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LA72680M Datasheet(PDF) 8 Page - Sanyo Semicon Device

Part No. LA72680M
Description  JAPAN TV Sound Multiplex Demodulation HiFi Sound Signal Processor
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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LA72680M
No.7955-8/21
Continued from preceding page.
DC voltage
Pin
No.
Pin Function Name
AC level
Function
Equivalent circuit
8
ALC detection terminal
for RF converter
DC;
This is ALC detector terminal for RF
converter and always ready for operation.
2k
10
25
35
50
70
79
L-GND
HEADAMP-GND
LOGIC-GND
R-GND
MTS-GND
AUDIO-GND
12
74
Monitor input
terminal(L)
Monitor input
terminal(R)
DC ; 2.5V
Monitor input terminal
200
Vref
DC ; 2.2V
13
48
Input changeover
switch output(L)
Input changeover
switch output(L)
AC; -21.2dBv
PB/REC switch output to transform REC and
PB signals into DC through a coupling
capacitor.
REC:ON
PB:ON
400
DC; 2.5V
14
47
ALC input terminal(L)
ALC input terminal(R)
AC; -21dBv
ALC input terminal after passing through a
coupling capacitor.
REC:ON
PB:ON
400
Vref
16
1/2 VCC terminal
DC; 2.5V
1/2 VCC terminal.
500
500
Continued on next page.




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