Philips TDA7056AT 3 W mono BTL audio amplier with DC

1998 Feb 23 3

Philips Semiconductors Product speciﬁcation

3 W mono BTL audio ampliﬁer with DC

volume control TDA7056AT

BLOCK DIAGRAM

Fig.1 Block diagram.

handbook, full pagewidth

positive input

MGM576

TDA7056AT

I + i

17I − i

STABILIZER

TEMPERATURE

PROTECTION

DC volume control

Vref

−

positive output

negative output

power

ground

signal

ground

1 to 3, 8 to 13,

16, 18 to 20

n.c.

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