Page 1
Electronique pour le Traitement de l’Information
Travaux Dirigés - 1A - S5 / Systèmes
J. VILLEMEJANEAnnée universitaire 2017-2018
TD Sys1 - Diodes / LEDs 1
TD Sys2 - Photodétection 10
TD Sys3 - Filtrage actif 17
TD Sys4 - Capteurs 23
TD Sys5 - Projets EITI / 2016-2017 32
1
Page 2
1A - S5 - ETI TD Sys1
Diodes / LEDs
FICHES A LIRE— Diode / LED / Photodiode
Préparation1. Tracer la caractéristique du courant traversant une diode en fonction de la différence de potentiel à
ses bornes.
2. Chercher dans les documentations techniques (données en annexe) les points importants de cettecaractéristique ainsi que les valeurs critiques pour :
(a) une diode de signal 1N4148
(b) une diode de redressement 1N4002
(c) une diode Zener 5.1 V - BZX55C5V1
(d) une LED rouge / bleue - WURTH ELECTRONICS
Avez-vous compris ?1. On considère des diodes parfaites et idéales (figure 2a).
(a) Que doivent valoir R1 et R2 pour obtenir la caractéristique tracée dans le graphe I(V) pour l’en-semble dessiné en dessous ?
(b) Que devient cette caractéristique avec des diodes de seuil de 0,7 V , idéale par ailleurs ?
(c) Idem avec des diodes de résistance interne de 50 Ω.
2. On considère à présent le schéma et la caractéristique de la figure 2b. Les diodes ont pour seuil0,6 V. Que doivent valoir R1, R2 et R3 et le nombre de diodes N (N = 2 a été dessiné, mais à vous detrouver N) pour qu’on obtienne la caractéristique tracée dans le graphe I(V) ?
1
Page 3
IOGS - Electronique pour le Traitement de l’Information Travaux Dirigés
Montage 1 - Pont à diodesExpliquer le fonctionnement des deux montages suivants. Vous pourrez, par exemple, tracer l’allure du
signal de sortie VS pour une tension d’entrée sinusoïdale Ve = A · sin(ω · t).
Montage 2 - Diode ZenerExpliquer le fonctionnement du montage suivant.
Montage 3 - Diodes en direct et en inverseExpliquer le fonctionnement du montage suivant. Vous pourrez expliquer ce qu’il se passe lorsqu’on
applique en entrée le signal donné ci-dessous.
– 2 –
Page 4
IOGS - Electronique pour le Traitement de l’Information Travaux Dirigés
Exercice - Stabilisateur de tensionUne diode usuelle est caractérisée par avec une tension
de seuil Vd = 0, 6 V et une résistance r = 15Ω.Elle est utilisée dans le montage de la figure ci-contre.
1. La valeur moyenne de la tension d’entrée est de E = 4, 5 V. On vise un courant I′ de 30 mA. Quelledoit être la valeur de la résistance R ? Que vaut alors V ′ ?
2. Quelle variation maximale de la tension d’entrée ∆E peut-on autoriser pour que V ′ ne varie pasde plus de 1% ? Que vaut alors ∆E/E ? Justifier le nom de "stabilisateur de tension" de ce type demontage. Illustrer le fonctionnement du circuit à l’aide de la droite de charge de la diode.
3. Quelle est la puissance dissipée dans chaque élément ? Et au total ?
Les diodes ont été montées sur des circuits dont la technologie ne permet qu’une mauvaise évacua-tion thermique : il faut limiter la dissipation thermique à seulement 20 mW dans une diode (pas deproblème côté résistance, en revanche).
4. Quel montage proposez-vous pour absorber néanmoins les 30 mA prévus ? Fournit-il la même ten-sion que précédemment ?
5. Quel courant I′′ peut-on dériver de la source "stabilisée" en tolérant, pour V ′, une variation de -15 mV ? (dans le montage initial et dans celui qui vous avez proposé à la question 4)
– 3 –
Page 5
1N41
48w
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Vis
hay
Sem
icon
duc
tors
Rev
. 1.3
, 04-
Dec
-13
1D
ocum
ent
Num
ber
: 818
57
For
tech
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l que
stio
ns w
ithin
you
r re
gion
: Dio
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48w
ww
.vis
hay.
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Vis
hay
Sem
icon
duc
tors
Rev
. 1.3
, 04-
Dec
-13
2D
ocum
ent
Num
ber
: 818
57
For
tech
nica
l que
stio
ns w
ithin
you
r re
gion
: Dio
des
Am
eric
as@
vish
ay.c
om, D
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sia@
vish
ay.c
om, D
iod
esE
urop
e@vi
shay
.com
THIS
DO
CU
ME
NT
IS S
UB
JEC
T TO
CH
AN
GE
WIT
HO
UT
NO
TIC
E. T
HE
PR
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TS D
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© S
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Page 7
BZ
X55
-Ser
ies
ww
w.v
isha
y.co
mV
isha
y S
emic
ond
ucto
rs
Rev
. 1.7
, 06-
May
-13
1D
ocum
ent
Num
ber
: 856
04
For
tech
nica
l que
stio
ns w
ithin
you
r re
gion
: Dio
des
Am
eric
as@
vish
ay.c
om, D
iod
esA
sia@
vish
ay.c
om, D
iod
esE
urop
e@vi
shay
.com
THIS
DO
CU
ME
NT
IS S
UB
JEC
T TO
CH
AN
GE
WIT
HO
UT
NO
TIC
E. T
HE
PR
OD
UC
TS D
ES
CR
IBE
D H
ER
EIN
AN
D T
HIS
DO
CU
ME
NT
AR
E S
UB
JEC
T TO
SP
EC
IFIC
DIS
CLA
IME
RS
, SE
T FO
RTH
AT
ww
w.v
isha
y.co
m/d
oc?9
1000
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all S
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.vis
hay.
com
/doc
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12
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Page 8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
REV
2015-0
3-2
3
2014-0
3-1
3
2013-1
2-0
9
2013-1
0-0
8
2013-0
9-1
0
2013-0
4-1
0
2012-1
2-1
0
DA
TE
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SSt
SSt
SSt
SSt
SSt
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Wür
th E
lekt
roni
k ei
Sos
Gm
bH &
Co.
KG
EMC
& In
duct
ive
Sol
utio
ns
Max
-Eyt
h-Str
. 1
74638 W
alde
nbur
g
Ger
man
y
Tel.
+49 (0) 79 4
2 9
45 -
0
ww
w.w
e-on
line.
com
eiSos
@w
e-on
line.
com
DES
CR
IPTI
ON
WL-S
MC
W S
MD
ch
ip L
ED
to
p v
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mo
no-
co
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wa
terc
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00
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75
00
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A4
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and
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or u
sage
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ener
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c eq
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only
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rodu
ct is
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horize
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r us
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equ
ipm
ent
whe
re a
hig
her
safe
ty s
tand
ard
and
relia
bilit
y st
anda
rd is
esp
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lly r
equi
red
or w
here
a f
ailu
re o
f th
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t is
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sona
bly
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cted
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sona
l inj
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less
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ties
have
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ifica
lly g
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h us
e.
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eove
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Ele
ktro
nik
eiSos
Gm
bH &
Co
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duct
s ar
e ne
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t be
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tent
of
such
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ge b
efor
e
the
desi
gn-i
n st
age.
In a
dditi
on, su
ffic
ient
rel
iabi
lity
eval
uatio
n ch
ecks
for
saf
ety
mus
t be
per
form
ed o
n ev
ery
elec
tron
ic c
ompo
nent
whi
ch is
use
d in
ele
ctrica
l circu
its t
hat
requ
ire
high
saf
ety
and
relia
bilit
y fu
nctio
nsor
per
form
ance
.
2.7
2.6
2.5
2.4
2.3
2.2
2.1
REV
2015-0
3-2
3
2014-0
3-1
3
2013-1
2-0
9
2013-1
0-0
8
2013-0
9-1
0
2013-0
4-1
0
2012-1
2-1
0
DA
TE
SSt
SSt
SSt
SSt
SSt
SSt
SSt
BY
HO
e
SSt
HO
e
HO
e
SSt
SSt
SSt
CH
ECKED
Wür
th E
lekt
roni
k ei
Sos
Gm
bH &
Co.
KG
EMC
& In
duct
ive
Sol
utio
ns
Max
-Eyt
h-Str
. 1
74638 W
alde
nbur
g
Ger
man
y
Tel.
+49 (0) 79 4
2 9
45 -
0
ww
w.w
e-on
line.
com
eiSos
@w
e-on
line.
com
DES
CR
IPTI
ON
WL-S
MC
W S
MD
ch
ip L
ED
to
p v
iew
mo
no-
co
lor
wa
terc
lea
r
Ord
er.-
No.
15
00
60
RS
75
00
0
SIZ
E
A4
Siz
e: 0
60
3
D E
lectr
ica
l &
Op
tica
l P
rop
ert
ies:
Pro
pert
ies
Pea
k W
ave
len
gth
Do
min
an
t w
ave
len
gth
Lu
min
ou
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ten
sity
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rwa
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nd
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elop
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or u
sage
in g
ener
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lect
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c eq
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ent
only
. Th
is p
rodu
ct is
not
aut
horize
d fo
r us
e in
equ
ipm
ent
whe
re a
hig
her
safe
ty s
tand
ard
and
relia
bilit
y st
anda
rd is
esp
ecia
lly r
equi
red
or w
here
a f
ailu
re o
f th
e pr
oduc
t is
rea
sona
bly
expe
cted
to
caus
e se
vere
per
sona
l inj
ury
or d
eath
, un
less
the
par
ties
have
exe
cute
d an
agr
eem
ent
spec
ifica
lly g
over
ning
suc
h us
e.
Mor
eove
r W
ürth
Ele
ktro
nik
eiSos
Gm
bH &
Co
KG
pro
duct
s ar
e ne
ither
des
igne
d no
r in
tend
ed f
or u
se in
are
as s
uch
as m
ilita
ry, ae
rosp
ace,
avi
atio
n, n
ucle
ar c
ontr
ol, su
bmar
ine,
tra
nspo
rtat
ion
(aut
omot
ive
cont
rol,
trai
n co
ntro
l, sh
ip c
ontr
ol), t
rans
port
atio
n si
gnal
, di
sast
er p
reve
ntio
n, m
edic
al, pu
blic
info
rmat
ion
netw
ork
etc.
. W
ürth
Ele
ktro
nik
eiSos
Gm
bH &
Co
KG
mus
t be
info
rmed
abo
ut t
he in
tent
of
such
usa
ge b
efor
e
the
desi
gn-i
n st
age.
In a
dditi
on, su
ffic
ient
rel
iabi
lity
eval
uatio
n ch
ecks
for
saf
ety
mus
t be
per
form
ed o
n ev
ery
elec
tron
ic c
ompo
nent
whi
ch is
use
d in
ele
ctrica
l circu
its t
hat
requ
ire
high
saf
ety
and
relia
bilit
y fu
nctio
nsor
per
form
ance
.
Page 9
2.3
2.2
2.1
2.0
1.0
REV
2013-0
9-1
0
2013-0
4-1
0
2012-1
2-1
0
2012-1
1-0
5
2011-0
9-0
1
DA
TE
SSt
SSt
SSt
SSt
SSt
BY
SSt
SSt
SSt
HO
e
PLD
CH
ECKED
Wür
th E
lekt
roni
k ei
Sos
Gm
bH &
Co.
KG
EMC
& In
duct
ive
Sol
utio
ns
Max
-Eyt
h-Str
. 1
74638 W
alde
nbur
g
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y
Tel.
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IPTI
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iew
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A4
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80
5
A D
imen
sio
ns:
[m
m]
Op
tica
l P
rop
ert
ies:
Pro
pert
ies
Ch
ip T
ech
no
log
y
Em
itti
ng
Co
lor
Len
s T
ype
Va
lue
InG
aN
Blu
e
Chi
p LE
D
B R
eco
mm
en
ded
la
nd
pa
ttern
: [m
m]
C S
ch
em
ati
c:
D A
bso
lute
Ma
xim
um
Ra
tin
gs
(Am
bie
nt
Tem
pera
ture
25
°C):
Pro
pert
ies
Po
wer
dis
sip
ati
on
Pea
k F
orw
ard
Cu
rren
t
Co
nti
nu
ou
s Fo
rwa
rd C
urr
en
t
Reve
rse V
olt
ag
e
ES
D T
hre
sho
ld/
Hu
ma
n B
od
y M
od
ell
Test
co
nd
itio
ns
duty
/10
@1
kHz
PD
iss
I F P
eak
I F
VR
ev
VES
D H
BM
Va
lue
10
5
10
0
30 5
10
00
Un
it
mW
mA
mA V V
E G
en
era
l in
form
ati
on
:•
Ope
ratin
g te
mpe
ratu
re:
-40
°C t
o +
85
°C
•S
tora
ge t
empe
ratu
re (se
aled
bag
): -
40
°C t
o +
85
°C;
60
% R
H m
ax.
This
ele
ctro
nic
com
pone
nt h
as b
een
desi
gned
and
dev
elop
ed f
or u
sage
in g
ener
al e
lect
roni
c eq
uipm
ent
only
. Th
is p
rodu
ct is
not
aut
horize
d fo
r us
e in
equ
ipm
ent
whe
re a
hig
her
safe
ty s
tand
ard
and
relia
bilit
y st
anda
rd is
esp
ecia
lly r
equi
red
or w
here
a f
ailu
re o
f th
e pr
oduc
t is
rea
sona
bly
expe
cted
to
caus
e se
vere
per
sona
l inj
ury
or d
eath
, un
less
the
par
ties
have
exe
cute
d an
agr
eem
ent
spec
ifica
lly g
over
ning
suc
h us
e.
Mor
eove
r W
ürth
Ele
ktro
nik
eiSos
Gm
bH &
Co
KG
pro
duct
s ar
e ne
ither
des
igne
d no
r in
tend
ed f
or u
se in
are
as s
uch
as m
ilita
ry, ae
rosp
ace,
avi
atio
n, n
ucle
ar c
ontr
ol, su
bmar
ine,
tra
nspo
rtat
ion
(aut
omot
ive
cont
rol,
trai
n co
ntro
l, sh
ip c
ontr
ol), t
rans
port
atio
n si
gnal
, di
sast
er p
reve
ntio
n, m
edic
al, pu
blic
info
rmat
ion
netw
ork
etc.
. W
ürth
Ele
ktro
nik
eiSos
Gm
bH &
Co
KG
mus
t be
info
rmed
abo
ut t
he in
tent
of
such
usa
ge b
efor
e
the
desi
gn-i
n st
age.
