LA74309TT

No.A0903-3/5

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

ILA07158

2

7

8

ALC

MIC VCC

VCCA

3.0V

VCC3.3V

DET

CHARGE

2.2k

Ω

6

LPF

REG

3

4

5

1

9

10

VREF

MIC

MIC IN

STANDBY

CTL

GND

REC OUT

4.7

µF

0.47

µF

0.01

µF

0.01

µF

-

+