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