Philips TDA1552Q Manual De Usuario

July 1994

3

Philips Semiconductors

Product specification

2 x 22 W BTL stereo car radio power
amplifier

TDA1552Q

Fig.1  Block diagram.

handbook, full pagewidth

mute/stand-by

MLB952

output 1A

Vref

x1

VA

stand-by

switch

VP

mute
switch

stand-by
reference
voltage

3

10

VP1

VP2

18 k

Ω

2

k

Ω

18 k

Ω

15 k

Ω

15 k

Ω

2

k

Ω

18 k

Ω

2

k

Ω

18 k

Ω

2

k

Ω

60

k

Ω

60

k

Ω

mute switch

VA

Cm

power stage

mute switch

VA

Cm

power stage

4

6

11

12

mute switch

VA

Cm

power stage

mute switch

VA

Cm

power stage

9

7

Vref

2

5

8

ground (signal)

GND1

GND2

power ground (substrate)

output 2B

output 2A

not connected

output 1B

input 1

input 2

13

1