LA74308LP 查看數據表（PDF） - SANYO -> Panasonic

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LA74308LP

Audio Interface for DSC

SANYO -> Panasonic 

LA74308LP

Block Diagram

T16

T17

MIC

600Ω A SW17

IN

MIC OUT A

SW16

B

T14

SW14

BA

∼

B

6.2kΩ

0.01µF

0.1µF

ALC IN

Rg=1kΩ

∼

+

4.7µF

VCCSP

T22

3.3V

SW18

6.2kΩ

18

17

16

15

14

VREF

2.2kΩ

19

MIC VCC

+17dB

+-

R

100kΩ

P

+17dB ALC

VREF

20

+18dB

PR

REC:50kΩ/PB:200kΩ

T21

VREF

LPF

21

charging circuit

SPK8Ω

+ 0.47µF

13

DET

12

+9dB

11

+

10

PB IN

+

1µF

22

+-

23

9

EVR

+8dB

MUTE CTL

MUTE 10Ω

8

A GND

T12

REC OUT

T11

VCCA T10

0.1µF

BA

SW10

Rg=1kΩ

∼

DATA

T23

24

+8dB

LOGIC

2kΩ

7

T7 (CLOCK)

SPK GND

1

2

3

4

5

6

T6

0.1µF

C.S

0.1µF T2

22kΩ

V3

T3

STANDBY CTL

T5

LINE OUT

No.A0898-11/16

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