TDA1553 데이터 시트보기 (PDF) - Philips Electronics

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TDA1553

2×22 W stereo BTL car radio power amplifier with loudspeaker protection and 3-state mode switch

Philips Electronics 

Philips Semiconductors

2 × 22 W stereo BTL car radio power amplifier with

loudspeaker protection and 3-state mode switch

Product specification

TDA1553CQ

BLOCK DIAGRAM

handbook, full pagewidth

1

input 1

mute switch Cm

VA

2

kΩ

18 kΩ

mute switch Cm

power stage

60

kΩ

13

input 2

VA

2

kΩ

18 kΩ

VP

stand-by

switch

VA

15 kΩ

x1

15 kΩ

mute

reference

voltage

mute switch

Cm

power stage

stand-by

reference

voltage

mute

switch

VA

2

kΩ

18 kΩ

mute switch Cm

power stage

60

kΩ

2

kΩ

input

reference

voltage

2

VA

18 kΩ

ground (signal)

power stage

5

GND1

8

GND2

power ground (substrate)

V P1

3

V P2

10

TDA1553CQ

4

output 1A

PROTECTIONS

Load dump

Soar

Thermal

Short - circuit

Reverse polarity

Loudspeaker

6

output 1B

3-state

interface

11

mode switch

12

loudspeaker

protection

loudspeaker

protection

9

output 2B

7

output 2A

MBC991 - 1

Fig.1 Block diagram.

1995 Dec 15

3

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