2002 Mar 05 3
Philips Semiconductors Product specification
4×40 W BTL quad car radio power
amplifier TDA8571J
BLOCK DIAGRAMFig.1 Block diagram.handbook, full pagewidth
MGM562
OUT1+
OUT1−
+
−
+
−
Vref
2
IN1
IN2
4
23168115
10
MODE VP1 VP2 VP3 VP4
211863
PGND1 PGND2 PGND3 PGND4
30 kΩ
OUT2+
OUT2−
+
−
+
−
7
5
11
30 kΩ
OUT3+
OUT3−
+
−
+
−
Vref
17
IN3
SGND TDA8571J
IN4
19
13
12
30 kΩ
OUT4+
OUT4−
+
−
+
−
22
20
14
30 kΩ
VDIAG
DIAGNOSTIC 9