2001 Jul 23
13
Philips Semiconductors
Preliminary specification
Power amplifier with load detection and
auto BTL/SE selection
TDA8586
APPLICATION INFORMATION
Fig.7 Stereo bridge-tied load application (SOT243-1).
handbook, full pagewidth
MGR028
1 OUT1
11
IN3 7
IN2 6
IN1 5
IN4 8
13
V/I
+
−
OA
+
−
4 OUT2
OA
+
−
OA
+
−
3 HVP1
VPn
VPn
60
k
Ω
V/I
+
−
60
k
Ω
V/I
+
−
60
k
Ω
17 OUT3
V/I
+
−
OA
+
−
14 OUT4
12
OA
+
−
OA
+
−
15 HVP2
60
k
Ω
V/I
+
−
60
k
Ω
BUFFER
VPn
30 k
Ω
V/I
+
−
60
k
Ω
INTERFACE
DIAGNOSTIC
10
PGND2
VP1
2
VP2
16
9
PGND1
TDA8586Q
+
−
4 or 8
Ω
+
−
4 or 8
Ω
100
nF
(16/40 V)
1000
µ
F
VP
+
5 V
10 k
Ω
VINL front
220 nF
VINR front
220 nF
47
µ
F
(10 V)
15 k
Ω
30 k
Ω
4.7
µ
F
(10 V)
switch
switched
+
9 V
220 nF
220 nF
ACREF
MSO
DIAG