In a
dditi
on, su
ffic
ient
rel
iabi
lity
eval
uatio
n ch
ecks
for
saf
ety
mus
t be
per
form
ed o
n ev
ery
elec
tron
ic c
ompo
nent
whi
ch is
use
d in
ele
ctrica
l circu
its t
hat
requ
ire
high
saf
ety
and
relia
bilit
y fu
nctio
nsor
per
form
ance
.
2.3
2.2
2.1
2.0
1.0
REV
2013-0
9-1
0
2013-0
4-1
0
2012-1
2-1
0
2012-1
1-0
5
2011-0
9-0
1
DA
TE
SSt
SSt
SSt
SSt
SSt
BY
SSt
SSt
SSt
HO
e
PLD
CH
ECKED
Wür
th E
lekt
roni
k ei
Sos
Gm
bH &
Co.
KG
EMC
& In
duct
ive
Sol
utio
ns
Max
-Eyt
h-Str
. 1
74638 W
alde
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man
y
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IPTI
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iew
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lor
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E
A4
Siz
e: 0
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5
D E
lectr
ica
l &
Op
tica
l P
rop
ert
ies:
Pro
pert
ies
Pea
k W
ave
len
gth
Do
min
an
t w
ave
len
gth
Lu
min
ou
sIn
ten
sity
Fo
rwa
rd v
olt
ag
e
Sp
ectr
al
Ba
nd
wid
th
Reve
rse C
urr
en
t
Vie
win
g a
ng
le
Test
co
nd
itio
ns
20
mA
20
mA
20
mA
20
mA
20
mA
5 V
20
mA
λ Pea
k
λ Dom I V VF
Δλ
I Rev
2θ 5
0%
Va
lue
min
.
90
typ
.
46
5
47
0
14
5
3.2 25
14
0
ma
x.
3.5 10
Un
it
nm nm mcd V nm μA °
This
ele
ctro
nic
com
pone
nt h
as b
een
desi
gned
and
dev
elop
ed f
or u
sage
in g
ener
al e
lect
roni
c eq
uipm
ent
only
. Th
is p
rodu
ct is
not
aut
horize
d fo
r us
e in
equ
ipm
ent
whe
re a
hig
her
safe
ty s
tand
ard
and
relia
bilit
y st
anda
rd is
esp
ecia
lly r
equi
red
or w
here
a f
ailu
re o
f th
e pr
oduc
t is
rea
sona
bly
expe
cted
to
caus
e se
vere
per
sona
l inj
ury
or d
eath
, un
less
the
par
ties
have
exe
cute
d an
agr
eem
ent
spec
ifica
lly g
over
ning
suc
h us
e.
Mor
eove
r W
ürth
Ele
ktro
nik
eiSos
Gm
bH &
Co
KG
pro
duct
s ar
e ne
ither
des
igne
d no
r in
tend
ed f
or u
se in
are
as s
uch
as m
ilita
ry, ae
rosp
ace,
avi
atio
n, n
ucle
ar c
ontr
ol, su
bmar
ine,
tra
nspo
rtat
ion
(aut
omot
ive
cont
rol,
trai
n co
ntro
l, sh
ip c
ontr
ol), t
rans
port
atio
n si
gnal
, di
sast
er p
reve
ntio
n, m
edic
al, pu
blic
info
rmat
ion
netw
ork
etc.
. W
ürth
Ele
ktro
nik
eiSos
Gm
bH &
Co
KG
mus
t be
info
rmed
abo
ut t
he in
tent
of
such
usa
ge b
efor
e
the
desi
gn-i
n st
age.
In a
dditi
on, su
ffic
ient
rel
iabi
lity
eval
uatio
n ch
ecks
for
saf
ety
mus
t be
per
form
ed o
n ev
ery
elec
tron
ic c
ompo
nent
whi
ch is
use
d in
ele
ctrica
l circu
its t
hat
requ
ire
high
saf
ety
and
relia
bilit
y fu
nctio
nsor
per
form
ance
.
Page 10
2.3
2.2
2.1
2.0
1.0
REV
2013-0
9-1
0
2013-0
4-1
0
2012-1
2-1
0
2012-1
1-0
5
2011-0
9-0
1
DA
TE
SSt
SSt
SSt
SSt
SSt
BY
SSt
SSt
SSt
HO
e
PLD
CH
ECKED
Wür
th E
lekt
roni
k ei
Sos
Gm
bH &
Co.
KG
EMC
& In
duct
ive
Sol
utio
ns
Max
-Eyt
h-Str
. 1
74638 W
alde
nbur
g
Ger
man
y
Tel.
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e-on
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eiSos
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e-on
line.
com
DES
CR
IPTI
ON
WL-S
MC
W S
MD
ch
ip L
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to
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no-
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er.-
No.
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E
A4
Siz
e: 0
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5
F V
iew
ing
An
gle
:F S
pectr
al:
This
ele
ctro
nic
com
pone
nt h
as b
een
desi
gned
and
dev
elop
ed f
or u
sage
in g
ener
al e
lect
roni
c eq
uipm
ent
only
. Th
is p
rodu
ct is
not
aut
horize
d fo
r us
e in
equ
ipm
ent
whe
re a
hig
her
safe
ty s
tand
ard
and
relia
bilit
y st
anda
rd is
esp
ecia
lly r
equi
red
or w
here
a f
ailu
re o
f th
e pr
oduc
t is
rea
sona
bly
expe
cted
to
caus
e se
vere
per
sona
l inj
ury
or d
eath
, un
less
the
par
ties
have
exe
cute
d an
agr
eem
ent
spec
ifica
lly g
over
ning
suc
h us
e.
Mor
eove
r W
ürth
Ele
ktro
nik
eiSos
Gm
bH &
Co
KG
pro
duct
s ar
e ne
ither
des
igne
d no
r in
tend
ed f
or u
se in
are
as s
uch
as m
ilita
ry, ae
rosp
ace,
avi
atio
n, n
ucle
ar c
ontr
ol, su
bmar
ine,
tra
nspo
rtat
ion
(aut
omot
ive
cont
rol,
trai
n co
ntro
l, sh
ip c
ontr
ol), t
rans
port
atio
n si
gnal
, di
sast
er p
reve
ntio
n, m
edic
al, pu
blic
info
rmat
ion
netw
ork
etc.
. W
ürth
Ele
ktro
nik
eiSos
Gm
bH &
Co
KG
mus
t be
info
rmed
abo
ut t
he in
tent
of
such
usa
ge b
efor
e
the
desi
gn-i
n st
age.
In a
dditi
on, su
ffic
ient
rel
iabi
lity
eval
uatio
n ch
ecks
for
saf
ety
mus
t be
per
form
ed o
n ev
ery
elec
tron
ic c
ompo
nent
whi
ch is
use
d in
ele
ctrica
l circu
its t
hat
requ
ire
high
saf
ety
and
relia
bilit
y fu
nctio
nsor
per
form
ance
.
2.3
2.2
2.1
2.0
1.0
REV
2013-0
9-1
0
2013-0
4-1
0
2012-1
2-1
0
2012-1
1-0
5
2011-0
9-0
1
DA
TE
SSt
SSt
SSt
SSt
SSt
BY
SSt
SSt
SSt
HO
e
PLD
CH
ECKED
Wür
th E
lekt
roni
k ei
Sos
Gm
bH &
Co.
KG
EMC
& In
duct
ive
Sol
utio
ns
Max
-Eyt
h-Str
. 1
74638 W
alde
nbur
g
Ger
man
y
Tel.
+49 (0) 79 4
2 9
45 -
0
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w.w
e-on
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com
eiSos
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e-on
line.
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DES
CR
IPTI
ON
WL-S
MC
W S
MD
ch
ip L
ED
to
p v
iew
mo
no-
co
lor
wa
terc
lea
r
Ord
er.-
No.
15
00
80
BS
75
00
0
SIZ
E
A4
Siz
e: 0
80
5
F F
orw
ard
Cu
rren
t vs
. Fo
rwa
rd V
olt
ag
e:
F L
um
ino
us
Inte
nsi
ty v
s. F
orw
ard
Cu
rren
t:
This
ele
ctro
nic
com
pone
nt h
as b
een
desi
gned
and
dev
elop
ed f
or u
sage
in g
ener
al e
lect
roni
c eq
uipm
ent
only
. Th
is p
rodu
ct is
not
aut
horize
d fo
r us
e in
equ
ipm
ent
whe
re a
hig
her
safe
ty s
tand
ard
and
relia
bilit
y st
anda
rd is
esp
ecia
lly r
equi
red
or w
here
a f
ailu
re o
f th
e pr
oduc
t is
rea
sona
bly
expe
cted
to
caus
e se
vere
per
sona
l inj
ury
or d
eath
, un
less
the
par
ties
have
exe
cute
d an
agr
eem
ent
spec
ifica
lly g
over
ning
suc
h us
e.
Mor
eove
r W
ürth
Ele
ktro
nik
eiSos
Gm
bH &
Co
KG
pro
duct
s ar
e ne
ither
des
igne
d no
r in
tend
ed f
or u
se in
are
as s
uch
as m
ilita
ry, ae
rosp
ace,
avi
atio
n, n
ucle
ar c
ontr
ol, su
bmar
ine,
tra
nspo
rtat
ion
(aut
omot
ive
cont
rol,
trai
n co
ntro
l, sh
ip c
ontr
ol), t
rans
port
atio
n si
gnal
, di
sast
er p
reve
ntio
n, m
edic
al, pu
blic
info
rmat
ion
netw
ork
etc.
. W
ürth
Ele
ktro
nik
eiSos
Gm
bH &
Co
KG
mus
t be
info
rmed
abo
ut t
he in
tent
of
such
usa
ge b
efor
e
the
desi
gn-i
n st
age.
In a
dditi
on, su
ffic
ient
rel
iabi
lity
eval
uatio
n ch
ecks
for
saf
ety
mus
t be
per
form
ed o
n ev
ery
elec
tron
ic c
ompo
nent
whi
ch is
use
d in
ele
ctrica
l circu
its t
hat
requ
ire
high
saf
ety
and
relia
bilit
y fu
nctio
nsor
per
form
ance
.
Page 11
1A - S5 - ETI TD Sys2
Photodétection
FICHES A LIRE— Diode / LED / Photodiode— Capteurs— Amplificateur Lineaire Integre / Principe et montages de base
Montage 1 - PhotodiodeLa photodiode utilisée est de type SFH206 (voir documentation en annexe).
Montage 2 - Phototransistor / CNY70Le composant utilisé est de type CNY70 (voir documentation en annexe).
10
Page 12
IOGS - Electronique pour le Traitement de l’Information Travaux Dirigés
Montage 3 - PhotorésistanceOn souhaite réaliser un détecteur qui allume une LED lorsque la luminosité ambiante diminue. On
propose pour cela le montage suivant qui utilise une cellule photoconductrice CdS. On donne : Vcc = 12 Vet R2 = 100 kΩ.
Le composant qui détecte la luminosité est de type CDS - 8 kΩ pour 10 Lux (voir caractéristique ci-dessous).
Exercice - Transimpédance /Modèle completDans la suite, on choisit R f = 10 MΩ et on place une capacité C f dans la boucle de rétroaction de l’AO.
On modélise les défauts de la diode par une résistance RD = 100 MΩ et une capacité CD = 100 pF commeindiqué sur le schéma suivant.
Afin de modéliser correctement le comportement en fréquence de ce montage, il est nécessaire deprendre en compte le bruit interne de l’AO, que l’on modélisera par une source de tension équivalenteen entre les entrées + et -.
→
Par ailleurs, on pourra transformer le générateur de Norton formé par la diode et RD en générateur deThévenin (on appellera Ve la source de tension).
1. Exprimer Ve en fonction des éléments du montage.
2. Exprimer Vs en fonction de Ve et de en. En déduire :
(a) la fonction de transfert sans bruit du montage : Vs/Ve (en =0)
– 11 –
Page 13
IOGS - Electronique pour le Traitement de l’Information Travaux Dirigés
(b) la réponse au bruit du montage Vs/en (pour Ve=0).
3. On considère que l’AO possède un produit gain x bande passante de 1MHz. Tracer sur un mêmegraphique le diagramme de Bode asymptotique de l’AO seul, la fonction de transfert sans bruit et laréponse au bruit du montage dans les deux cas suivant : C f = 0 et C f = 10 pF.
4. Conclure sur l’utilité de la capacité C f .
– 12 –
Page 14
2014
-01-
101
2014
-01-
10
Silic
on P
IN P
hoto
diod
eSi
liziu
m-P
IN-F
otod
iode
Vers
ion
1.1
SFH
206
K
Ord
erin
g In
form
atio
nBe
stel
linfo
rmat
ion
Feat
ures
: B
eson
dere
Mer
kmal
e:
Es
peci
ally
suita
ble
for a
pplic
atio
ns fr
om 4
00 n
m to
11
00 n
m
Spez
iell g
eeig
net f
ür A
nwen
dung
en im
Ber
eich
von
400
nm b
is 11
00 n
m
Shor
t swi
tchi
ng ti
me
(typ.
20
ns)
Ku
rze
Scha
ltzei
t (ty
p. 2
0 ns
)
5 m
m L
ED p
last
ic p
acka
ge
5-m
m-P
last
ikba
ufor
m im
LED
-Geh
äuse
Al
so a
vaila
ble
on ta
pe a
nd re
el
Auch
geg
urte
t lie
ferb
ar
Appl
icat
ions
Anw
endu
ngen
Ph
otoi
nter
rupt
ers
Li
chts
chra
nken
In
dust
rial e
lect
roni
cs
Indu
strie
elek
troni
k
For c
ontro
l and
driv
e cir
cuits
M
esse
n / S
teue
rn /
Reg
eln
C
ompu
ter-c
ontro
lled
flash
es
Com
pute
r-Blitz
licht
gerä
te
Type
:O
rder
ing
Cod
eTy
p:B
este
llnum
mer
SFH
206
KQ
6270
2P01
29
2014
-01-
102
Vers
ion
1.1
SFH
206
K
Max
imum
Rat
ings
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Page 15
Vers
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1.1
SFH
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2014
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2014
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104
Vers
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1.1
SFH
206
K
Rel
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Page 16
CN
Y70
ww
w.v
isha
y.co
mV
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y S
emic
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ucto
rs
Rev
. 1.8
, 30-
Jul-
121
Doc
umen
t N
umb
er: 8
3751
For
tech
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ns, c
onta
ct: s
enso
rste
chsu
pp
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vish
ay.c
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IS D
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BJE
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isha
y S
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rs
Rev
. 1.8
, 30-
Jul-
122
Doc
umen
t N
umb
er: 8
3751
For
tech
nica
l que
stio
ns, c
onta
ct: s
enso
rste
chsu
pp
ort@
vish
ay.c
omTH
IS D
OC
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T IS
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CIF
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T w
ww
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hay.
com
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?910
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AB
SO
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1 -
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Page 17
CN
Y70
ww
w.v
isha
y.co
mV
isha
y S
emic
ond
ucto
rs
Rev
. 1.8
, 30-
Jul-
123
Doc
umen
t N
umb
er: 8
3751
For
tech
nica
l que
stio
ns, c
onta
ct: s
enso
rste
chsu
pp
ort@
vish
ay.c
omTH
IS D
OC
UM
EN
T IS
SU
BJE
CT
TO C
HA
NG
E W
ITH
OU
T N
OTI
CE
. TH
E P
RO
DU
CTS
DE
SC
RIB
ED
HE
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IN A
ND
TH
IS D
OC
UM
EN
TA
RE
SU
BJE
CT
TO S
PE
CIF
IC D
ISC
LAIM
ER
S, S
ET
FOR
TH A
T w
ww
.vis
hay.
com
/doc
?910
00
Fig.
