Philips TDA7056AT

1998 Feb 23 13

Philips Semiconductors Product speciﬁcation

3 W mono BTL audio ampliﬁer with DC

volume control TDA7056AT

Fig.15 Application with potentiometer as volume

control; maximum gain = 30 dB.

handbook, halfpage

MGM589

100 kΩ

1 µF

GND

volume

control TDA7056AT

Fig.16 Application with potentiometer as volume

control; maximum gain = 36 dB.

handbook, halfpage

MGM590

7TDA7056AT

22 kΩ

82 kΩ

1 µF

GND

VP = 12 V

volume

control

Contents

Main Page 1998 Feb 23 3 3 W mono BTL audio amplier with DC Fig.1 Block diagram. BLOCK DIAGRAM TDA7056AT Page Page volume control TDA7056AT 1998 Feb 23 7 volume control TDA7056AT Fig.6 Ripple rejection as a function of frequency. Fig.5 THD as a function of frequency. Fig.4 THD as a function of output power. Fig.3 Quiescent current as a function of the supply voltage. 1998 Feb 23 8 Fig.7 Gain control as a function of DC volume control. Fig.8 Noise output voltage as a function of DC volume control. Fig.9 Input signal handling as a function of the supply voltage. Fig.10 Output power as a function of the supply voltage. 1998 Feb 23 9 Fig.11 Total worst case power dissipation as a function of supply voltage. Fig.12 Control current as a function of DC volume control. Page Page 1998 Feb 23 12 Fig.14 Test and application diagram. TDA7056AT Page 1998 Feb 23 14 PACKAGE OUTLINE SO20: plastic small outline package; 20 leads; body width 7.5 mm SOT163-1 IC Package Databook Page Page Page Page Philips Semiconductors a worldwide company Printed in The Netherlands