
2001 Jul 23 4
Philips Semiconductors Preliminary specification
Power amplifier with load detection and
auto BTL/SE selection TDA8586
BLOCK DIAGRAM
Fig.1 Block diagram SOT243-1.
handbook, full pagewidth
MGR023
1OUT1
ACREF 11
IN3 7
IN2 6
IN1 5
IN4 8
MSO 13
V/I
+
−
OA
+
−
4OUT2
OA
+
−
OA
+
−3HVP1
VPn
VPn
60
kΩ
V/I
+
−
60
kΩ
V/I
+
−
60
kΩ
17 OUT3
V/I
+
−
OA
+
−
14 OUT4
12 DIAG
OA
+
−
OA
+
−15 HVP2
60
kΩ
V/I
+
−
60
kΩ
BUFFER
VPn
30 kΩ
V/I
+
−
60
kΩ
INTERFACE DIAGNOSTIC
10
PGND2
VP1
2
VP2
16
9
PGND1
TDA8586Q