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1995 May 08 3
Philips Semiconductors Product specification
2 × 6 W hi-fi audio power amplifier TDA2615
BLOCK DIAGRAM
Fig.1 Block diagram.
MLA711
5
voltage
comparator
4
4 kΩ
10 kΩ
P
– V
P
+ V
THERMAL
PROTECTION
5 kΩ
1
CM
20 kΩ
V
A
B
V
P
– V
680 Ω
20 kΩ
10 kΩ
V
A
B
V
P
+ V
ref1
V
ref3
V
ref2
+ V
ref2
– V
P
+ V
CM
20 kΩ
V
A
B
V
P
– V
680 Ω
20 kΩ
ref1
V
ref1
V
6
P
– V
8
9
3
2
TDA2615
INV1
MUTE
1/2 V / GND
OUT1
OUT2
INV1, 2
INV2
P
7