LA74309FA 查看數據表（PDF） - SANYO -> Panasonic

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LA74309FA

Microphone Amplifier for Digital Still Camera

SANYO -> Panasonic 

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

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