LA74308LP_08 Datasheet, PDF (14/16 Pages) Sanyo Semicon Device – Audio Interface for DSC

LA74308LP
Continued from preceding page.
PIN
Pin Name DC voltage
9
GND
0V
10
PB IN
1.5V
AC voltage
Reference input level
=-17dBV
Description of functions
GND pin
PB input pin
Equivalent circuit diagram in pin
VCC(=3.0V)
49.5kΩ
500Ω
10
11
VCC
12
REC OUT
3V
1.5V
Reference input level
=-9dBV
Power supply pin
R output pin
13
ALC DET
ALC detection pin
VCC(=3.0V)
500Ω
11kΩ
12
6kΩ
VREF
VCC(=3.0V)
1kΩ
13
500Ω
14 ALC IN (REC)
1.5V
Reference input level
=-53dBV
ALC input pin
Max input level
=-8dBV
EVR IN (PB)
1.5V
14
EVR input pin
15
HPF
1.5V
Used when forming the 2nd order
HPF
VCC(=3.0V)
500Ω
REC:50kΩ
PB:200kΩ
VREF
VCC(=3.0V)
100kΩ
15
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