2 -
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CH
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T am
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25
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100
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CN
Y70
ww
w.v
isha
y.co
mV
isha
y S
emic
ond
ucto
rs
Rev
. 1.8
, 30-
Jul-
124
Doc
umen
t N
umb
er: 8
3751
For
tech
nica
l que
stio
ns, c
onta
ct: s
enso
rste
chsu
pp
ort@
vish
ay.c
omTH
IS D
OC
UM
EN
T IS
SU
BJE
CT
TO C
HA
NG
E W
ITH
OU
T N
OTI
CE
. TH
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RO
DU
CTS
DE
SC
RIB
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TH
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OC
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TA
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BJE
CT
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CIF
IC D
ISC
LAIM
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S, S
ET
FOR
TH A
T w
ww
.vis
hay.
com
/doc
?910
00
Fig
. 7 -
Cur
rent
Tra
nsfe
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vs.
For
war
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. 8 -
Cur
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Tra
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vs.
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. 9 -
Col
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t
Fig
. 11
- R
elat
ive
Col
lect
or C
urre
nt v
s. D
isp
lace
men
t
0.1 1 10
100 0.
1
I F -
For
war
d C
urre
nt (
mA
)96
119
14
CTR - Current Transfer Ratio (%)
Kod
ak n
eutr
al c
ard
(whi
te s
ide)
d
= 0
.3 m
mV
CE
=5
V
100
10
1
0.1 1 10
V C
E -
Col
lect
or E
mitt
er V
olta
ge (
V)
96 1
2001
CTR - Current Transfer Ratio (%)
20 m
A
10 m
A
5 m
A
2 m
A
1 m
A
I F=
50
mA
Kod
ak n
eutr
al c
ard
(whi
te s
ide)
d
=0.
3 m
m
0.1
110
10
0
0 0.
001
0.1 1 10
I - Collector Current (mA) C
d -
Dis
tanc
e (m
m)
95 1
1069
V C
E =
5 V
I F =
20
mA
d
10
86
42
I - Relative Radiant Intensity erel 95 1
1063
0.6
0.9
0.8
0°
30°
10°
20°
40°
50°
60°
70°
80°
0.7
1.0
I - Relative Collector Current crel
0.6
0.4
0.2
0 0.
2 0.
4
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
s -
Dis
plac
emen
t (m
m)
96 1
1915
V C
E=
5 V
I F =
20
mA
I - Relative Collector Current Crel
d =
5 m
m4
mm
3
mm
2
mm
1
mm
0
ED
D
E
1.5
d
s 0 5
mm
10 m
m
s 0 5
mm
10 m
m 11
109
87
65
43
21
Page 18
1A - S5 - ETI TD Sys3
Filtrage actifFICHES A LIRE
— Amplificateur Lineaire Integre / Principe et montages de base— Regime Harmonique— Filtrage / Analyse harmonique / Ordre 1— Filtrage actif / Analyse harmonique / Ordre 2
Montage 1 - Cellule de RauchSoit la structure suivante. Décrire son fonctionnement et ses principales caractéristiques.
1. Que se passe-t-il si on remplace les impédances Z2 et Z5 par des condensateurs de valeur respectiveC2 et C5 et les impédances Z1, Z3 et Z4 par des résistances de valeur R ?
2. Que se passe-t-il si on remplace les impédances Z2 et Z5 par des résistances de valeur respective R2
et R5 et les impédances Z1, Z3 et Z4 par des condensateurs de valeur C ?
Montage 2 - Filtre universel UAF42Soit la structure suivante, basée sur un filtre universel UAF42 (void documentation technique en annexe).
Décrire son fonctionnement et ses principales caractéristiques.
17
Page 19
IOGS - Electronique pour le Traitement de l’Information Travaux Dirigés
Montage 3 - Filtre à capacité commutée /MAX296Soit la structure de base suivante. Expliquer son fonctionnement (en vous basant sur les charges accu-
mulées).
On insère à présent cette structure de base dans le montage suivant. Donner le fonction de transfert dece bloc.
Expliquer alors le fonctionnement du composant MAX296 (voir documentation technique en annexe).
– 18 –
Page 20
UA
F42
UA
F42
Hig
h-P
ass
Out
R
R
R
1000pF
(1)
In2
In3
In1
R
1000pF
(1)
Band-P
ass
Out
Low
-Pass
Out
GN
D
V+
V
R=
50k
0.5
%
UAF4
2
ww
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EVIS
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UNIVE
RSAL
ACTIV
EFILT
ERC
heck
forS
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es:U
AF4
2
1 FEA
TUR
ESD
ESC
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N2 •
VER
SATI
LE:
The
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aun
iver
sal
activ
efil
ter
that
can
beco
nfig
ured
for
aw
ide
rang
eof
low
-pas
s,hi
gh-p
ass,
–Lo
w-P
ass,
Hig
h-Pa
ssan
dba
nd-p
ass
filte
rs.I
tuse
sa
clas
sic
stat
e-va
riabl
e–
Ban
d-Pa
ss,B
and-
Rej
ect
anal
ogar
chite
ctur
ew
ithan
inve
rting
ampl
ifier
and
two
•SI
MPL
ED
ESIG
NPR
OC
EDU
RE
inte
grat
ors.
The
inte
grat
ors
incl
ude
on-c
hip
1000
pF•
AC
CU
RA
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EQU
ENC
YA
ND
Q:
capa
cito
rstri
mm
edto
0.5%
.Thi
sar
chite
ctur
eso
lves
one
ofth
em
ost
diffi
cult
prob
lem
sof
activ
efil
ter
–In
clud
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n-C
hip
1000
pF±0
.5%
Cap
acito
rsde
sign
—ob
tain
ing
tight
tole
ranc
e,lo
w-lo
ssca
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tors
.A
PPLI
CA
TIO
NS
AD
OS-
com
patib
lefil
ter
desi
gnpr
ogra
mal
low
sea
syim
plem
enta
tion
ofm
any
filte
rty
pes,
such
as•
TEST
EQU
IPM
ENT
Butte
rwor
th,
Bess
el,
and
Che
bysh
ev.
Afo
urth
,•
CO
MM
UN
ICA
TIO
NS
EQU
IPM
ENT
unco
mm
itted
FET-
inpu
top
amp
(iden
tical
toth
eot
her
•M
EDIC
AL
INST
RU
MEN
TATI
ON
thre
e)ca
nbe
used
tofo
rmad
ditio
nals
tage
s,or
for
•D
ATA
AC
QU
ISIT
ION
SYST
EMS
spec
ial
filte
rssu
chas
band
-reje
ctan
dIn
vers
eC
heby
shev
.•
MO
NO
LITH
ICR
EPLA
CEM
ENT
FOR
UA
F41
The
clas
sica
lto
polo
gyof
the
UAF
42fo
rms
atim
e-co
ntin
uous
filte
r,fre
efro
mth
ean
omal
ies
and
switc
hing
nois
eas
soci
ated
with
switc
hed-
capa
cito
rfil
tert
ypes
.Th
eU
AF42
isav
aila
ble
in14
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plas
ticD
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dSO
IC-1
6su
rface
-mou
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ckag
es,
spec
ified
for
the
–25°
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+85°
Cte
mpe
ratu
rera
nge.
blan
kbl
ank
blan
kbl
ank
NO
TE:(
1)±0
.5%
.
1
Plea
sebe
awar
eth
atan
impo
rtant
notic
eco
ncer
ning
avai
labi
lity,
stan
dard
war
rant
y,an
dus
ein
criti
cala
pplic
atio
nsof
Texa
sIn
stru
men
tsse
mic
ondu
ctor
prod
ucts
and
disc
laim
ers
ther
eto
appe
ars
atth
een
dof
this
data
shee
t.2A
lltra
dem
arks
are
the
prop
erty
ofth
eirr
espe
ctiv
eow
ners
.PR
OD
UC
TIO
ND
ATA
info
rmat
ion
iscu
rrent
asof
publ
icat
ion
date
.C
opyr
ight
©19
92–2
010,
Texa
sIn
stru
men
tsIn
corp
orat
edPr
oduc
tsco
nfor
mto
spec
ifica
tions
per
the
term
sof
the
Texa
sIn
stru
men
tsst
anda
rdw
arra
nty.
Prod
uctio
npr
oces
sing
does
not
nece
ssar
ilyin
clud
ete
stin
gof
allp
aram
eter
s.
UAF4
2
ww
w.ti
.com
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–JU
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EVIS
EDO
CTO
BER
2010
ELEC
TRIC
AL
CH
AR
AC
TER
ISTI
CS
AtT A
=+2
5°C
,and
V S=
±15V
,unl
ess
othe
rwis
eno
ted.
UA
F42A
P,A
UPA
RA
MET
ERC
ON
DIT
ION
SM
INTY
PM
AX
UN
ITFI
LTER
PER
FOR
MA
NC
EFr
eque
ncy
Ran
ge,f
n0
to10
0kH
zFr
eque
ncy
Accu
racy
f=1k
Hz
1%
vsTe
mpe
ratu
re0.
01%
/°CM
axim
umQ
400
—M
axim
um(Q
•Fre
quen
cy)P
rodu
ct50
0kH
z
Qvs
Tem
pera
ture
0.01
%/°C
(f O•Q
)<10
4
0.02
5%
/°C(f O
•Q)<
105
QR
epea
tabi
lity
2%
(f O•Q
)<10
5
Offs
etVo
ltage
,Low
-Pas
sO
utpu
t±5
mV
Res
isto
rAcc
urac
y0.
51
%O
FFSE
TVO
LTA
GE
(1)
Inpu
tOffs
etVo
ltage
±0.5
±5m
Vvs
Tem
pera
ture
±3mV
/°Cvs
Pow
erSu
pply
V S=
±6V
to±1
8V80
96dB
INPU
TB
IAS
CU
RR
ENT(1
)
Inpu
tBia
sC
urre
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M=
0V10
50pA
Inpu
tOffs
etC
urre
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M=
0V5
pAN
OIS
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putV
olta
geN
oise
Noi
seD
ensi
ty:f
=10
Hz
25nV
/√H
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sity
:f=
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Hz
Volta
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:BW
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to10
Hz
2mV
PP
Inpu
tBia
sC
urre
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oise
Noi
seD
ensi
ty:f
=10
kHz
2fA
/√H
zIN
PUT
VOLT
AG
ER
AN
GE
(1)
Com
mon
-Mod
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putR
ange
±11.
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Com
mon
-Mod
eR
ejec
tion
V CM
=±1
0V80
96dB
INPU
TIM
PED
AN
CE
(1)
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tial
Ω||
pF10
13||
2
Com
mon
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OPE
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(1)
Ope
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Gai
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=±1
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L=2kΩ
9012
6dB
FREQ
UEN
CY
RES
PON
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ewR
ate
10V/ms
Gai
n-Ba
ndw
idth
Prod
uct
G=
+14
MH
zTo
talH
arm
onic
Dis
torti
onG
=+1
,f=
1kH
z0.
1%
OU
TPU
T(1)
Volta
geO
utpu
tR L
=2kΩ
±11
±11.
5V
Shor
tCirc
uitC
urre
nt±2
5m
A
(1)
Spec
ifica
tions
appl
yto
unco
mm
itted
opam
p,A 4
.The
thre
eop
amps
form
ing
the
filte
rare
iden
tical
toA 4
buta
rete
sted
asa
com
plet
efil
ter.
Cop
yrig
ht©
1992
–201
0,Te
xas
Inst
rum
ents
Inco
rpor
ated
Subm
itD
ocum
enta
tion
Feed
back
3
Prod
uctF
olde
rLin
k(s)
:UAF
42
Page 21
V(s
)O
V(s
)I
ALP
n
2
s+
s/Q
+n
n
22
=
V(s
)H
P
V(s
)I
AH
Ps
2
s+
s/Q
+n
n
22
=
V(s
)B
P
V(s
)I
AB
Pn
(/Q
)s
s+
s/Q
+n
n
22
=
V(s
)B
R
V(s
)I
AB
Rn
(s+
)2
2
s+
s/Q
+n
n
22
=
UAF4
2
ww
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SBFS
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EVIS
EDO
CTO
BER
2010
APP
LIC
ATI
ON
INFO
RM
ATI
ON
The
UAF
42is
am
onol
ithic
impl
emen
tatio
nof
the
The
basi
cbu
ildin
gel
emen
tof
the
mos
tpr
oven
stat
e-va
riabl
ean
alog
filte
rto
polo
gy.
This
com
mon
ly-u
sed
filte
rty
pes
isth
ese
cond
-ord
erde
vice
ispi
n-co
mpa
tible
with
the
popu
lar
UAF
41se
ctio
n.Th
isse
ctio
npr
ovid
esa
com
plex
-con
juga
tean
alog
filte
r,an
dit
prov
ides
seve
rali
mpr
ovem
ents
.pa
irof
pole
s.Th
ena
tura
lfre
quen
cy,w
n,an
dQ
ofth
epo
lepa
irde
term
ine
the
char
acte
ristic
resp
onse
ofth
eTh
esl
ewra
teof
the
UAF
42ha
sbe
enin
crea
sed
tose
ctio
n.Th
elo
w-p
ass
trans
fer
func
tion
issh
own
in10
V/ms
,ve
rsus
1.6V
/ms
for
the
UAF
41.
Equa
tion
1:Fr
eque
ncy
•Q
prod
uct
ofth
eU
AF42
has
been
impr
oved
,and
the
usef
ulna
tura
lfre
quen
cyex
tend
edby
afa
ctor
offo
urto
100k
Hz.
FET
inpu
top
amps
on(1
)th
eU
AF42
prov
ide
very
low
inpu
tbi
ascu
rrent
.Th
em
onol
ithic
cons
truct
ion
ofth
eU
AF42
prov
ides
low
erTh
ehi
gh-p
ass
trans
fer
func
tion
isgi
ven
byco
stan
dim
prov
edre
liabi
lity.
