July 1994
8
Philips Semiconductors
Product specification
2 x 22 W stereo BTL differential amplifier
with speaker protection and dynamic
TDA1556Q
Fig.4 Stereo BTL test diagram.
handbook, full pagewidth
100
nF
DDD
mute/stand-by
4
14
5
13
15
Vref
9
3
n.c.
n.c.
audio
source
1/2 Rs
220 nF
220
µ
F
1
2
Z i1
Z i2
6
8
R load
1/2 Rs
audio
source
1/2 R s
220 nF
220
µ
F
16
17
Z i3
Z i4
10
12
R load
1/2 Rs
7
11
MLA380-2
VP
TDA1556Q
2200
µ
F
4.7
µ
F