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July 1994 7
Philips Semiconductors Product specificiation
3 W BTL mono audio output amplifier with
DC volume control
TDA7056A
APPLICATION INFORMATION
Fig.6 Test and application diagram.
(1) This capacitor can be omitted if the 220 µF electrolytic capacitor is connected close to pin 2.
handbook, full pagewidth
positive
input
5
kΩ
0.47 µF
R
S
7
MGA073 - 1
100
nF
220 µF
2
3
TDA7056A
R = 16 Ω
L
V
P
(1)
5
6
I + i
8I – i
V
ref
STABILIZER TEMPERATURE
PROTECTION
4
ground
DC
volume
control
1
n.c.
9
n.c.
Fig.7 Application using a potentiometer for
volume control; G
v
= 30 dB.
handbook, halfpage
5
100 kΩ
volume
control
MGA074