LA7471M 데이터 시트보기 (PDF) - SANYO -> Panasonic
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LA7471M Datasheet PDF : 10 Pages
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Pin No.
Function
30
EXT in
34
LA7471M
Internal Circuit
DC Voltage
Unit (resistance: Ω)
Description
2.1 V
External microphone input
The input impedance is 75 kΩ.
31
Mic VCC
32 Ripple filter
33 GND
35
Input select
CTL1
2.8 V
Power supply for the internal microphone
2.1 V
This pin is used to exclude ripple from internal
circuits. Connect a capacitor and a resistor of 75 kΩ
externally to exclude ripple.
0
Internal/external switch
Control pin used to determine stereo or monophonic
operation
No. 4488-9/10
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