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1998 Apr 07 3
Philips Semiconductors Product specification
2 × 8 W stereo BTL audio output amplifier
with DC volume control
TDA7057AQ
BLOCK DIAGRAM
Fig.1 Block diagram.
handbook, full pagewidth
MSA714
I i
I i
Ι
STABILIZER
TEMPERATURE
PROTECTION
V
ref
11
1
3
13
I i
I i
ΙΙ
8
7
5
10
12
power
ground 1
9
power
ground 2
6
signal
ground
2
not
connected
input 1
DC volume
control 1
input 2
DC volume
control 2
TDA7057AQ
4
V
P
positive
output 1
negative
output 1
negative
output 2
positive
output 2