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Tf a9810, Nxp semiconductor s, Audio amplifier 2 x 12 w – NXP Semiconductors TFA9810 User Manual

Page 24

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TF
A9810_3

© NXP B

.V

. 2008. All r

ights reser

v

ed.

Pr
oduct data sheet

Re
v

. 03 — 20 Februar

y 2008

24 of 29

NXP Semiconductor

s

TF
A9810

A

udio amplifier 2 x 12 W

Fig 34. Typical application diagram TFA9810 with externally adjusted switch-on time

V

DDA1

n.c

IN1P

IN1N

CDELAY

SO/OL

IN2P

IN2N

OUT1P

BOOT1P

BOOT1N

OUT1N

STAB1

STAB2

OUT2P

BOOT2P

BOOT2N

OUT2N

V

SSA1

V

SSA2

V

SSD

V

SSD

V

SSD

V

SSD

V

SSP1

V

SSP2

V

DDA2

V

DDP1

V

DDP2

010aaa431

C12
680 nF

C27
470 pF

C13
680 nF

C28
470 pF

GND

GND

2

1

J3

OUT1

C9
220 nF

C14
220 nF

R27

10

R28

10

C20
680 nF

C29
470 pF

C23
680 nF

C30
470 pF

GND

GND

2

1

J6

OUT2

C19
220 nF

C25
220 nF

R29

10

R30

10

L3

22

µ

H

L4

22

µ

H

L5

22

µ

H

L6

22

µ

H

C16
1

µ

F

C17
1

µ

F

GND

GND

26

27

29

28

31

18

23

22

21

20

OUT1+

OUT1

OUT2+

OUT2

C31

100 nF

C1

220

µ

F

C3

100 nF

C4

100 nF

C2

220

µ

F

C5

100 nF

GND

GND

GND

R3
10

L2
BEAD

L1
BEAD

12 V

C8
220 pF

R6

10 k

C6

1

µ

F

R7

10 k

R10

10 k

GND

R11

10 k

C11
47 pF

GND

1

2

J4

C21
220 pF

R19

10 k

R17
100 k

C18

1

µ

F

C26

1

µ

F

R18

10 k

R22

10 k

GND

R23

10 k

C22
68 pF

OUT2

STAB1

GND

1

2

J7

C15

4.7

µ

F

GND

C24
220 pF

C10
220 pF

ENABLE

DIAG

V

DDA2

4

13

9

25

24

5

12

1

16

17

32

30

19

GND

VP J1

GND

1

2

C32
220

µ

F

C33
100 nF

12 V

12 V

SW1

ENABLE

2

3

8

6

7

10

11

15

14

IN1
J2

TFA9810

R32

10 k

R31

10 k

C7

1

µ

F

R26
100 k

OUT2+

R5
100 k

OUT1

R14
100 k

OUT1+

R33

10 k

R34

10 k

IN2
J5

R35
200 k

GND

Snubber network

(Optional)

R100

22