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2002 Mar 05 3
Philips Semiconductors Product specification
4 × 40 W BTL quad car radio power
amplifier
TDA8571J
BLOCK DIAGRAM
Fig.1 Block diagram.
handbook, full pagewidth
MGM562
OUT1+
OUT1−
+
−
+
−
V
ref
2
IN1
IN2
4
23168115
10
MODE
V
P1
V
P2
V
P3
V
P4
211863
PGND1 PGND2 PGND3 PGND4
30 kΩ
OUT2+
OUT2−
+
−
+
−
7
5
11
30 kΩ
OUT3+
OUT3−
+
−
+
−
V
ref
17
IN3
SGND
TDA8571J
IN4
19
13
12
30 kΩ
OUT4+
OUT4−
+
−
+
−
22
20
14
30 kΩ
V
DIAG
DIAGNOSTIC
9