July 1994
6
Philips Semiconductors
Product specificiation
3 W BTL mono audio output amplifier with
DC volume control
TDA7056A
Fig.3 Gain as a function of DC volume control.
handbook, halfpage
MGA075
40
– 80
20
– 20
– 40
0
0
1.2
2.0
0.4
1.6
0.8
V
(V)
5
gain
(dB)
– 60
Fig.4 Noise output voltage as a function of DC
volume control.
handbook, halfpage
1000
0
800
400
200
600
0
1.2
2.0
MGA076 - 1
0.4
1.6
0.8
V (V)
5
V
noise
(
µ
V)
Fig.5 Control current as a function of DC volume
control.
handbook, halfpage
0
1.2
2.0
100
– 20
MGA077 - 1
60
20
– 60
– 100
0.4
1.6
0.8
V (V)
5
I5
(
µ
A)
