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1997 Aug 14 3
Philips Semiconductors Preliminary specification
2 × 23 W high efficiency car radio power
amplifier
TDA1561Q
BLOCK DIAGRAM
Fig.1 Block diagram.
handbook, full pagewidth
MLD214
REFERENCE
SOURCES
MUTE/STANDBY
THERMAL/
SHORT-CIRCUIT
PROTECTION
HIGHER
TEMPERATURE
BTL DISABLE
0.5V
P
MUTE
R
MUTE
R
7
V
P
12
3
13
2
1
IN1
IN2
CIN
MODE
1/2R
HV
4
GND1
10
GND2
6
5
11
9
8
OUT2
OUT2
OUT1
OUT1
C
TDA1561Q
P
11