Equa
tion
2:
DES
IGN
PRO
GR
AM
(2)
Appl
icat
ion
repo
rtSB
FA00
2(a
vaila
ble
for
dow
nloa
dTh
eba
nd-p
ass
trans
fer
func
tion
isca
lcul
ated
usin
gat
ww
w.ti
.com
)and
aco
mpu
ter-a
ided
desi
gnpr
ogra
mEq
uatio
n3:
also
avai
labl
efro
mTe
xas
Inst
rum
ents
,mak
eit
easy
tode
sign
and
impl
emen
tman
yki
nds
ofac
tive
filte
rs.
The
DO
S-co
mpa
tible
prog
ram
guid
esyo
uth
roug
hth
e(3
)de
sign
proc
ess
and
auto
mat
ical
lyca
lcul
ates
com
pone
ntva
lues
.A
band
-reje
ctre
spon
seis
obta
ined
bysu
mm
ing
the
low
-pas
san
dhi
gh-p
ass
outp
uts,
yiel
ding
the
trans
fer
Low
-pas
s,hi
gh-p
ass,
band
-pas
san
dba
nd-re
ject
func
tion
show
nin
Equa
tion
4:(n
otch
)filt
ers
can
bede
sign
ed.T
hepr
ogra
msu
ppor
tsth
eth
ree
mos
tco
mm
only
-use
dal
l-pol
efil
ter
type
s:Bu
tterw
orth
,Che
bysh
evan
dBe
ssel
.The
less
-fam
iliar
(4)
inve
rse
Che
bysh
evis
also
supp
orte
d,pr
ovid
ing
asm
ooth
pass
band
resp
onse
with
rippl
ein
the
stop
The
mos
tcom
mon
filte
rtyp
esar
efo
rmed
with
one
orba
nd.
mor
eca
scad
edse
cond
-ord
erse
ctio
ns.E
ach
sect
ion
isde
sign
edfo
rw
nan
dQ
acco
rdin
gto
the
filte
rty
peW
ithea
chda
taen
try,
the
prog
ram
auto
mat
ical
ly(B
utte
rwor
th,
Bess
el,
Che
bysh
ev,
etc.
)an
dcu
toff
calc
ulat
esan
ddi
spla
ysfil
ter
perfo
rman
ce.
This
frequ
ency
.W
hile
tabu
late
dda
taca
nbe
foun
din
feat
ure
allo
ws
asp
read
shee
t-lik
ew
hat-i
fde
sign
virtu
ally
any
filte
rde
sign
text
,th
ede
sign
prog
ram
appr
oach
.For
exam
ple,
aus
erca
nqu
ickl
yde
term
ine,
elim
inat
esth
iste
diou
spr
oced
ure.
bytri
alan
der
ror,
how
man
ypo
les
are
requ
ired
fora
desi
red
atte
nuat
ion
inth
est
opba
nd.G
ain/
phas
epl
ots
Seco
nd-o
rder
sect
ions
may
beno
ninv
ertin
gm
aybe
view
edfo
rany
resp
onse
type
.( F
igur
e1)
orin
verti
ng(F
igur
e2)
.D
esig
neq
uatio
nsfo
rth
ese
two
basi
cco
nfig
urat
ions
are
show
nfo
rre
fere
nce.
The
desi
gnpr
ogra
mso
lves
thes
eeq
uatio
ns,
prov
idin
gco
mpl
ete
resu
lts,
incl
udin
gco
mpo
nent
valu
es.
Cop
yrig
ht©
1992
–201
0,Te
xas
Inst
rum
ents
Inco
rpor
ated
Subm
itD
ocum
enta
tion
Feed
back
5
Prod
uctF
olde
rLin
k(s)
:UAF
42
A1R
2
50k
A2
A3
R4
50k
11
R1
50k
RF
1R
F2
C1
1000pF
C2
1000pF
3
13
87
14
RQ
LP
Out
BP
Out
HP
Out
112
50k
RG
VIN
2
RR
GQ
Desig
nE
quations
1.
=
n
2R
2
RR
RC
C1
F1
F2
12
2.Q
=
R(R
+R
)4
GQ
1+
R1
R2
1+
RR
C2
F1
1
RR
C1
F2
2
1/2
3.Q
A=
QA LP
HP
RR
C1
F1
1
RR
C2
F2
2
1/2
R1
R2
=A
BP
R2
4.A
=LP
R1
1+
RG
RG1
+R
Q1+
R41
R1
5.A
=H
P
R2
1+
RG
RG1
+R
Q1+
R41
R1
R2
A=
LP
6.A
=B
PR
G
R4
UA
F42
Note
:IfR
=50k
,theexte
rnalg
ain
-settin
g
resis
torc
anbeelim
inate
dbyconnectingV
topin
2.
G
INP
innum
bers
are
forD
IP
package.S
OIC
-16pin
out
isdiffe
rent.
UAF4
2
SBFS
002B
–JU
LY19
92–R
EVIS
EDO
CTO
BER
2010
ww
w.ti
.com
Figu
re1.
Non
inve
rtin
gPo
le-P
air
6Su
bmit
Doc
umen
tatio
nFe
edba
ckC
opyr
ight
©19
92–2
010,
Texa
sIn
stru
men
tsIn
corp
orat
ed
Prod
uctF
olde
rLin
k(s)
:UAF
42
Page 22
8th
-Ord
er,
Lo
wp
ass
,S
wit
ch
ed
-Ca
pa
cit
or
Fil
ters
ELEC
TRIC
AL C
HARA
CTER
ISTI
CS (c
ontin
ued)
(V+
= 5
V,
V-
= -
5V,
filte
r ou
tput
mea
sure
d a
t O
UT
pin
, 20
kΩlo
ad r
esis
tor
to g
roun
d a
t O
UT
and
OP
OU
T, f
CLK
= 1
00kH
z(M
AX
291/
MA
X29
2) o
r f C
LK=
50k
Hz
(MA
X29
5/M
AX
296)
, TA
= T
MIN
to T
MA
X, u
nles
s ot
herw
ise
note
d.)
IN =
GN
D
V+
= 5
V, V
- =
-5V
, VC
LK=
0V
to 5
VV
- =
0V
, GN
D =
V±
2
VC
LK=
0V
or
5V
T A=
+25
°C, f
CLK
= 1
00kH
z
f CLK
= 1
00kH
z
CO
SC
= 1
000p
F
COND
ITIO
NS
mA
1522
4.75
011
.000
Sin
gle
Sup
ply
V±
2.37
5±
5.50
0S
upp
ly V
olta
ge
Dua
l Sup
ply
µA0.
05In
put
Bia
s C
urre
ntV
±4
Out
put
DC
Sw
ing
mV
±10
±50
Inp
ut O
ffset
Vol
tag
e
dB
0.15
0-0
.15
DC
Inse
rtion
Gai
n E
rror
with
Out
put
Offs
et R
emov
ed
mV
±15
0±
400
V±
4O
utp
ut D
C S
win
gO
utp
ut O
ffset
Vol
tag
e
1.0
Low
V4.
0C
lock
Inp
ut H
igh
(Not
e 1)
µA±
70±
120
Inte
rnal
Osc
illat
or
Cur
rent
Sou
rce/
Sin
k
dB
-70
Tota
l Har
mon
ic D
isto
rtio
np
lus
Noi
se
mV
p-p
6C
lock
Fee
dth
roug
h
kHz
2935
43In
tern
al O
scill
ator
Freq
uenc
y
UNIT
SMI
NTY
PMA
XPA
RAME
TER
V+
= 2
.375
V, V
- =
-2.
375V
, VC
LK=
-2V
to 2
V7
12S
upp
ly C
urre
nt
CLOC
K
UNCO
MMIT
TED
OP A
MP
POW
ER R
EQUI
REME
NTS
V V
Typ
ica
l O
pe
rati
ng
Ch
ara
cte
rist
ics
(V+
= 5
V, V
- =
-5V
, TA
= +
25°C
, fC
LK=
100
kHz
(MA
X29
1/M
AX
292)
or
f CLK
= 5
0kH
z (M
AX
295/
MA
X29
6), u
nles
s ot
herw
ise
note
d.)
0.99
0
1.00
0
1.02
0
1.01
0
1.03
0
2.0
3.5
4.0
2.5
3.0
4.5
5.0
5.5
NORM
ALIZ
ED IN
TERN
AL O
SCIL
LATO
RFR
EQUE
NCY
vs. S
UPPL
Y VO
LTAG
E
MAX291/2/5/6-02
SUPP
LY V
OLTA
GE (V
)
NORMALIZED OSCILLATOR FREQUENCY
1nF
EXTE
RNAL
CAPA
CITO
R CL
K
0
100 50200
150
300
250
350
450
400
500
04
68
210
1214
1618
INTE
RNAL
OSC
ILLA
TOR
PERI
OD v
s.CA
PACI
TANC
E VA
LUE
MAX291/2/5/6-01
CAPA
CITA
NCE
(nF)
OSCILLATOR PERIOD (µs)
0.97
0.94
1.03
1.00
1.06
-60
-20
020
-40
4060
8010
012
014
0
NORM
ALIZ
ED IN
TERN
AL O
SCIL
LATO
RFR
EQUE
NCY
vs. T
EMPE
RATU
RE
MAX291/2/5/6-03
TEM
PERA
TURE
(°C)
NORMALIZED OSCILLATOR FREQUENCY
1nF
EXTE
RNAL
CAPA
CITO
R CL
K
Note
1.G
uara
ntee
d b
y d
esig
n.
MAX291/M
AX292/M
AX295/M
AX296
Max
im In
tegr
ated
3
Page 23
8th
-Ord
er,
Lo
wp
ass
, S
wit
ch
ed
-Ca
pa
cit
or
Fil
ters
-0.6
-0.7
-0.5
-0.2
-0.1
-0.3
-0.40
020
040
060
080
01k
MAX
291/
MAX
295
FREQ
UENC
Y RE
SPON
SEMAX291/2/5/6-04
INPU
T FR
EQUE
NCY
(Hz)
GAIN (dB)
MAX
295
F o =
1kH
z
MAX
291
-100
-120-8
0
-200
-40
-6020
01
23
45
MAX
291/
MAX
295
FREQ
UENC
Y RE
SPON
SE
MAX291/2/5/6-05
INPU
T FR
EQUE
NCY
(Hz)
GAIN (dB)
MAX
295
F o =
1kH
z
MAX
291
-100
-120-8
0
-200
-40
-6020
02
46
810
MAX
292/
MAX
296
FREQ
UENC
Y RE
SPON
SE
MAX291/2/5/6-06
INPU
T FR
EQUE
NCY
(Hz)
GAIN (dB)
MAX
296
F o =
1kH
z
MAX
292
69 8 711 1015 14 13 1216
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
SUPP
LY C
URRE
NT
vs. S
UPPL
Y VO
LTAG
E
MAX291/2/5/6-07
SUPP
LY V
OLTA
GE, V
+ OR
|V-|
SUPPLY CURRENT I+ OR |I-|(mA)
100k
Hz E
XTER
NAL
CLOC
K
1013 12 11141516
-60
200
-40
-20
4060
8010
012
014
0
SUPP
LY C
URRE
NT v
s. T
EMPE
RATU
RE
MAX291/2/5/6-10
TEM
PERA
TURE
(°C)
SUPPLY CURRENT (mA)
100k
Hz E
XTER
NAL
CLOC
KI+
OR
| I- |
-60
-70
-50
-20
-10
-30
-400
040
080
01.
2k1.
6k2k
MAX
291/
MAX
295
FREQ
UENC
Y RE
SPON
SEMAX291/2/5/6-08
INPU
T FR
EQUE
NCY
(Hz)
GAIN (dB)
F o =
1kH
z
MAX
291/
MAX
295
-12
-14
-10-4-2 -6 -80
040
080
01.
2k1.
6k2k
MAX
292/
MAX
296
FREQ
UENC
Y RE
SPON
SE
MAX291/2/5/6-09
INPU
T FR
EQUE
NCY
(Hz)
GAIN (dB)
MAX
296
F o =
1kH
z
MAX
292
-480
-560
-400
-160-8
0
-240
-3200
040
080
01.
2k1.
6k2k
MAX
291/
MAX
295
PHAS
E RE
SPON
SE
MAX291/2/5/6-11
INPU
T FR
EQUE
NCY
(Hz)
PHASE SHIFT (Degrees)
MAX
295
F o =
1kH
z
MAX
291
0
040
01.
2k2k
MAX
292/
296
PHAS
E RE
SPON
SE
-300
-350
-100
-150-5
0
INPU
T FR
EQUE
NCY
(Hz)
PHASE SHIFT (Degrees)
800
1.6k
-200
-250
f o =
1kH
z
MAX291/2/5/6-12
Typ
ica
l O
pe
rati
ng
Ch
ara
cte
rist
ics
(co
nti
nu
ed
)(V
+ =
5V
, V-
= -
5V, T
A=
+25
°C, f
CLK
= 1
00kH
z (M
AX
291/
MA
X29
2) o
r f C
LK=
50k
Hz
(MA
X29
5/M
AX
296)
, unl
ess
othe
rwis
e no
ted
.)
MAX291/M
AX292/M
AX295/M
AX296
4M
axim
Inte
grat
ed
erro
r on
its re
spec
tive
pole
s, w
hile
the
sam
e m
ism
atch
in a
ladd
er fi
lter d
esig
n w
ill sp
read
its
erro
r ove
r all
pole
s.
The
MA
X291
/MA
X292
/MA
X295
/MA
X296
inpu
t im
peda
nce
is e
ffect
ivel
y th
at o
f a
switc
hed
-cap
acito
r re
sist
or (
see
equa
tion
belo
w, a
nd T
able
1),
and
it is
inve
rsel
y pr
opor
tion-
al t
o fre
quen
cy.
The
inpu
t im
peda
nce
valu
es d
eter
min
edbe
low
rep
rese
nt a
vera
ge in
put i
mpe
danc
e, s
ince
the
inpu
tcu
rren
t is
not c
ontin
uous
. The
inpu
t cur
rent
flow
s in
a s
erie
sof
pul
ses
that
cha
rge
the
inpu
t ca
paci
tor
ever
y tim
e th
eap
prop
riate
sw
itch
is c
lose
d. A
goo
d ru
le o
f th
umb
is t
hat
the
driv
er’s
inp
ut s
ourc
e re
sist
ance
sho
uld
be
less
tha
n10
% o
f th
e fil
ter’s
inpu
t im
peda
nce.
The
inpu
t im
peda
nce
of th
e fil
ter c
an b
e es
timat
ed u
sing
the
follo
win
g fo
rmul
a:
Z =
1 /
(fC
LK*
C)
whe
re: f
CLK
= C
lock
Fre
que
ncy
The
inp
ut i
mp
edan
ce f
or v
ario
us c
lock
fre
que
ncie
s is
giv
en b
elow
:
Clo
ck
-Sig
na
l R
eq
uir
em
en
tsTh
e M
AX
291/
MA
X29
2/M
AX
295/
MA
X29
6 m
axim
um r
ec-
omm
ende
d cl
ock
frequ
ency
is 2
.5M
Hz,
pro
duci
ng a
cut
off
frequ
ency
of
25kH
z fo
r th
e M
AX2
91/M
AX2
92 a
nd 5
0kH
zfo
r th
e M
AX2
95/M
AX2
96.
