Fig.1 block diagram – Philips TDA1556Q User Manual
Page 3
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July 1994
3
Philips Semiconductors
Product specification
2 x 22 W stereo BTL differential amplifier
with speaker protection and dynamic
TDA1556Q
handbook, full pagewidth
mute/stand-by
MLA383-2
output 1A
x1
stand-by
switch
mute
switch
stand-by
reference
voltage
5
13
mute switch
VA
mute switch
VA
6
8
14
powerground
output 1B
input 1A
1
TDA1556Q
2
input 1B
output 2A
mute switch
VA
mute switch
VA
10
12
output 2B
input 2A
16
17
input 2B
n.c.
3
11
7
4
15
DDD
LSP
VA
n.c.
9
VP
Fig.1 Block diagram.
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