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Philips TDA8567Q Datasheet page 10

4 × 25 w btl quad car radio power amplifier
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Philips Semiconductors
4
25 W BTL quad car radio power
amplifier
TEST AND APPLICATION INFORMATION
handbook, full pagewidth
input 1
470 nF
input 2
470 nF
input 3
470 nF
input 4
470 nF
Special care must be taken in the PCB-layout to separate pin 9 from the pins 10, 11 13 and 14 to minimize the crosstalk between the clip output
and the inputs.
To avoid switch-on plops, it is advised to keep the amplifier in the mute mode during a period of
10, 11, 13 and 14).
1998 Sep 23
MODE
V P1
15
1
IN1
10
30 k
11
IN2
30 k
12
SGND
TDA8567Q
13
IN3
30 k
IN4
14
30 k
3
PGND1
Fig.7 Application circuit diagram.
V P
V P2
V P3
V P4
8
16
23
2
4
V ref
7
5
9
DIAGNOSTIC
17
19
V ref
22
20
6
18
21
PGND2
PGND3
PGND4
power ground (substrate)
150 ms (charging the input capacitors at pin
10
Product specification
TDA8567Q
14.4 V
100 nF
2200 F
OUT1
R L = 4
OUT1
OUT2
R L = 4
OUT2
10 k
V P
V DIAG
diagnostic
output
OUT3
R L = 4
OUT3
OUT4
R L = 4
OUT4
MGG158

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