A SERVICE OF

logo

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
V
ref
x1
VA
stand-by
switch
V
P
mute
switch
stand-by
reference
voltage
3
10
V
P1
V
P2
18 k
2
k
18 k
15 k
15 k
2
k
18 k
2
k
18 k
2
k
60
k
60
k
mute switch
VA
C
m
power stage
mute switch
VA
C
m
power stage
4
6
11
12
mute switch
VA
C
m
power stage
mute switch
VA
C
m
power stage
9
7
V
ref
258
ground (signal)
GND1 GND2
power ground (substrate)
output 2B
output 2A
not connected
output 1B
input 1
input 2
13
1
TDA1552Q