BD5461GUL Просмотр технического описания (PDF) - ROHM Semiconductor

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BD5461GUL

Analog Input Monaural Class-D Speaker Amplifier

ROHM Semiconductor 

BD5461GUL

●Application Circuit Example

H：Active

L：Shutdown

Audio

Input+

Differential

Input

Audio

Input-

STBY

C2

IN+

A1

IN-

C1

10μ

VDD B1

B2 PVDD

Bias

OSC

PWM

H-

Bridge

OUT-

A3

OUT+

C3

GND A2

B3 PGND

Fig.1 Differential input for mobile phone

H：Active

L：Shutdown

STBY

C2

Audio

Input+

Differential

Input

Audio

Input-

0.1μ IN+

A1

0.1μ IN-

C1

10μ

VDD B1

B2 PVDD

Bias

OSC

PWM

H-

Bridge

OUT-

A3

OUT+

C3

GND A2

B3 PGND

Fig.2 Differential input with coupling input capacitors

H：Active

L：Shutdown

STBY

C2

Audio

Input

0.1μ IN+

A1

0.1μ IN-

C1

10μ

VDD B1

B2 PVDD

Bias

OSC

PWM

H-

Bridge

OUT-

A3

OUT+

C3

GND A2

B3 PGND

Fig.3 Single-Ended input

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

4/16

Technical Note

2010.06 - Rev.A

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