TDA8947J 查看數據表（PDF） - Philips Electronics

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TDA8947J

4-channel audio amplifier (SE: 1 W to 25 W; BTL: 4 W to 50 W)

Philips Electronics 

Philips Semiconductors

6. Block diagram

TDA8947J

4-channel audio amplifier

IN1+ 8

60 kΩ

IN2+ 6

60 kΩ

IN3+ 9

60 kΩ

IN4+ 12

60 kΩ

CIV 13

VCC

VCC1

3

VCC2

16

1 OUT1+

4 OUT2−

14 OUT3−

17 OUT4+

SHORT-CIRCUIT

AND

TEMPERATURE

PROTECTION

SVR

11 0.5VCC

Vref

7

SGND

MODE1 10

MODE2 5

STANDBY ALL

MUTE ALL

ON 1+2

MUTE 3+4

ON 3+4

TDA8947J

2

GND1

15

GND2

Fig 1. Block diagram.

MDB014

9397 750 10779

Preliminary data

Rev. 01 — 06 February 2004

© Koninklijke Philips Electronics N.V. 2004. All rights reserved.

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