beautypg.com

Tda8932b, Nxp semiconductors, Class-d audio amplifier – NXP Semiconductors TDA8932B User Manual

Page 39

background image

TDA8932B_4

© NXP B.V. 2008. All rights reserved.

Product data sheet

Rev. 04 — 18 December 2008

39 of 48

NXP Semiconductors

TDA8932B

Class-D audio amplifier

Fig 38. Typical simplified application diagram for 2

×

SE (symmetrical supply)

U1

TDA8932B

V

SSD(HW)

470 nF

Cin

Cen
470 nF

Cvddp
100 nF

Csn
470 pF

Csn
470 pF

Rsn
10

Rsn
10

Llc

Llc

V

SSD(HW)

IN1P

Cdref
100 nF

Cinref
100 nF

Cvddp
220

µ

F

(25 V)

470 nF

Cin

470 nF

Cin

470 nF

Cin

100 nF

Cosc

39 k

Rosc

10

Rvdda

MUTE control

VDDA

VSSA

VSS

VSSA

VSSA

VSSA

VSSA

SLEEP control

Cvdda
100 nF

VDD

VDDA

10

Rvssa

VSS

VSSA

VDD

VSS

Cvssa
100 nF

Cvssp
220

µ

F

(25 V)

GND

OSCIO

IN1N

HVP1

DIAG

V

DDP1

ENGAGE

BOOT1

VDD

POWERUP

OUT1

CGND

V

SSP1

V

DDA

STAB1

V

SSA

STAB2

OSCREF

V

SSP2

HVPREF

OUT2

INREF

Cstab
100 nF

Clc

Clc

BOOT2

TEST

V

DDP2

IN2N

HVP2

IN2P

DREF

V

SSD(HW)

V

SSD(HW)

001aaf603

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

18

17

20

19

22

21

24

23

26

25

32

31

30

29

28

27

VSSA

Cvddp
100 nF

Cvssp
100 nF

VSS

VDD

Cvssp

100 nF

Cbo
15 nF

Cbo
15 nF