Philips TDA7056AT

1998 Feb 23 4

Philips Semiconductors Product speciﬁcation

3 W mono BTL audio ampliﬁer with DC

volume control TDA7056AT

PINNING

SYMBOL PIN DESCRIPTION

n.c. 1 not connected

n.c. 2 not connected

n.c. 3 not connected

VP4 positive supply voltage

VI5 positive input

GND1 6 signal ground

VC 7 DC volume control

n.c. 8 not connected

n.c. 9 not connected

n.c. 10 not connected

n.c. 11 not connected

n.c. 12 not connected

n.c. 13 not connected

OUT+ 14 positive output

GND2 15 power ground

n.c. 16 not connected

OUT−17 negative output

n.c. 18 not connected

n.c. 19 not connected

n.c. 20 not connected Fig.2 Pin configuration.

handbook, halfpage

n.c.

GND1

n.c.

OUT−

GND2

OUT+

n.c.

10 11

TDA7056AT

MGM577

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