LA74309FA Datasheet, PDF (3/5 Pages) Sanyo Semicon Device – Microphone Amplifier for Digital Still Camera

Pin assinment
LA74309FA
GND 1
ALC IN 2
STANDBY L 3
MIC OUT 4
MIC IN ⁵
LA74309FA
10 VCC
9 REC OUT
8 ALC DET
7 INT MIC VCC
6 VREF
Pin Description
Pin No.
Pin Description
1
GND
2
ALC input
3
STANDBY CTL
4
MIC output
5
MIC input
6
Ripple removal for VREF
7
Internal MIC power supply
8
ALC DET
9
REC output
10
VCC
Equivalent Circuit Block Diagram & Application Circuit
REC OUT
VCC3.3V
10
9
8
7
6
REG
LPF
VCCA
3.0V
ALC
MIC VCC
CHARGE
VREF
DET
-
+
1
2
3
4
5
GND
MIC IN
MIC
STANDBY
CTL
No.A2050-3/5