BD5446EFV 查看數據表（PDF） - ROHM Semiconductor

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产品描述 (功能)

生产厂家

BD5446EFV

Class-D Speaker Amplifier or Digital Input

ROHM Semiconductor 

BD5446EFV

No.

28,29

Pin name

VCCP2

31,32

33

OUT2P

BSP2P

36,37 GNDP2

38,39 OUT2N

40

BSP2N

42

BSP1N

43,44 OUT1N

45,46 GNDP1

49

BSP1P

50,51

OUT1P

53,54

VCCP1

Pin voltage

Pin explanation

Vcc

Power supply pin for ch2 PWM signal

Vcc~0V

－

Output pin of ch2 positive PWM

Please connect to Output LPF.

Boot-strap pin of ch2 positive

Please connect the capacitor.

0V

GND pin for ch2 PWM signal

Vcc~0V

－

－

Vcc~0V

Output pin of ch2 negative PWM

Please connect to Output LPF.

Boot-strap pin of ch2 negative

Please connect the capacitor.

Boot-strap pin of ch1 negative

Please connect the capacitor.

Output pin of ch1 negative PWM

Please connect to Output LPF.

0V

GND pin for ch1 PWM signal

－

Vcc~0V

Boot-strap pin of ch1 positive

Please connect the capacitor.

Output pin of ch1 positive PWM

Please connect to Output LPF.

－

Power supply pin for ch1 PWM signal

Technical Note

Internal equivalence circuit

28,29

33

40

31,32

38,39

36,37

53,54

42

49

43,44

50,51

45,46

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© 2011 ROHM Co., Ltd. All rights reserved.

10/31

2011.06 - Rev.C

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