TFA9812 datasheet(5/66 Pages) PHILIPS | BTL stereo Class-D audio amplifier with I2S input

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TFA9812 Datasheet(PDF) 5 Page - NXP Semiconductors

Part #	TFA9812

Description	BTL stereo Class-D audio amplifier with I2S input

Download	66 Pages

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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6.

Block diagram

Fig 1.

TFA9812 block diagram

15

16, 17

18, 19

10, 11

25

23, 24

26, 27

VDDP

VSSP1

22

BOOT1P

VDDP

OUT1P

VSSP2

BOOT1N

OUT1N

STAB1

BOOT2P

STAB1

CONTROL

LOGIC

20, 21

DRIVER

HIGH

12

13, 14

VDDP

VSSP2

VDDP

OUT2P

VSSP2

BOOT2N

OUT2N

STAB2

STAB2

XTALIN

XTALOUT

MCLK

REFERENCES

PROTECTION

OVP

UVP

OCP

OTP

ODP

WP

CDELAY

DIAG

1

2

47

31

39

41

42

45

TFA9812

010aaa217

CONTROL

LOGIC

DRIVER

HIGH

DRIVER

LOW

DRIVER

LOW

CONTROL

LOGIC

CONTROL

LOGIC

DRIVER

HIGH

DRIVER

LOW

DRIVER

HIGH

DRIVER

LOW

PWM

CONTROLLER

PWM

CONTROLLER

CONTROL

INTERFACE

REGISTER

ADDRESS

HEX 01

PHASED

LOCKED

LOOP

THERMAL

FOLDBACK

OSCILLATOR

ADC

10

34

35

36

37

38

POWERUP

SDA/MS

GAIN

33

ENABLE

CSEL

ADSEL2/PLIM2

ADSEL1/PLIM1

SCL/SFOR

STABD

REFD

STABA

REFA

30

29

48

8

EXPOSED DIE PADDLE VSS1

VSS2

46

45

44

BCK

WS

DATA

CSEL

TEST1

TEST2

AVOL

VDDD(3V3)

VDDA(3V3)

VDDA

743

32

40

3

6

9

28

CLOCK

PROTECTION

LP

UFP

OFP

IBP

SERIAL

AUDIO

INTERFACE

10-BAND

PARAMETRIC

EQUALIZER

VOLUME

CONTROL

AND SOFT

MUTE

INTER-

POLATION

FILTER AND

DE-EMPHASIS

POWER

LIMITER

GAIN

Similar Part No. - TFA9812

Manufacturer	Part #	Datasheet	Description
NXP Semiconductors	TFA9812	384Kb / 66P	BTL stereo Class-D audio amplifier with I2S input Rev. 01-30 October 2008
NXP Semiconductors	TFA9812HN	384Kb / 66P	BTL stereo Class-D audio amplifier with I2S input Rev. 01-30 October 2008

Similar Description - TFA9812

Manufacturer	Part #	Datasheet	Description
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