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 2.00.4 1.60.8
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 1.60.8
V (V)
5
Vnoise
(µV)

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 1.60.8
V (V)
5
I5
(µA)