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

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

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

µF electrolytic capacitor is connected close to pin 1.

handbook, halfpage

MCD387

4

volume

control

1 M

Ω

1

µF

Fig.7

Application with potentiometer as volume

control; maximum gain = 30 dB.