Philips Semiconductors
Product specification
2 × 40 W/2 Ω stereo BTL car radio power
amplifier with diagnostic facility
TDA8563AQ
BLOCK DIAGRAM
V
V
P1
P2
10
3
handbook, full pagewidth
1
mute switch
C
m
input 1
TDA8563AQ
4
VA
output 1A
2.3
kΩ
PROTECTIONS
Load dump
Soar
power stage
Thermal
Short - circuit
Reverse polarity
20.7 kΩ
mute switch
C
m
6
VA
output 1B
30
kΩ
2.3
kΩ
power stage
20.7 kΩ
V
P
11
mode switch
stand-by
switch
stand-by
reference
voltage
VA
15 kΩ
x1
mute
switch
12
diagnostic
output
DIAGNOSTIC
INTERFACE
15 kΩ
mute
reference
voltage
13
mute switch
C
m
input 2
9
VA
output 2B
2.3
kΩ
power stage
20.7 kΩ
mute switch
C
m
7
VA
output 2A
30
kΩ
2.3
kΩ
input
reference
voltage
power stage
20.7 kΩ
2
5
GND1
8
GND2
MGL073
ground (signal)
power ground (substrate)
Fig.1 Block diagram.
3
1997 Feb 20
NXP [ NXP ]
