July 1994 8
Philips Semiconductors Product specification
1 W BTL mono audio amplifier with DC
volume control TDA7052A/AT
APPLICATION INFORMATION
handbook, full pagewidth
positive
input
5 k
0.47 µF
RS
6
MCD386 - 1
100 nF 220 µF
1
2
R = 8
L

TDA7052A

TDA7052AT

R = 16
L
V = 6 V
P
(1)
4
5
I + i
8I – i
Vref
STABILIZER TEMPERATURE
PROTECTION
3
ground
(TDA7052A)
(TDA7052A/AT)
DC
volume
control
7
n.c.
Fig.6 Test and application diagram.
This capacitor can be omitted if the 220µF electrolytic capacitor is connected close to pin 1.
handbook, halfpage
MCD387
4
volume
control
1 M1 µF
Fig.7 Application with potentiometer as volumecontrol; maximum gain = 30 dB.