The
CLK
pin
can
be
driv
en b
yan
ext
erna
l clo
ck o
r by
the
inte
rnal
osc
illat
or w
ith a
n ex
ter-
nal
cap
acito
r. Fo
r ex
tern
al c
lock
ap
plic
atio
ns,
the
cloc
kci
rcui
try h
as b
een
desi
gned
to
inte
rface
with
+5V
CM
OS
logi
c. D
rive
the
CLK
pin
with
a C
MO
S ga
te p
ower
ed fr
om0V
and
+5V
whe
n us
ing
eith
er a
sin
gle
+5V
sup
ply
or d
ual
+5V
sup
plie
s. T
he M
AX
291/
MA
X29
2/M
AX
295/
MA
X29
6su
pp
ly c
urre
nt i
ncre
ases
slig
htly
(<
3%)
with
inc
reas
ing
cloc
k fre
que
ncy
over
the
clo
ck r
ang
e 10
0kH
z to
1M
Hz.
Vary
ing
the
rate
of
an e
xter
nal c
lock
will
dyn
amic
ally
ad-
just
the
corn
er fr
eque
ncy
of th
e fil
ter.
Idea
lly,
the
MA
X29
1/M
AX
292/
MA
X29
5/M
AX
296
shou
ldb
e cl
ocke
d s
ymm
etric
ally
(50
% d
uty
cycl
e).
MA
X29
1/M
AX
292/
MA
X29
5/M
AX
296
can
be
oper
ated
with
clo
ckas
ymm
etry
of
up t
o 60
/40%
(or
40/
60%
) if
the
cloc
kre
mai
ns H
IGH
and
LO
W fo
r at
leas
t 200
ns. F
or e
xam
ple
,if
the
par
t has
a m
axim
um c
lock
rat
e of
2.5
MH
z, th
en th
ecl
ock
shou
ld b
e hi
gh
for
at l
east
200
ns,
and
low
for
at
leas
t 200
ns.
Whe
n us
ing
the
inte
rnal
osc
illat
or, t
he c
apac
itanc
e (C
OSC
)fro
m C
LK to
gro
und
dete
rmin
es th
e os
cilla
tor f
requ
ency
:
The
stra
y ca
pac
itanc
e at
CLK
sho
uld
be
min
imiz
ed b
e-ca
use
it w
ill a
ffect
the
inte
rnal
osc
illat
or fr
eque
ncy.
____
____
___A
pp
lic
ati
on
In
form
ati
on
Po
we
r S
up
plie
sTh
e M
AX
291/
MA
X29
2/M
AX
295/
MA
X29
6 op
erat
e fr
omei
ther
dua
l or
sing
le p
ower
sup
plie
s. T
he d
ual-s
uppl
y vo
lt-ag
e ra
nge
is +
2.37
5V to
+5.
500V
. The
±2.
5V d
ual s
uppl
y is
equi
vale
nt to
sin
gle-
supp
ly o
pera
tion
(Fig
ure
3). M
inor
per
-fo
rman
ce d
egra
dat
ion
coul
d o
ccur
due
to
the
exte
rnal
resi
stor
div
ider
net
wor
k, w
here
the
GN
D p
in is
bia
sed
tom
id-s
uppl
y.
Inp
ut
Sig
na
l R
an
ge
The
idea
l inp
ut s
igna
l ran
ge is
det
erm
ined
by
obse
rvin
g at
wha
t vo
ltage
leve
l the
tot
al h
arm
onic
dis
torti
on p
lus
nois
e(T
HD
+ N
oise
) ra
tio is
max
imiz
ed f
or a
giv
en c
orne
r fre
-qu
ency
. Th
e Ty
pica
l Ope
ratin
g C
hara
cter
istic
ssh
ow t
heM
AX2
91/M
AX2
92/M
AX2
95/M
AX2
96 T
HD
+ N
oise
resp
onse
as th
e in
put s
igna
l’s p
eak-
to-p
eak
ampl
itude
is v
arie
d.
Un
co
mm
itte
d O
p A
mp
The
unco
mm
itted
op
amp
has
its n
onin
verti
ng in
put
tied
to t
he G
ND
pin
, an
d ca
n be
use
d to
bui
ld a
1st
- or
2nd
-
fkH
zC
pF
OS
CO
SC
()
()
≈10
3
5
8th
-Ord
er,
Lo
wp
ass
,S
wit
ch
ed
-Ca
pa
cit
or
Fil
ters
C2
R1L1
L3L5
L7
V IN
C4C6
C8R2 V O
Fig
ure
2. 8
th-O
rder
Lad
der
Filt
er N
etw
ork
MAX
29_
CLK
1
+1V
TO +
4VIN
PUT
SIGN
ALRA
NGE
5
+5V
OUTP
UT 0V
6
3 4
+5V 0V
8
OUT
GND
V-V+7 2
OP O
UT
OP IN
-
IN
0.1µ
F10
k
10k
0.1µ
F
Fig
ure
3. +
5V S
ing
le-S
upp
ly O
per
atio
n
Table
1. In
put Im
peda
nce f
or V
ariou
s Cloc
kFr
eque
ncies
1000
kHz
(kΩ)
446
305
224
237
100k
Hz(MΩ)
4.46
3.05
2.24
2.37
10kH
z (MΩ)
44.6
30.5
22.4
23.7
C (p
F)
MA
X29
12.
24M
AX
292
3.28
PART
MA
X29
54.
47M
AX
296
4.22
Pin
Con
figur
atio
n is
8-p
in D
IP.
MAX291/M
AX292/M
AX295/M
AX296
Max
im In
tegr
ated
7
Page 24
1A - S5 - ETI TD Sys4
Capteurs
FICHES A LIRE— Amplificateur Lineaire Integre / Principe et montages de base— Capteurs
Notions supplémentaires sur les capteurs
Montage 1 - ADXL335
23
Page 25
IOGS - Electronique pour le Traitement de l’Information Travaux Dirigés
Montage 2 - TC77
Montage 3 - Capteur PIR - PYD 1788
– 24 –
Page 26
IOGS - Electronique pour le Traitement de l’Information Travaux Dirigés
Exercice - Sonde de platine /Montage à ALISonde de platine
On considère une sonde de platine (souvent notée PT100) pour laquelle la variation de températuresur sa plage de fonctionnement (-200˚C à +650˚C) peut être approximée par la formule (en Ohms avec Texprimée en ˚C) :
R(T ) = 100 (1 + 3.908 × 10−3T − 5.802 × 10−7T 2)
1. Que signifie, d’après vous, la valeur 100 dans le terme PT100 ?
2. Donner l’expression de la sensibilité de la sonde de platine. Calculer la variation relative ∆R/Rassociée à une variation de température de 0.1˚C autour de 0˚C. Compléter le tableau suivant :
3. Proposer une méthode simple pour mesurer la température. Quelle est la sensibilité de votre systèmede mesure pour un courant de 1 A injecté dans la résistance ? Un courant de 10 A ?
Montage à amplificateurs opérationnelsLe montage suivant utilise 4 amplificateurs opérationnels (AO) que l’on supposera idéaux. Une sonde
de platine est insérée dans la boucle de réaction de l’AO1. La diode Zener sert à délivrer une tension deréférence constante de valeur VZ = 1.2 V. Les valeurs des autres composants sont : VCC = 15 V, R0 = 10 kΩ,R1 = R3 = 1 kΩ et R2 = 100 Ω.
1. Décomposer ce circuit en différents étages et expliquer le rôle de chacun.
2. Exprimer la tension de sortie Vs en fonction de R(T ). Ce montage peut-il fonctionner avec des AOmonotensions (c’est-à-dire alimentés entre 0 V et VCC) ?
3. On souhaite obtenir en sortie du montage une sensibilité de 10mV/C autour de T = 0C. Quellevaleur faut-il choisir pour R4 ?
4. Dans ces conditions, exprimer la linéarité de ce montage sur une plage de fonctionnement de -100˚Cà +100˚C (on calculera pour cela l’écart maximal à la droite de pente 10 mV/˚C).
– 25 –
Page 27
Smal
l, Lo
w Po
wer,
3-Ax
is ±
3 g
Acce
lero
met
erAD
XL33
5
Rev
. B
Info
rmat
ion
furn
ishe
d by
Ana
log
Dev
ices
is b
elie
ved
to b
e ac
cura
te a
nd r
elia
ble.
How
ever
, no
resp
onsib
ility
is a
ssum
ed b
y A
nalo
g D
evic
es fo
r its
use
, nor
for a
ny in
frin
gem
ents
of p
aten
ts o
r oth
er
right
s of t
hird
par
ties t
hat m
ay re
sult
from
its u
se. S
peci
ficat
ions
subj
ect t
o ch
ange
with
out n
otic
e. N
o lic
ense
is g
rant
ed b
y im
plic
atio
n or
oth
erw
ise
unde
r any
pat
ent o
r pat
ent r
ight
s of A
nalo
g D
evic
es.
Trad
emar
ks a
nd re
gist
ered
trad
emar
ks a
re th
e pr
oper
ty o
f the
ir re
spec
tive
owne
rs.
O
ne
Tech
nol
ogy
Way
, P
.O.
Bo
x 91
06,
Nor
wo
od
, M
A 0
2062
-910
6, U
.S.A
.Te
l: 78
1.32
9.47
00
ww
w.a
nal
og.
com
Fa
x: 7
81.4
61.3
113
©20
09–2
010
An
alo
g D
evic
es, I
nc.
All
rig
hts
res
erve
d.
FEA
TUR
ES
3-ax
is s
ensi
ng
Sm
all,
low
pro
file
pac
kag
e 4
mm
× 4
mm
× 1
.45
mm
LFC
SP
Low
pow
er :
350 μ
A (t
ypic
al)
Sin
gle
-su
pp
ly o
per
atio
n: 1
.8 V
to 3
.6 V
10
,000
g s
ho
ck s
urv
ival
Ex
celle
nt t
emp
erat
ure
sta
bili
ty
BW
ad
just
men
t w
ith
a s
ing
le c
apac
ito
r p
er a
xis
Ro
HS/
WEE
E le
ad-f
ree
com
plia
nt
AP
PLI
CA
TIO
NS
Cost
sen
siti
ve, l
ow p
ow
er, m
oti
on
- an
d ti
lt-s
ensi
ng
ap
plic
atio
ns
Mo
bile
dev
ices
G
amin
g s
yste
ms
Dis
k d
rive
pro
tect
ion
Im
age
stab
iliza
tio
n
Spo
rts
and
hea
lth
dev
ices
GEN
ERA
L D
ESC
RIP
TIO
N
The
AD
XL3
35 is
a sm
all,
thin
, low
pow
er, c
ompl
ete
3-ax
is ac
cel-
erom
eter
with
sign
al c
ondi
tione
d vo
ltage
out
puts
. The
pro
duct
m
easu
res a
ccel
erat
ion
with
a m
inim
um fu
ll-sc
ale
rang
e of
±3
g.
It ca
n m
easu
re th
e st
atic
acc
eler
atio
n of
gra
vity
in ti
lt-se
nsin
g ap
plic
atio
ns, a
s wel
l as d
ynam
ic a
ccel
erat
ion
resu
lting
from
m
otio
n, sh
ock,
or v
ibra
tion.
The
user
sele
cts t
he b
andw
idth
of t
he a
ccel
erom
eter
usin
g th
e C
X, C
Y, an
d C
Z cap
acito
rs a
t the
XO
UT,
Y OU
T, an
d Z O
UT p
ins.
Band
wid
ths c
an b
e se
lect
ed to
suit
the
appl
icat
ion,
with
a
rang
e of
0.5
Hz
to 1
600
Hz
for t
he X
and
Y a
xes,
and
a ra
nge
of
0.5
Hz
to 5
50 H
z fo
r the
Z a
xis.
The
AD
XL3
35 is
ava
ilabl
e in
a sm
all,
low
pro
file,
4 m
m ×
4
mm
× 1
.45
mm
, 16-
lead
, pla
stic
lead
fram
e ch
ip sc
ale
pack
age
(LFC
SP_L
Q).
FUN
CTI
ON
AL
BLO
CK
DIA
GR
AM
07808-001
3-A
XIS
SE
NS
OR
AC
AM
PD
EM
OD
OU
TP
UT
AM
P
OU
TP
UT
AM
P
OU
TP
UT
AM
P
VS
CO
MS
T
XO
UT
YO
UT
ZO
UT
+3V
CX
CY
CZ
AD
XL
33
5~
32kΩ
~32
kΩ
~32
kΩ
CD
C
Fi
gure
1.
ADXL
335
Rev.
B |
Page
3 o
f 16
SPEC
IFIC
ATIO
NS
T A =
25°
C, V
S = 3
V, C
X =
CY =
CZ =
0.1
μF,
acc
eler
atio
n =
0 g,
unl
ess o
ther
wis
e no
ted.
All
min
imum
and
max
imum
spec
ifica
tions
are
gu
aran
teed
. Typ
ical
spec
ifica
tions
are
not
gua
rant
eed.
Tab
le 1
. Pa
ram
eter
Co
nd
itio
ns
Min
Ty
p
Max
U
nit
SE
NSO
R IN
PUT
Each
axi
s
M
easu
rem
ent R
ange
±3
±3.
6
g
Non
linea
rity
% o
f ful
l sca
le
±
0.3
%
Pa
ckag
e A
lignm
ent E
rror
±
1
Deg
rees
In
tera
xis
Alig
nmen
t Err
or
±0.
1
Deg
rees
C
ross
-Axi
s Se
nsit
ivit
y1
±1
%
SEN
SITI
VITY
(RAT
IOM
ETRI
C)2
Each
axi
s
Se
nsiti
vity
at X
OU
T, Y O
UT,
Z OU
T V S
= 3
V
270
300
330
mV/
g Se
nsiti
vity
Cha
nge
Due
to T
empe
ratu
re3
V S =
3 V
±0.
01
%
/°C
ZERO
g B
IAS
LEVE
L (R
ATIO
MET
RIC
)
0 g
Volta
ge a
t XO
UT,
Y OU
T V S
= 3
V
1.35
1.
5 1.
65
V 0
gVo
ltage
at Z
OU
T V S
= 3
V
1.2
1.5
1.8
V 0
g O
ffse
t vs.
