LA1260 Ordering number : EN1506D FM/AM Tuner System for Radio-Casette Recorders, Music Centers Monolithic Linear IC SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN N2897HA (KT)/33194HO/O067KI/8225MW/4045KI/8084KI, TS No.1506-1/14 Functions FM : IF amplifier, quadrature detector, AF preamplifier, tuning indicator drive output. AM : RF amplifier, MIX, OSC (with ALC), IF amplifier, Detector, AGC, tuning indicator drive. Features • Minimum number of external parts required (No AM detection coil required). • High S/N : FM 81dB AM 53dB • Low-level AM oscillator with ALC : Pin 16 OSC output MW 130mV SW 70 mV to 90 mV (7MHz) (24MHz) Package Dimensions unit : mm 3006B-DIP16 [LA1260] SANYO : DIP16 • Less AM whistle interference : Whistle 1% at input 100dB/m. • On-chip LED tuning indicator driver. • On-chip FM/AM selector. • Independent FM/AM output pins : Possible to set FM/AM frequency characteristic independently. Specifications Maximum Ratings at Ta=25°C, See specified Test Circuit. Parameter Symbol Conditions Ratings Unit Maximum supply voltage V CC max Pins 6, 12 9 V Maximum current drain I CC max Pins 6+7+12 50 mA Flow-in current I 7 Pin 7 20 mA Flow-out current I 15 Pin 15 0.1 mA Allowable power dissipation Pd max Ta≤70°C 450 mW Operating temperature Topr –20 to +70 °C Storage temperature Tstg –40 to +125 °C Operating Conditions at Ta=25°C Parameter Symbol Conditions Ratings Unit Recommended operating voltage V CC 4.5 V Operating voltage range V CC op 3.0 to 8.0 V
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FM/AM Tuner System for Radio-Casette Recorders, Music Centers · LA1260 Ordering number : EN1506D FM/AM Tuner System for Radio-Casette Recorders, Music Centers Monolithic Linear IC
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LA1260
Ordering number : EN1506D
FM/AM Tuner Systemfor Radio-Casette Recorders, Music Centers
Monolithic Linear IC
SANYO Electric Co.,Ltd. Semiconductor Bussiness HeadquartersTOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
Ambient temperature, Ta – °C Ambient temperature, Ta – °C
FM o
utpu
tvo
ltage
, V8
–
VV
olta
ge a
t pi
n 15
: V
ref,
V15
–
V
Voltage at pin 15
Quiescent
THD min,
Output voltage V18
Sens
itivi
ty
– d
Bµ
Vol
tage
at
pin
11, V
11
– V
TH
D
– %
Dis
tort
ion,
Noi
se v
olta
ge
– d
Bm
Cur
rent
dra
in,I
CC
– m
A
Det
ectio
n ou
tput
–
dB
m
OSC voltage
Detectionoutput
Noisevoltage
Voltage pin 11
Distortion
Quiescent
LED lightedsensitivity
–3dB limitingsensitivity
Current drain 80dBµ
Quiescent
LA1260
No.1506-10/14
Receiving frequency, fr – Hz
Imag
e in
terf
eren
ce
– d
BSe
nsiti
vity
–
dB
µ
Usable sensitivityS/N=20dB
Receiving frequency, fr – Hz
OSC
vol
tage
, VO
SC–
VO
SC v
olta
ge, V
OSC
– V
IEC input voltage – dBµ
Vol
tage
at p
in 1
1, V
11
– V
Tot
al h
arm
onic
dis
tort
ion,
TH
D
– %
SW OSC char.No tap
SW2 input char.
Detectionoutput 30% mod.
Noise voltage
Voltage at pin 11
LED lighted Distortio
n
Distortio
n
Voltage at pin 16
Image interference
Input at detectionoutput –30dBmMax. sensitivity
Det
ectio
n ou
tput
–
dB
m
IEC input voltage – dBµ
Vol
tage
at p
in 1
1, V
11
– V
Tot
al h
arm
onic
dis
tort
ion,
TH
D
– %
SW2 input char.
Detectionoutput 30% mod.
Noise voltage
Voltage at pin 11
LED lighted
Det
ectio
n ou
tput
–
dB
m
LA1260
No.1506-11/14
Frequency, f – MHz
Spur
ious
–
dB
OSC
fre
quen
cy
Imag
e fr
eque
ncy
8.5MHz spurious responseOutput –39dBm
(referenced to ANTinput 24.5dBµ, 8.5MHz)
ANT input voltage – dB/m
Det
ectio
n ou
tput
, Noi
se v
olta
ge
– d
Bm
Tot
al h
arm
onic
dis
tort
ion,
TH
D
– %
SW input/output char.
ANT input voltage – dBµ
Det
ectio
n ou
tput
–
dB
m
Tot
al h
arm
onic
dis
tort
ion,
TH
D
– %LED lighted
AM mod. output
Noise voltage
Distortion
Detection output
30% detectionoutput
Noise
outp
ut Dis
tort
ion
Receiving frequency, fr – MHz
Spur
ious
–
dB
OSC
fre
quen
cy
8.5MHz to 9.4MHz spurious responseOutput –30dBm
(referenced to ANTinput 24.5dBµ, 8.5MHz)
LA1260
No.1506-12/14
Sample Application Circuit 2 : FM (band in US) /MW/SW1 (2.2 to 7.5MHz) /SW2 (7.2 to 24.0MHz)
Application where the LA1185 and LA1260 are used
[Circuit Diagram] (The sample printed circuit pattern is shown on page 13.)
Uni
t (re
sist
ance
: Ω
, cap
acita
nce
: F)
L1
TN
1089
6 ba
r an
tenn
a (M
itsum
i)T
3Y
T-3
0105
(M
itsum
i)T
25.
5mm
φai
r co
re 0
.88m
m w
ire
4T R
FT
4Y
T-3
0224
(M
itsum
i)L
35.
5mm
φai
r co
re 0
.88m
m w
ire
3T O
SCT
5Y
T-3
0134
(M
itsum
i)T
1Y
T-3
0194
(M
itsum
i),
T6
YT
-301
12 (
Mits
umi)
2153
-409
5-33
9 (S
umid
a)T
7Y
T-3
0117
(M
itsum
i)T
2K
W-3
0011
(A
M M
ix)
2158
-414
0-04
4 (S
umid
a)
T4 : YT-30224 (Mitsumi)FM IF
Internal 100pF, external 5pF
LA1260
No.1506-13/14
Sample Printed Circuit Pattern : Cu-foiled area (The circuit diagram is shown on page 12.)
• Applications where a double tuning coil is used (See page 3.)The use of the following coil improves the distortion approximately 0.1% at 100% modulation.
ANT input voltage – dBµ
Det
ectio
n ou
tput
, Noi
se v
olta
ge
– d
Bm
Tot
al h
arm
onic
di
stor
tion,
TH
D
– %
Detectionoutput
AM output
Noisevoltage
Distortion
LED lighting sensitivity 11.5dBµ
(Korin Giken) (Korin Giken)
(Mitsumi) (Mitsumi)
Unit (resistance : Ω, capacitance : F)
LA1260
No.1506-14/14
No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property lose.
Anyone purchasing any products described or contained herein for an above-mentioned use shall:Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use:Not impose any responsibilty for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally.
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guarant-eed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties.
This catalog provides information as of November, 1997. Specifications and information herein are subject