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LA72710V Datasheet(PDF) 4 Page - Sanyo Semicon Device

Part No. LA72710V
Description  Multi Channel Television Sound Decoder
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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LA72710V
No.A0237-4/10
Pin Functions
Pin No.
Pin Name
Function
DC voltage
AC level
Equivalent Circuit
1
AMDET
Reference terminal of AM detection.
2
3
16
DCFIL1
DCFIL1
DCFIL1
Absorbing the DC offset of signal line by
external capacity.
DC: 2.4V
4
FMFIL
Filter terminal for making stable DC voltage of
FM detection output in SIF part.
Normally, use a condenser of 1
ĀµF. Increase the
capacity value with concerning frequency
characteristics of low level.
5
SIFIN
Input terminal for SIF.
The input impedance is about
5k
ā„¦. Be care for about pattern layout of the
input circuit, because of causing buzz-beat and
buzz by leaking noise signal into the input
terminal. (The noise signal depending on sound
is particularly video signal and chroma signal
and so on. VIF carrier becomes noise signal.)
6
GND
7
JCKO
20dB amplifier output for JUST CLOCK.
DC: 3.8V
8
CMPIN
Comparator input for JUST CLOCK.
DC: 3.8V
Continued on next page




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