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

Page 38

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TDA8932B_4

© NXP B.V. 2008. All rights reserved.

Product data sheet

Rev. 04 — 18 December 2008

38 of 48

NXP Semiconductors

TDA8932B

Class-D audio amplifier

Fig 37. Typical simplified application diagram for 1

×

BTL (asymmetrical supply)

U1

TDA8932B

V

SSD(HW)

1

µ

F

Cin

Cen
470 nF

Chvp
100 nF

Cvddp
100 nF

Csn
470 pF

Csn
470 pF

Rsn
10

Rsn
10

Llc

Llc

V

SSD(HW)

IN1P

Cdref
100 nF

Chvp
100 nF

Cinref
100 nF

Chvp
100 nF

1

µ

F

Cin

100 nF

Cosc

39 k

Rosc

MUTE

control

VPA

SLEEP

control

OSCIO

IN1N

HVP1

DIAG

V

DDP1

ENGAGE

BOOT1

VP

VP

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)

001aaf602

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

Cvddp
220

µ

F

(35 V)

10

Rvdda

Cvdda
100 nF

VP

VPA

VP

GND

Cvddp
100 nF

Cbo
15 nF

Cbo
15 nF

Rhvp
470

Rhvp
470

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