Tem
per
atur
e
±
1
mg/
°C
NO
ISE
PERF
ORM
AN
CE
N
oise
Den
sity
XO
UT,
Y OU
T
15
0
μg/√
Hz
rms
Noi
se D
ensi
ty Z
OU
T
30
0
μg/√
Hz
rms
FREQ
UEN
CY
RESP
ON
SE4
Ba
ndw
idth
XO
UT,
Y OU
T5
No
exte
rnal
filt
er
16
00
H
z
Band
wid
th Z
OU
T5 N
o ex
tern
al fi
lter
550
H
z
R FIL
T Tol
eran
ce
32 ±
15%
kΩ
Sens
or R
eson
ant F
requ
ency
5.
5
kHz
SELF
-TES
T6
Logi
c In
put L
ow
+0.
6
V Lo
gic
Inpu
t Hig
h
+
2.4
V
ST A
ctua
tion
Cur
rent
+
60
μA
O
utp
ut C
hang
e at
XO
UT
Self-
Test
0 to
Sel
f-Tes
t 1
−15
0 −
325
−60
0 m
V O
utp
ut C
hang
e at
YO
UT
Self-
Test
0 to
Sel
f-Tes
t 1
+15
0 +
325
+60
0 m
V O
utp
ut C
hang
e at
ZO
UT
Self-
Test
0 to
Sel
f-Tes
t 1
+15
0 +
550
+10
00
mV
OU
TPU
T A
MPL
IFIE
R
Out
put
Sw
ing
Low
N
o lo
ad
0.
1
V O
utp
ut S
win
g H
igh
No
load
2.8
V
POW
ER S
UPP
LY
O
per
atin
g Vo
ltag
e Ra
nge
1.
8
3.6
V Su
pp
ly C
urre
nt
V S =
3 V
350
μA
Turn
-On
Tim
e7 N
o ex
tern
al fi
lter
1
m
s TE
MPE
RATU
RE
O
per
atin
g Te
mp
erat
ure
Rang
e
−40
+85
°C
1 D
efin
ed a
s co
uplin
g b
etw
een
any
two
axes
. 2 S
ensi
tivity
is e
ssen
tially
ratio
met
ric to
VS.
3 D
efin
ed a
s th
e ou
tput
cha
nge
from
am
bien
t-to
-max
imum
tem
pera
ture
or a
mbi
ent-
to-m
inim
um te
mpe
ratu
re.
4 Act
ual f
requ
ency
resp
onse
con
trol
led
by
user
-sup
plie
d ex
tern
al fi
lter
cap
acito
rs (C
X, C
Y, C
Z).
5 Ban
dw
idth
with
ext
erna
l cap
acito
rs =
1/(
2 ×
π ×
32
kΩ ×
C).
For C
X, C
Y = 0
.003
μF,
ban
dwid
th =
1.6
kH
z. F
or C
Z = 0
.01 μF
, ban
dwid
th =
500
Hz.
For
CX, C
Y, C
Z = 1
0 μF
, b
andw
idth
= 0
.5 H
z.
6 Sel
f-te
st re
spon
se c
hang
es c
ubic
ally
with
VS.
7 Tur
n-on
tim
e is
dep
ende
nt o
n C
X, C
Y, C
Z and
is a
pp
roxi
mat
ely
160
× C
X o
r CY o
r CZ +
1 m
s, w
here
CX, C
Y, C
Z are
in m
icro
fara
ds (μ
F).
Page 28
ADXL
335
Rev.
B |
Page
5 o
f 16
PIN
CONF
IGUR
ATIO
N AN
D FU
NCTI
ON D
ESCR
IPTI
ONS
07808-003
NO
TE
S1.
EX
PO
SE
D P
AD
IS
NO
T I
NT
ER
NA
LL
Y
C
ON
NE
CT
ED
BU
T S
HO
UL
D B
E S
OL
DE
RE
D
F
OR
ME
CH
AN
ICA
L I
NT
EG
RIT
Y.
NC
= N
O C
ON
NE
CT
NC
1
ST
2
CO
M3
NC
4
XO
UT
12
NC
11
YO
UT
10
NC
9
COM
COM
COM
ZOUT
56
78
16
NC
15
VS
14
VS
13
NC
AD
XL
33
5T
OP
VIE
W(N
ot
to S
cale
)
+Z +
X
+Y
Fi
gure
2. P
in C
onfig
urat
ion
Tab
le 3
. Pin
Fun
ctio
n D
escr
iptio
ns
Pin
No.
M
nem
on
ic
Des
crip
tio
n
1 N
C
No
Con
nect
.1 2
ST
Self-
Test
. 3
COM
C
omm
on.
4 N
C
No
Con
nect
.1 5
COM
C
omm
on.
6 CO
M
Com
mon
. 7
COM
C
omm
on.
8 Z O
UT
Z C
hann
el O
utp
ut.
9 N
C
No
Con
nect
.1 10
Y O
UT
Y C
hann
el O
utp
ut.
11
NC
N
o C
onne
ct. 1
12
XO
UT
X C
hann
el O
utp
ut.
13
NC
N
o C
onne
ct. 1
14
V S
Sup
ply
Vol
tage
(1.8
V to
3.6
V).
15
V S
Sup
ply
Vol
tage
(1.8
V to
3.6
V).
16
NC
N
o C
onne
ct. 1
EP
Exp
osed
Pad
N
ot in
tern
ally
con
nect
ed. S
olde
r for
mec
hani
cal i
nteg
rity.
1 NC
pin
s ar
e no
t int
erna
lly c
onne
cted
and
can
be
tied
to C
OM
pin
s, u
nles
s ot
herw
ise
note
d.
ADXL
335
Rev.
B |
Page
11
of 1
6
APPL
ICAT
IONS
INFO
RMAT
ION
PO
WER
SU
PP
LY D
ECO
UP
LIN
G
For m
ost a
pplic
atio
ns, a
sing
le 0
.1 μ
F ca
paci
tor,
CD
C, p
lace
d cl
ose
to th
e A
DX
L335
supp
ly p
ins a
dequ
atel
y de
coup
les t
he
acce
lero
met
er fr
om n
oise
on
the
pow
er su
pply.
How
ever
, in
appl
icat
ions
whe
re n
oise
is p
rese
nt a
t the
50
kHz
inte
rnal
clo
ck
freq
uenc
y (o
r any
har
mon
ic th
ereo
f), a
dditi
onal
car
e in
pow
er
supp
ly b
ypas
sing
is re
quire
d be
caus
e th
is no
ise
can
caus
e er
rors
in
acc
eler
atio
n m
easu
rem
ent.
If ad
ditio
nal d
ecou
plin
g is
need
ed, a
100
Ω (o
r sm
alle
r) re
sisto
r or
ferr
ite b
ead
can
be in
sert
ed in
the
supp
ly li
ne. A
dditi
onal
ly, a
la
rger
bul
k by
pass
cap
acito
r (1 μF
or g
reat
er) c
an b
e ad
ded
in
para
llel t
o C
DC. E
nsur
e th
at th
e co
nnec
tion
from
the
AD
XL3
35
grou
nd to
the
pow
er su
pply
gro
und
is lo
w im
peda
nce
beca
use
nois
e tr
ansm
itted
thro
ugh
grou
nd h
as a
sim
ilar e
ffect
to n
oise
tr
ansm
itted
thro
ugh
VS.
SETT
ING
TH
E B
AN
DW
IDTH
USI
NG
CX, C
Y, A
ND
CZ
The
AD
XL3
35 h
as p
rovi
sions
for b
and
limiti
ng th
e X
OU
T, Y O
UT,
and
Z OU
T pin
s. C
apac
itors
mus
t be
adde
d at
thes
e pi
ns to
impl
e-m
ent l
ow-p
ass f
ilter
ing
for a
ntia
liasi
ng a
nd n
oise
redu
ctio
n. T
he
equa
tion
for t
he 3
dB
band
wid
th is
F −3
dB =
1/(
2π(3
2 kΩ
) × C
(X, Y
, Z))
or m
ore
simpl
y
F –3
dB =
5 μ
F/C (
X, Y
, Z)
The
tole
ranc
e of
the
inte
rnal
resis
tor (
R FIL
T) ty
pica
lly v
arie
s as
muc
h as
±15
% o
f its
nom
inal
val
ue (3
2 kΩ
), an
d th
e ba
ndw
idth
va
ries
acc
ordi
ngly.
A m
inim
um c
apac
itanc
e of
0.0
047 μF
for C
X,
CY,
and
CZ i
s rec
omm
ende
d in
all
case
s.
Tab
le 4
. Filt
er C
apac
itor S
elec
tion,
CX, C
Y, a
nd C
Z B
and
wid
th (H
z)
Cap
acit
or
(μF)
1
4.7
10
0.47
50
0.
10
100
0.05
20
0 0.
027
500
0.01
SELF
-TES
T Th
e ST
pin
con
trol
s the
self-
test
feat
ure.
Whe
n th
is pi
n is
set t
o V
S, an
ele
ctro
stat
ic fo
rce
is ex
erte
d on
the
acce
lero
met
er b
eam
. Th
e re
sulti
ng m
ovem
ent o
f the
bea
m a
llow
s the
use
r to
test
if
the
acce
lero
met
er is
func
tiona
l. Th
e ty
pica
l cha
nge
in o
utpu
t is −1
.08
g (c
orre
spon
ding
to −
325
mV
) in
the
X-a
xis,
+1.0
8 g
(or +
325
mV
) on
the
Y-ax
is, a
nd +
1.83
g (o
r +55
0 m
V) o
n th
e Z-
axis.
Thi
s ST
pin
can
be le
ft op
en-c
ircui
t or c
onne
cted
to
com
mon
(CO
M) i
n no
rmal
use
.
Nev
er e
xpos
e th
e ST
pin
to v
olta
ges g
reat
er th
an V
S + 0
.3 V
. If
this
cann
ot b
e gu
aran
teed
due
to th
e sy
stem
des
ign
(for
in
stan
ce, i
f the
re a
re m
ultip
le su
pply
vol
tage
s), t
hen
a lo
w
VF c
lam
ping
dio
de b
etw
een
ST a
nd V
S is r
ecom
men
ded.
DES
IGN
TR
AD
E-O
FFS
FOR
SEL
ECTI
NG
FIL
TER
C
HA
RA
CTE
RIS
TIC
S: T
HE
NO
ISE/
BW
TR
AD
E-O
FF
The
sele
cted
acc
eler
omet
er b
andw
idth
ulti
mat
ely
dete
rmin
es
the
mea
sure
men
t res
olut
ion
(sm
alle
st d
etec
tabl
e ac
cele
ratio
n).
Filte
ring
can
be
used
to lo
wer
the
nois
e flo
or to
impr
ove
the
reso
lutio
n of
the
acce
lero
met
er. R
esol
utio
n is
depe
nden
t on
th
e an
alog
filte
r ban
dwid
th a
tXO
UT,
Y OU
T, an
d Z O
UT.
The
outp
ut o
f the
AD
XL3
35 h
as a
typi
cal b
andw
idth
of g
reat
er
than
500
Hz.
The
use
r mus
t filt
er th
e sig
nal a
t thi
s poi
nt to
lim
it al
iasin
g er
rors
. The
ana
log
band
wid
th m
ust b
e no
mor
e th
an h
alf t
he a
nalo
g-to
-dig
ital s
ampl
ing
freq
uenc
y to
min
imiz
e al
iasi
ng. T
he a
nalo
g ba
ndw
idth
can
be
furt
her d
ecre
ased
to
redu
ce n
oise
and
impr
ove
reso
lutio
n.
The
AD
XL3
35 n
oise
has
the
char
acte
rist
ics o
f whi
te G
auss
ian
nois
e, w
hich
con
trib
utes
equ
ally
at a
ll fr
eque
ncie
s and
is
desc
ribe
d in
term
s of μ
g/√H
z (t
he n
oise
is p
ropo
rtio
nal t
o th
e sq
uare
root
of t
he a
ccel
erom
eter
ban
dwid
th).
The
user
shou
ld
limit
band
wid
th to
the
low
est f
requ
ency
nee
ded
by th
e ap
plic
a-tio
n to
max
imiz
e th
e re
solu
tion
and
dyna
mic
rang
e of
the
acce
lero
met
er.
With
the
sing
le-p
ole,
roll-
off c
hara
cter
istic
, the
typi
cal n
oise
of
the
AD
XL3
35 is
det
erm
ined
by
)1.
6(
××
=BW
Den
sity
Noi
seN
oise
rms
It is
ofte
n us
eful
to k
now
the
peak
val
ue o
f the
noi
se. P
eak-
to-
peak
noi
se c
an o
nly
be e
stim
ated
by
stat
istic
al m
etho
ds. T
able
5
is us
eful
for e
stim
atin
g th
e pr
obab
ilitie
s of e
xcee
ding
var
ious
pe
ak v
alue
s, gi
ven
the
rms v
alue
.
Tab
le 5
. Est
imat
ion
of P
eak-
to-P
eak
Noi
se
Peak
-to
-Pea
k V
alu
e %
of T
ime
That
No
ise
Exce
eds
No
min
al P
eak-
to-P
eak
Val
ue
2 ×
rms
32
4 ×
rms
4.6
6 ×
rms
0.27
8
× rm
s 0.
006
Page 29
2
00
2-2
01
2 M
icro
chip
Te
chn
olo
gy
Inc.
DS
20
09
2B
-pa
ge
1
TC
77
Fe
atu
res
•D
igita
l Te
mp
era
ture
Sen
sin
g in
5-P
in S
OT-
23A
an
d 8
-Pin
SO
IC P
ack
age
s
•O
utp
uts
Te
mpe
ratu
re a
s a
13-B
it D
igita
l Wo
rd
•S
PI a
nd
MIC
RO
WIR
E™
Co
mpa
tible
Inte
rfa
ce
•S
olid
Sta
te T
empe
ratu
re S
en
sing
•±1
°C (
max
.) a
ccu
racy
from
+25
°C to
+65
°C
•±2
°C (
max
.) a
ccu
racy
fro
m -
40°
C to
+85
°C
•±3
°C (
max
.) a
ccu
racy
from
-55
°C to
+12
5°C
•2.
7V
to 5
.5V
Ope
ratin
g R
ang
e
•Lo
w P
ow
er
-25
0µ
A (
typ.
) C
ontin
uo
us C
onve
rsio
n M
ode
-0.
1µ
A (
typ.
) S
hut
dow
n M
ode
Typ
ica
l Ap
plic
ati
on
s
•T
herm
al P
rote
ctio
n fo
r H
ard
Dis
k D
rive
s a
nd
Oth
er P
C P
erip
hera
ls
•P
C C
ard
Dev
ices
for
No
teb
ook
Com
pute
rs
•Lo
w C
ost T
herm
ost
at C
ont
rols
•In
dust
rial C
ontr
ol
•O
ffice
Equ
ipm
ent
•C
ellu
lar
Ph
one
s
•T
herm
isto
r R
epla
cem
ent
Blo
ck
Dia
gra
m
De
sc
rip
tio
n
The
TC
77
is a
se
rially
acc
ess
ible
dig
ital
tem
per
atu
rese
nso
r pa
rtic
ula
rly
suite
d fo
r lo
w c
ost
and
sm
all
form
-fa
ctor
ap
plic
atio
ns.
