BD5446EFV(2010) 데이터 시트보기 (PDF) - ROHM Semiconductor

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BD5446EFV
(Rev.:2010)

Class-D Speaker Amplifier for Digital Input

ROHM Semiconductor 

BD5446EFV

●Pin configuration and Block diagram

Technical Note

1

REG_G1

2

FILP

Power

3

Limiter

4

FILA

5

REG_3

6

GNDA

7

8

I2S/LJ

9

Interface

10

11

12

Control

13

Interface

14

I2S/LJ

15

Selector

16

Gain

17

Selector

18

19

TEST

20

21

DAC

Selector

22

DAC

23

24

25

VCCA

26 NC

27

REG_G2

Driver

1P

Driver

1N

×8 Over

Sampling

Digital

Filter

PWM

Modulator

Driver

2N

Driver

2P

High Temperature Protection

Under Voltage Protection

Clock Stop Protection

Output Short Protection

Output DC Voltage Protection

VCCP1

54

53

NC 52

51

50

REG_G1

49

NC 48

NC 47

46

45

GNDP1

44

43

REG_G1

42

NC 41

40

REG_G2

39

38

37

36

GNDP2

NC 35

NC 34

33

REG_G2

32

31

NC 30

29

VCCP2

28

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6/30

2010.05 - Rev.B

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