Philips Semiconductors
Product specification
2 × 25 W BTL stereo car radio power amplifier
with differential inputs and diagnostic outputs
TDA8566Q
BLOCK DIAGRAM
V
V
P1
5
P2
13
handbook, full pagewidth
1
2
mute
switch
IN1+
IN1−
C
+
−
M
6
OUT1+
V
A
+
−
2.3
kΩ
2.3 kΩ
(9×)
mute
switch
C
+
−
M
8
OUT1−
V
A
+
−
60
kΩ
60
kΩ
2.3
kΩ
2.3 kΩ
(9×)
9
n.c.
14
standby
switch
MODE
TDA8566Q
standby
reference
voltage
V
A
V
ref
mute
switch
4
3
CLIP
CLIP
DIAG
SGND
1×
15
DIAG
mute
reference
voltage
60
kΩ
60
kΩ
16
17
mute
switch
IN2+
IN2−
C
+
−
M
10
OUT2+
V
A
+
−
2.3
kΩ
2.3 kΩ
(9×)
mute
switch
C
+
−
M
12
OUT2−
V
A
+
−
2.3
kΩ
2.3 kΩ
(9×)
11
7
MGD105
PGND2
PGND1
Fig.1 Block diagram.
3
1998 Sep 23