Tem
pera
ture
dat
a is
co
nve
rte
d fr
om
the
in
tern
al t
he
rmal
se
nsin
g e
lem
en
t a
nd m
ade
ava
il-a
ble
at
anyt
ime
as
a 1
3-b
it tw
o’s
co
mp
lime
nt
dig
ital
wor
d. C
om
mu
nica
tion
with
th
e T
C7
7 is
acc
ompl
ish
edvi
a a
SP
I an
d M
ICR
OW
IRE
co
mpa
tible
inte
rfa
ce. I
t has
a 1
2-b
it pl
us
sign
te
mp
era
ture
res
olu
tion
of
0.0
625
°Cpe
r L
east
Sig
nifi
cant
Bit
(LS
b). T
he
TC
77 o
ffers
a te
m-
pera
ture
acc
ura
cy o
f ±1
.0°C
(m
ax.)
ove
r th
e te
mp
era
-tu
re r
ange
of
+25
°C t
o +
65
°C.
Wh
en o
pera
ting,
the
TC
77 c
on
sum
es o
nly
250
µA
(ty
p.)
. T
he T
C77
’s C
on-
figu
ratio
n
reg
iste
r ca
n
be
u
sed
to
activ
ate
th
e lo
wp
ower
Shu
tdow
n m
od
e, w
hic
h h
as
a c
urr
ent
con
sum
p-
tion
of o
nly
0.1
µA
(ty
p.)
. Sm
all
size
, lo
w c
ost
an
d ea
seo
f use
ma
ke th
e T
C77
an
ide
al c
hoic
e fo
r im
ple
me
ntin
gth
erm
al m
ana
gem
en
t in
a v
ari
ety
of s
yste
ms.
Pa
ck
ag
e T
yp
es
Typ
ica
l Ap
plic
ati
on
TC
77D
iod
e Te
mpe
ratu
reS
en
sor
VD
D
SC
K
CS
Se
rial
Por
tIn
terf
ace
SI/O
13-
Bit
Sig
ma
Del
taA
/D C
onve
rter
Reg
iste
rTe
mpe
ratu
re
Reg
iste
r
Inte
rnal
Con
figur
atio
n
Man
ufa
ctu
rer
ID R
egis
ter
VS
S
SO
T-2
3-5
1
SO
IC
1V
DD
VS
S
SC
KS
I/O
CS
TC
77T
C77
SC
K
SI/
O
VS
S
NC
CS
VD
D
NC
NC
AN
0
SC
K
SD
I
CS
SC
K
SI/O
TC
77
0.1
µF
VD
D
VS
S
VD
D
PIC
®
MC
U
Th
erm
al S
enso
r w
ith
SP
I In
terf
ace
TC
77
DS
20
09
2B
-pa
ge
2
20
02
-20
12
Mic
roch
ip T
ech
no
log
y In
c.
1.0
EL
EC
TR
ICA
L
CH
AR
AC
TE
RIS
TIC
S
1.1
Ab
so
lute
Ma
xim
um
Ra
tin
gs
†
VD
D..
.....
.....
.....
.....
......
......
.....
.....
.....
....
......
......
....
...6.
0V
All
inp
uts
an
d o
utp
uts
w.r.
t. V
SS
.....
-0.3
V to
VD
D +
0.3
V
Sto
rag
e te
mp
erat
ure
......
......
.....
.....
....
-65°
C t
o +
150
°C
Am
bien
t te
mp
. with
po
wer
ap
plie
d..
...-
55°C
to
+12
5°C
Junc
tion
Te
mp
era
ture
......
.....
......
.....
......
.....
......
..15
0°C
ES
D p
rote
ctio
n o
n a
ll p
ins:
Hum
an B
ody
Mod
el (
HB
M).
.....
.....
.....
.....
.....
....
>4
kV
Ma
chin
e M
ode
l (M
M).
......
....
.....
......
.....
......
.....
>20
0V
†
No
tice
: S
tre
sse
s a
bo
ve
tho
se
liste
d
un
de
r "M
axi
mu
mR
atin
gs"
ma
y ca
use
pe
rma
ne
nt d
am
ag
e to
the
de
vice
. Th
is is
a s
tre
ss r
atin
g o
nly
an
d f
un
ctio
na
l o
pe
ratio
n o
f th
e d
evi
ce a
tth
ose
or
an
y o
the
r co
nd
itio
ns
ab
ove
th
ose
in
dic
ate
d i
n t
he
op
era
tion
list
ing
s o
f th
is s
pe
cific
atio
n is
no
t im
plie
d. E
xpo
sure
to m
axi
mu
m r
atin
g co
nd
ition
s fo
r e
xte
nd
ed p
erio
ds
ma
y af
fect
de
vice
re
liab
ility
.
PIN
FU
NC
TIO
N T
AB
LE
Na
me
Fu
nc
tio
n
SI/O
Ser
ial D
ata
Pin
SC
KS
eria
l Clo
ck
VS
SG
roun
d
CS
Chi
p S
ele
ct (
Act
ive-
Low
)
NC
No
Co
nne
ctio
n
VD
DP
ower
Sup
ply
DC
CH
AR
AC
TE
RIS
TIC
SE
lec
tric
al S
pec
ific
atio
ns:
Unl
ess
oth
erw
ise
not
ed,
all
para
me
ters
ap
ply
at V
DD
= 2
.7V
to
5.5
V a
nd
T A =
-5
5°C
to +
125
°C.
Par
amet
ers
Sy
mM
inTy
pM
axU
nit
sC
on
dit
ion
s
Po
wer
Su
pp
ly
Op
era
ting
Vo
ltag
e R
ang
eV
DD
2.7
—5
.5V
No
te1
Op
era
ting
Cur
rent
I DD
—2
5040
0µ
AC
ontin
uou
s Te
mp
era
ture
Con
vers
ion
Mo
de
Pow
er-O
n R
ese
t Thr
esho
ldV
PO
R1
.21
.62.
2V
VD
D fa
llin
g o
r ris
ing
ed
ge
Sta
ndby
Sup
ply
Cur
rent
I DD
-
STA
ND
BY
—0
.11
.0µ
AS
hut
do
wn
Mo
de
Tem
per
atu
re t
o B
its
Co
nve
rte
r
Res
olut
ion
—13
—B
itsA
DC
LS
b =
0.0
625°
C/b
it (N
ote
4)
Tem
pera
ture
Con
vers
ion
Tim
et C
T—
300
400
ms
Tem
pera
ture
Acc
urac
y (N
ote
1)T
ER
R-1
.0-2
.0-3
.0
— — —
+1.
0+
2.0
+3.
0
°C+
25°C
< T
A <
+65
°C-4
0°C
< T
A <
+85
°C-5
5°C
< T
A <
+12
5°C
TC
77-3
.3M
XX
: VD
D =
3.3
VT
C77
-5.0
MX
X: V
DD
= 5
.0V
No
te 1
:T
he T
C7
7-3
.3M
XX
an
d T
C77
-5.0
MX
X w
ill o
pera
te fr
om
a s
up
ply
volta
ge
of 2
.7V
to 5
.5V
. Ho
wev
er,
the
tem
-pe
ratu
re a
ccu
racy
of t
he T
C77
-3.3
MX
X a
nd
TC
77-5
.0M
XX
is s
pe
cifie
d a
t the
nom
ina
l op
era
ting
vo
ltage
s o
f 3.
3V a
nd
5.0
V, r
espe
ctiv
ely
. As
VD
D v
arie
s fr
om th
e n
om
ina
l op
era
ting
va
lue,
th
e a
ccur
acy
ma
y be
de
grad
ed
(Ref
er to
Fig
ure
s2-
6 an
d 2
-7).
2:A
ll tim
e m
easu
rem
ent
s a
re m
easu
red
with
re
spec
t to
the
50
% p
oin
t of
the
sig
nal.
3:Lo
ad
Ca
paci
tanc
e, C
L =
80
pF,
is u
sed
for
AC
tim
ing
mea
sure
me
nts
of
outp
ut
sign
als
.4:
Re
solu
tion
= T
em
pera
ture
Ran
ge/N
o. o
f Bits
= (
+2
55°C
– -
256°
C)
/ (2
13 )
Res
olu
tion
= 5
12/8
19
2 =
0.0
625
°C/B
it
Page 30
2
00
2-2
01
2 M
icro
chip
Te
chn
olo
gy
Inc.
DS
20
09
2B
-pa
ge
3
TC
77
Dig
ital
Inp
ut/
Ou
tpu
t
Hig
h Le
vel I
nput
Vol
tage
VIH
0.7
VD
D—
VD
D +
0.3
V
Low
Lev
el In
put V
olta
geV
IL-0
.3—
0.3
VD
DV
Hig
h Le
vel O
utpu
t Vol
tage
VO
H2.
4—
—V
I OH
= -
400
µA
Low
Lev
el O
utpu
t Vol
tage
VO
L—
—0.
4V
I OL
= +
2m
A
Inpu
t Cur
rent
I IN(0
),
I IN(1
)
-1.0
-1.0
— —+
1.0
+1.
0µA
VIN
= G
ND
VIN
= V
DD
Inpu
t Hys
tere
sis
0.35
0.8
—V
SI/O
, SC
K
Pin
Cap
acita
nce
CIN
, CO
UT
—20
—pF
Tri-s
tate
Out
put L
eaka
geC
urre
ntI O
_LE
AK
-1.0 —
— —— +1.
0µA
VO
= G
ND
VO
= V
DD
Ser
ial P
ort
AC
Tim
ing
(N
ote
s2,
3)
Clo
ck F
requ
ency
f CLK
DC
—7.
0M
Hz
CS
Fal
l to
Firs
t Ris
ing
SC
K
Edg
e t C
S-S
CK
100
——
ns
CS
Low
to D
ata
Out
Del
ayt C
S-S
I/O—
—70
ns
SC
K F
all t
o D
ata
Out
Del
ayt D
O—
—10
0ns
CS
Hig
h to
Dat
a O
utTr
i-sta
tet D
IS—
—20
0ns
SC
K H
igh
to D
ata
In H
old
Tim
et H
D50
——
ns
Dat
a In
Set
-up
Tim
et S
U30
——
ns
Th
erm
al P
acka
ge
Res
ista
nce
The
rmal
Res
ista
nce,
SO
T23
-5 J
A—
230
—°C
/W
The
rmal
Res
ista
nce,
8L-
SO
IC J
A—
163
—°C
/W
DC
CH
AR
AC
TE
RIS
TIC
S (
CO
NT
INU
ED
)E
lec
tric
al S
pec
ific
atio
ns:
Unl
ess
oth
erw
ise
not
ed,
all
para
me
ters
ap
ply
at V
DD
= 2
.7V
to
5.5
V a
nd
T A =
-5
5°C
to +
125
°C.
Par
am
ete
rsS
ym
Min
Typ
Max
Un
its
Co
nd
itio
ns
No
te 1
:T
he T
C7
7-3
.3M
XX
an
d T
C77
-5.0
MX
X w
ill o
pera
te fr
om
a s
up
ply
volta
ge
of 2
.7V
to 5
.5V
. Ho
wev
er, t
he
tem
-pe
ratu
re a
ccu
racy
of t
he T
C77
-3.3
MX
X a
nd
TC
77-5
.0M
XX
is s
pe
cifie
d a
t the
nom
ina
l op
era
ting
vo
ltage
s o
f 3.
3V a
nd
5.0
V, r
espe
ctiv
ely
. As
VD
D v
arie
s fr
om th
e n
om
ina
l op
era
ting
va
lue,
th
e a
ccur
acy
ma
y be
de
grad
ed
(Ref
er to
Fig
ure
s2-
6 an
d 2
-7).
2:A
ll tim
e m
easu
rem
ent
s a
re m
easu
red
with
re
spec
t to
the
50
% p
oin
t of
the
sig
nal.
3:Lo
ad
Ca
paci
tanc
e, C
L =
80
pF,
is u
sed
for
AC
tim
ing
mea
sure
me
nts
of
outp
ut
sig
nals
.4:
Re
solu
tion
= T
em
pera
ture
Ran
ge/N
o. o
f Bits
= (
+2
55°C
– -
256
°C)
/ (2
13 )
Res
olu
tion
= 5
12/8
19
2 =
0.0
625
°C/B
it
TC
77
DS
20
09
2B
-pa
ge
4
20
02
-20
12
Mic
roch
ip T
ech
no
log
y In
c.
FIG
UR
E 1
-1:
Tim
ing
Dia
gram
s.
CS
SC
K
1/f
CL
K
SI/
O
t DO
LS
bt DIS
HI-
Z
Dat
a O
utp
ut
Tim
ing
MS
b
t CS
-SI/O
t HD
t SU
SI/
O
SC
K
CS
HI-
ZS
I/O
SC
K
CS
HI-
Z
t HD
t SU
HI-
Z
t CS
-SC
K
SI/
O D
ata
Inp
ut
Set
-up
an
d H
old
Tim
ing
(D
ata
is c
lock
ed o
n t
he
risi
ng
ed
ge
of
SC
K)
Page 31
2
00
2-2
01
2 M
icro
chip
Te
chn
olo
gy
Inc.
DS
20
09
2B
-pa
ge
9
TC
77
3.1
Tem
pe
ratu
re D
ata
Fo
rma
t
A 1
3-b
it tw
o’s
co
mp
lem
en
t di
gita
l wor
d is
use
d t
o r
ep-
rese
nt t
he
tem
pe
ratu
re. T
he L
east
Sig
nifi
can
t Bit
(LS
b)
is e
qu
al to
0.0
625
°C. N
ote
tha
t th
e la
st tw
o L
Sb
bits
(B
it0
and
1)
are
tri-
sta
ted
an
d a
re r
epre
sent
ed
as
a lo
gic
‘1’
in t
he ta
ble
. B
it 2
is s
et
to lo
gic
‘1’ a
fter
the
com
ple
tion
of t
he
fir
st t
em
per
atu
re c
onv
ersi
on
fo
llow
ing
a p
owe
r-up
or
volta
ge
re
set
eve
nt.
TAB
LE
3-1
:T
C77
OU
TP
UT
An
ove
r-te
mp
era
ture
co
nditi
on
can
be
dete
rmin
ed
byre
adi
ng
onl
y th
e fi
rst f
ew M
ost
Sig
nific
ant B
its (
MS
b) o
fth
e te
mp
era
ture
dat
a. F
or e
xam
ple
, th
e m
icro
pro
cess
or
cou
ld r
ead
on
ly t
he
fir
st f
our
bits
of
the
Te
mp
era
ture
reg
iste
r in
ord
er to
de
term
ine
tha
t an
ove
r-te
mp
erat
ure
con
ditio
n e
xist
s.
