BD5446EFV datasheet(7/32 Pages) ROHM

Part #	BD5446EFV

Description	Class-D Speaker Amplifier for Digital Input

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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Technical Note

7/31

BD5446EFV

www.rohm.com

2011.06 - Rev.C

●

Pin function explanation (Provided pin voltages are typ. Values)

No.

Pin name

Pin voltage

Pin explanation

Internal equivalence circuit

1

27

REG_G1

REG_G2

5.5V

Internal power supply pin for ch1 Gate driver

Internal power supply pin for ch2 Gate driver

Please connect the capacitor.

2

FILP

1.75V~2.55V

Bias pin for PWM signal

Please connect the capacitor.

3

PLMT

0V

Power limiter setting terminal

4

FILA

2.5V

Bias pin for Analog signal

Please connect the capacitor.

5

REG3

3.3V

Internal power supply pin for Digital circuit

Please connect the capacitor.

6

GNDA

0V

GND pin for Analog signal

－

25

2

6

400K

25

3

6

27

4

6

50K

25

5

6

500K

1

27

550K

53,54

28,29

45,46

36,37

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