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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 kΩ
0.47 µF
R
S
6
MCD386 - 1
100 nF 220 µF
1
2
R = 8 Ω
L
TDA7052A
TDA7052AT
R = 16 Ω
L
V = 6 V
P
(1)
4
5
I + i
8I – i
V
ref
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 220 µF electrolytic capacitor is connected close to pin 1.
handbook, halfpage
MCD387
4
volume
control
1 MΩ1 µF
Fig.7 Application with potentiometer as volume
control; maximum gain = 30 dB.