TDA7056A Datasheet, PDF (7/9 Pages) NXP Semiconductors – 3 W BTL mono audio output amplifier with DC volume control

Philips Semiconductors
3 W BTL mono audio output amplifier with
DC volume control
APPLICATION INFORMATION
Product specificiation
TDA7056A
handbook, full pagewidth
(1)
100
nF
VP
220 µF
positive
input
n.c.
1
9
n.c.
0.47 µF
3
5
TDA7056A
2
I+i
6
R _L = 16 Ω
RS
5
kΩ
DC
volume
control
I–i
STABILIZER TEMPERATURE
Vref
PROTECTION
8
4
7
(1) This capacitor can be omitted if the 220 µF electrolytic capacitor is connected close to pin 2.
Fig.6 Test and application diagram.
ground
MGA073 - 1
handbook, halfpage
5
100 kΩ
volume
control
MGA074
Fig.7 Application using a potentiometer for
volume control; G_v = 30 dB.
July 1994
7