1997 Feb 20

10

Philips Semiconductors

Product specification

2

× 40 W/2 Ω stereo BTL car radio power

amplifier with diagnostic facility

TDA8563AQ

TEST AND APPLICATION INFORMATION

(1) To avoid high energy switching pulses which can feedback to the inputs it is advisable to ensure that the value of the resistor at pin 12 is

Fig.6 Stereo BTL test/application diagram.

handbook, full pagewidth

MGL074

100

nF

mode switch

11

3

10

470 nF

1

4

6

470 nF

13

9

7

58

VP

TDA8563AQ

2200

µF

30

k

Ω

reference

voltage

2

ground (signal)

30

k

Ω

input 2

input 1

power ground (substrate)

12

10 k

Ω

VP

diagnostic

output