LM4930_14 datasheet(3/41 Pages) TI1

Il numero della parte	LM4930

Spiegazioni elettronici	Audio Power Amplifier Series Audio Subsystem with Stereo Headphone & Mono Speaker Amplifiers

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Produttore elettronici	TI1 [Texas Instruments]

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L4930LQ

N

MIC_BIAS

MIC_N

MIC_P

MIC_REF

AVDD_LS

DAC_REF

BYPASS

SDA

SCL

PCM_SYNC

NC

LS-

LS+

AVDD_HP

HPSENSE_OUT

HPSENSE_IN

DGND_D

XTAL_OUT

MCLK/XTAL_IN

DVDD_D

13

2

1

AVDD_MIC

ADDR

3

5

4

9

8

7

6

12

11

10

23

22

21

20

19

18

17

16

15

14

34

33

32

31

30

29

28

27

26

25

24

44

35

36

37

38

39

40

41

42

43

LM4930

www.ti.com

SNAS212B – MAY 2004 – REVISED SEPTEMBER 2004

Figure 4. 44 – Lead LLP (Top View)

Figure 5. 44 – Lead LLP Marking (Top View)

Table 2. Pin Descriptions

A1

MIC_P

Microphone positive differential input

A2

MIC_N

Microphone negative differential input

A3

AVDD_MIC

Analog Vdd for microphone preamp

A4

DAC_REF

D/A converter reference voltage

A5

SDA

Two-wire control interface serial data pin

A6

SCL

Two-wire control interface serial clock pin

B1

AGND_MIC

Analog ground for microphone preamp

B2

MIC_BIAS

Microphone bias supply output (2V)

B3

MIC_REF

Internal fixed-reference bypass capacitor decoupling pin

B4

ADDR

Control bus address select pin

B5

PCM_SDI

PCM serial data in

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