3.2
Po
we
r-U
p A
nd
Po
we
r-D
ow
n
The
TC
77 i
s in
the
Con
tinu
ous
Tem
per
atu
re C
onve
r-si
on m
od
e a
t po
wer
-up
. Th
e fir
st v
alid
tem
pe
ratu
re c
on-
vers
ion
will
be
ava
ilabl
e a
ppro
xim
ate
ly 3
00
ms
(ref
er
to“T
em
per
atu
re to
Bits
Co
nver
ter”
sec
tion
liste
d in
the
DC
cha
ract
eri
stic
s ta
ble)
afte
r po
wer
-up.
Bit
2 o
f th
e Te
m-
pera
ture
reg
iste
r is
set
to a
log
ic ‘1
’ afte
r th
e co
mp
letio
nof
th
e f
irst
te
mp
era
ture
co
nver
sio
n f
ollo
win
g a
pow
er-
up o
r vo
ltag
e re
set e
vent
. B
it 2
is s
et
to lo
gic
‘0’ d
uri
ngth
e ti
me
ne
ede
d to
co
mp
lete
the
first
tem
pera
ture
con
-ve
rsio
n. T
hus
, th
e st
atu
s o
f b
it 2
can
be
mo
nito
red
to
ind
icat
e th
e co
mp
letio
n o
f the
firs
t te
mp
era
ture
con
ver-
sion
.
A s
up
ply
volta
ge lo
wer
than
1.6
V (
typ.
) is
co
nsid
ere
d a
pow
er-d
ow
n st
ate
for
the
TC
77.
Th
e d
evic
e w
ill r
ese
tits
elf
and
con
tinu
e its
no
rma
l C
ontin
uou
s C
onve
rsio
nm
ode
of o
per
atio
n w
hen
the
su
ppl
y vo
ltag
e r
ises
ab
ove
the
no
min
al
1.6
V.
A m
inim
al
sup
ply
volta
ge
of
2.7
V i
sre
qu
ired
in
ord
er
to e
nsu
re p
rop
er o
pe
ratio
n o
f th
ede
vice
.
3.3
Se
ria
l B
us
Inte
rfa
ce
The
se
rial
in
terf
ace
con
sist
s of
the
Chi
p S
ele
ct (
CS
),S
eria
l Clo
ck (
SC
K)
and
Ser
ial D
ata
(S
I/O)
sig
nals
. The
TC
77 m
ee
ts t
he S
PI
and
MIC
RO
WIR
E b
us s
pec
ifica
-tio
ns,
with
th
e s
eria
l int
erf
ace
des
ign
ed t
o b
e c
om
pati-
ble
with
the
Mic
roch
ip P
IC®
fam
ily o
f mic
roco
ntr
olle
rs.
The
CS
inp
ut i
s us
ed to
se
lect
the
TC
77
wh
en
mu
ltip
led
evic
es a
re c
onn
ect
ed
to t
he
seria
l cl
ock
and
da
talin
es. T
he
CS
lin
e is
als
o u
sed
to s
ynch
ron
ize
the
da
ta,
wh
ich
is w
ritte
n to
, or
read
from
, the
dev
ice
wh
en
CS
ise
qual
to
a lo
gic
‘0’ v
olta
ge.
Th
e S
CK
inpu
t is
dis
able
dw
hen
CS
is a
logi
c ‘1
’. T
he
fal
ling
edg
e o
f th
e C
S li
nein
itia
tes
com
mu
nica
tion
, w
hile
th
e r
isin
g ed
ge
of
CS
com
ple
tes
the
co
mm
unic
atio
n.
The
SC
K i
np
ut i
s p
rovi
ded
by
the
ext
ern
al m
icro
con
-tr
olle
r a
nd
is u
sed
to s
ynch
roni
ze t
he
dat
a o
n th
e S
I/O
line.
The
Te
mp
era
ture
and
Ma
nuf
act
ure
r ID
re
gis
ters
are
rea
d o
nly
whi
le th
e C
onfig
ura
tion
reg
iste
r is
a r
ead
/w
rite
reg
iste
r.
Fig
ure
3-2
pro
vide
s a
timin
g d
iagr
am o
f a
read
ope
ra-
tion
of t
he T
empe
ratu
re r
egis
ter.
Com
mu
nica
tion
with
the
TC
77 i
s in
itiat
ed
whe
n t
he
CS
goe
s to
a l
ogic
‘0
’.T
he
Ser
ial I
/O s
igna
l (S
I/O)
the
n tr
ansm
its th
e fir
st b
it of
data
. T
he m
icro
cont
rolle
r se
rial
I/O b
us
mas
ter
clo
cks
the
dat
a in
on
the
ris
ing
ed
ge o
f S
CK
. T
he f
allin
g ed
ge
of S
CK
is
then
use
d to
clo
ck o
ut
the
rest
of
the
dat
a.A
fter
14
bits
of d
ata
(th
irte
en te
mpe
ratu
re b
its a
nd B
it 2)
have
be
en tr
ansm
itted
, th
e S
I/O li
ne is
then
tri-s
tate
d.
No
te th
at C
S c
an
be
take
n to
a lo
gic
‘1’ a
t an
y tim
e d
ur-
ing
the
dat
a tr
ansm
issi
on
if o
nly
a p
ortio
n o
f the
tem
per-
atu
re
da
ta
info
rma
tion
is
req
uire
d.
Th
e T
C7
7 w
illco
mp
lete
th
e co
nve
rsio
n,
an
d th
e o
utp
ut
shift
re
gist
er
will
be
up
dat
ed
, if C
S g
oes
to th
e in
activ
e st
ate
whi
le in
the
mid
dle
of a
co
nve
rsio
n.
Fig
ure
3-3
pro
vid
es a
tim
ing
dia
gra
m o
f a
mul
ti-b
yte
com
mun
ica
tion
op
era
tion
co
nsis
ting
of
a r
ead
of t
heTe
mp
erat
ure
Dat
a r
egi
ster
, fo
llow
ed b
y a
writ
e to
the
Con
figu
ratio
n re
gis
ter.
The
fir
st 1
6 S
CK
pu
lse
s ar
eu
sed
to t
rans
mit
the
TC
77's
te
mp
era
ture
dat
a t
o t
hem
icro
con
tro
ller.
Th
e se
con
d g
rou
p o
f 1
6 S
CK
pu
lses
are
use
d t
o re
ceiv
e t
he m
icro
con
trol
ler
com
ma
nd
top
lace
the
TC
77 e
ithe
r in
Sh
utd
own
or
Con
tinu
ous
Tem
-p
era
ture
Co
nve
rsio
n m
ode
. No
te th
at t
he T
C77
is in
the
Con
tinu
ous
Tem
per
atu
re C
onve
rsio
n m
od
e a
t p
owe
r-u
p.
The
da
ta w
ritte
n t
o t
he
TC
77
’s C
onf
igur
atio
n re
gist
er
sho
uld
be
eith
er
all 0
’s o
r a
ll 1
’s,
corr
esp
ond
ing
to
eith
er
the
C
ontin
uo
us
Tem
per
atu
re
Con
vers
ion
o
rS
hutd
own
mo
de,
re
spe
ctiv
ely
. T
he T
C77
is
in S
hut
-d
own
mo
de w
hen
Bits
C0
to C
7 a
re a
ll eq
ual t
o 1
’s. T
heT
C77
will
be
in th
e C
ontin
uou
s C
onve
rsio
n m
ode
if a
‘0’
in a
ny b
it lo
catio
n f
rom
C0
to
C7
is
wri
tten
to
the
Con
figu
ratio
n re
gist
er.
Tem
pe
ratu
reB
inar
yM
SB
/ L
SB
Hex
+12
5°C
0011 1110 1000 0111
3E 8
7h
+25
°C0000 1100 1000 0111
0B 8
7h
+0.
0625
°C0000 0000 0000 1111
00
0F
h
0°C
0000 0000 0000 0111
00
07
h
-0.0
625
°C1111 1111 1111 1111
FF
FF
h
-25°
C1111 0011 1000 0111
F3
87h
-55°
C1110 0100 1000 0111
E4
87
h
TC
77
DS
20
09
2B
-pa
ge
10
2
00
2-2
01
2 M
icro
chip
Te
chn
olo
gy
Inc.
FIG
UR
E 3
-2:
Tem
pera
ture
Rea
d T
imin
g D
iag
ram
- (
Rea
ding
onl
y th
e fir
st 1
3 B
its o
f th
e
Tem
pera
ture
Reg
iste
r).
FIG
UR
E 3
-3:
Tem
pera
ture
Rea
d F
ollo
wed
By
A W
rite
To
The
Con
figu
ratio
n R
egi
ster
Tim
ing
. D
iagr
am.
It is
rec
omm
end
ed
tha
t th
e u
ser
wri
te a
ll ‘0
’s o
r a
ll ‘1
’sto
the
Co
nfig
ura
tion
reg
iste
r. W
hile
the
follo
win
g c
od
esca
n b
e t
ran
smitt
ed t
o th
e T
C77
, a
ny o
ther
cod
e m
aypu
t the
TC
77 in
to a
test
mod
e re
serv
ed b
y M
icro
chip
for
calib
ratio
n a
nd p
rod
uctio
n ve
rific
atio
n t
ests
.
•00
hex
•01
hex
•03
hex
•07
hex
•0F
hex
•1F
hex
•3F
hex
•7F
hex
•F
F h
ex
The
fo
llow
ing
com
mu
nica
tion
ste
ps c
an
be
used
to
obt
ain
the
Man
ufa
ctu
rer's
ID a
nd
pu
t th
e d
evic
e in
to th
eC
ontin
uo
us C
onve
rsio
n m
od
e. T
he M
anu
fact
ure
r’s
IDre
gis
ter
is o
nly
acc
essi
ble
fo
r a
re
ad o
per
atio
n, i
f th
eT
C77
is in
Shu
tdo
wn
mo
de.
1.
CS
go
es
low
to in
itia
te th
e c
om
mun
ica
tion
cyc
le.
2.
Re
ad
16
b
its
of
tem
per
atu
re
da
ta
fro
m
the
Tem
pera
ture
reg
iste
r.
3.
Writ
e 16
bits
of d
ata
(i.e
. XX
FF
hex
) to
the
Con
-fig
urat
ion
regi
ster
to
ente
r S
hutd
own
mo
de.
4.
Rea
d th
e 16
bits
from
the
Man
ufa
ctu
rer's
ID r
eg-
iste
r (C
15:C
8 =
54
he
x) t
o ve
rify
that
the
sen
sor
is a
Mic
roch
ip d
evi
ce.
5.
Wri
te 8
to
16
bits
of
da
ta (00
or 0000
he
x) t
oe
nte
r C
on
tinuo
us
Co
nver
sion
Mo
de.
6.
Ret
urn
CS
hig
h to
term
ina
te t
he c
omm
uni
catio
ncy
cle.
The
tim
e b
etw
een
a c
ompl
ete
te
mp
era
ture
co
nve
rsio
na
nd d
ata
tra
nsm
issi
on
is a
ppro
xim
ate
ly 3
00m
sec.
CS
CL
K
SI/
O
t CS
-SC
K
HI-
ZH
I-Z
TT
T1
211
10
T 9T 7
T 6T 5
T 4T 3
T 2T 1
T 0
18
13
T 8
CS
CL
K
SI/
O
t CS
-SC
K
HI-
Z
18
88
81
HI-
Z
11
HI-
Z
TE
MP
ER
AT
UR
E R
EG
IST
ER
No
tes:
1.
Bit
2
=
0
du
rin
g
po
we
r-u
p
for
the
fir
stte
mp
era
ture
co
nve
rsio
n.
2.
Bit
2 =
1 a
fte
r th
e c
om
ple
tion
of
the
firs
t te
m-
pe
ratu
re c
on
vers
ion
fol
low
ing
po
we
r-u
p o
r a
rese
t e
ven
t.3
.B
its 1
an
d 0
are
“D
ON
”T C
AR
ES
”.
CO
NF
IGU
RA
TIO
N R
EG
IST
ER
No
tes:
1.
XX
00
= C
on
tinu
ou
s C
on
vers
ion
Mo
de
2.
XX
FF
= S
hu
tdo
wn
Mo
de
T 12
T 11T 10
T 9T 8
T 7T 6
T 5T 4
T 3T 2
T 1T 0
BIT 2
C 15
C 14
C 13
C 12
C 11C 10
C 9C 8
C 7C 6
C 5C 4
C 3C 2
C 1C 0
Page 32
19www.excelitas.com
DIGITAL DUAL ELEMENT PYROSFOR MOTIONSENSINGPYD 1788, PYD 1798 – DigiPyro®
pYroeleCtriC deteCtors For motion sensing
PYD 1788, PYD 1798 – DigiPyro®
Responsivity, min.Responsivity, typ.Match, max. NoiseField of view, horizontalField of view, verticalWLIHeightOptical element locationFilter sizeDigital DataOperating voltageSupply current
Serial interface update timeADC resolutionOutput data formatADC sensitivity ADC output offsetADC output offset, typ.
Parameter Symbol
Rmin
RMmax
N, Nmax
FoVFoV
hhe / hoX / Y
VDD
IDD
IDDmax
tREP
PYD 1798
3.34
10 78/20110°110°***4.2
3.1 / 0.75.2 / 4.2
2.7 … 3.61015
2/1314
2x146 … 7
7000 …92008192
PYD 1788
3.34
10 78/2095°90°**4.2
3 .1/ 0.74.6 / 3.4
2.7 … 3.61015
2/1314
2x146 … 7
7000 …92008192
Unit
kV/WkV/W
% µVpp
mmmmmm
VµAµAmsBitsBits
µV/countCountsCounts
Remark
f = 1 Hzf = 1 Hz
unobstructed unobstructed
Excelitas tester
VDD = 3.3 VVDD = 3.3 V
speed/interrupt
MSB first
* Standard, ** Improved, *** Excellent
applications
• Passive intrusion alarm
• Auto light switch
• Auto lamps
Features and Benefits
• TO-5 metal housing
• Digital direct link
• Different window sizes
• Excellent EMI protection
product descriptionThe DigiPyro® detector range in TO-5 housing includes 3 variations of Dual Element types, each with a different window size. The element configurations are identical, as well as the internal elec-tronic circuits. Whereas the PYD 1778 represents the lower-cost version with a small window, the PYD 1798 is provided as the superior type in terms of White Light Immunity (WLI) performance and field of view. The output signals are communicated in one 15-bit digital bit stream output via a single wire “direct link” connection to a suitable host microprocessor.
All dimensions in mm
0211-741.jb18 XLTS_CAT Infrared Sensing.indd 19 3/22/11 10:49 AM
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Projets EITI / 2016-2017
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