Sanyo LA7710 Specifications
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
Monolithic Linear IC
SECAM, PAL (Quasi-Parallel)
Audio IF Circuit
Ordering number:ENN1848B
LA7710
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Overview
The LA7710 is a SECAM (audio IF, electronic volume
control, AF preamplifier) / PAL (quasi-parallel audio IF
circuit) dual system IC that is packaged in a 16-pin DIP
package. The LA7710 is applicable to the SECAM or PAL
system by changing over the AGC system (pin 3 is brought
to open state or grounded).
Functions
• IF amplifier.
• Detector.
• IF AGC (peak AGC, average AGC).
• Electronic volume control.
• AF preamplifier.
• PAL/SECAM switch.
Features
• Used as SECAM audio IF circuit by bringing pin 3 to
open state. Also used as PAL quasi-parallel audio IF circuit by grounding pin 3.
• Electronic volume control : 0dB output available.
Package Dimensions
unit:mm
3006B-DIP16
[LA7710]
16
1
19.2
0.71 2.54
0.48
9
6.4
7.62
0.25
8
3.0
3.65max
3.4
1.2
SANYO : DIP16
Specifications
Maximum Ratings at Ta = 25˚C
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egatlovylppusmumixaMV
tnerructuo-wolfmumixaM
noitapissidrewopelbawollAxamdP 009Wm
erutarepmetgnitarepOrpoT 07+ot02–
erutarepmetegarotSgtsT 521+ot55–
Operating Conditions at Ta = 25˚C
retemaraPlobmySsnoitidnoCsgnitaRtinU
egatlovylppusdednemmoceRV
egnaregatlovgnitarepOV
xam 51V
CC
I11xam 5–Am
I5xam 3–Am
I4xam 3–Am
Ta≤60˚C
CC
po 5.31ot9V
CC
O2500TN (KT)/61295HA (KOTO)/8238YT/8215KI/6105MW, TS No.1848–1/4
˚C
˚C
21V
LA7710
Operating Characteristics at Ta = 25˚C, VCC=12V, fs=39.2MHz, fp=32.7MHz
retemaraPlobmySsnoitidnoC
tnerructiucriCI
ytivitisneselbasU)N/S(iVMAdom%03-zH0049364Bd
tuptuonoitcetedegarevAsoVMAdom%03-zH004091082063Vm
N/SMACESsN/SMAdom%03-zH0042595Bd
noitrotsedtuptuonoitceteDsDHTMAdom%03-zH0045.00.1%
tupnielbawollamumixaMxamiV%2=DHT2989Vµ/Bd
egnarCGARG3696Bd
edutilpmatuptuokaePpoVMAdom%87-zHk514.17.11.2V
edutilpmatuptuoFISV
citsiretcarahcycneuqerFf
niagegatlovlortnocemulovcinortcelEcdGV1–01+Bd
noitrotsedlortnocemulovcinortcelEttaDHT 1.04.0%
noitaunetta.xamlortnocemulovcinortcelETTA0708Bd
niagegatlovreifilpmaFAfaGV719112Bd
noitrotsidreifilpmaFAfaDHT 3.00.1%
(Note ) Current direction : + : Flowing into IC
– : Flowing out of IC
Equivalent Circuit Block Diagram
21
FIS
C
Bd02:S/P0509031Vm
Bd3–57zHM
sgnitaR
nimpytxam
939436Am
tinU
Sample Application Circuits-Each system diagram and IC peripheral circuit
(1) SECAM
No.1848–2/4
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