BD5445EFV-E2 View Datasheet(PDF) - ROHM Semiconductor

Part Name

Description

Manufacturer

BD5445EFV-E2

Analog Input / Single End Output Class-D Speaker Amplifier

ROHM Semiconductor 

BD5445EFV

●Pin function explanation (Provided pin voltages are typ. values)

Pin

No.

Pin name

Pin voltage

Pin explanation

1

VCCA

Vcc

Power supply pin for Analog signal

2

GAIN0

3

GAIN1

－

Gain control pin

Technical Note

Internal equivalence circuit

4

IN1

5

IN2

2.5V

ch1 Analog signal input pin

ch2 Analog signal input pin

Input audio signal via a capacitor.

6

GNDA

7

FILA

0V

2.5V

Gnd pin for Analog signal

Bias pin for Analog signal

Please connect the capacitor.

1

16K～40K

4/5

40K～64K

6

8

FILP

2～4V

Bias pin for PWM signal

1

Please connect the capacitor.

8

9

ROSC

2.5V

6

Internal PWM sampling clock frequency

setting pin

Please connect the resister setting Master

mode.

Please connect the capacitor setting Slave

mode.

10

PDX

－

Power down control pin

H: Power down OFF

L: Power down ON

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© 2010 ROHM Co., Ltd. All rights reserved.

11/31

2010.05 - Rev.B

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