1/6

f=1kHz, with 8

MODE (10nA)

DESCRIPTION

The TS4990 has been designed for demanding

audio applications such as mobile phones and to

minimize the number of external components.

This Audio Power Amplifier is capable of deliver-

ing 1W of continuous RMS Ouput Power into an

8

An externally controlled standby mode control re-

duces the supply current to less than 10nA. It also

includes an internal thermal shutdown protection.

The unity-gain stable amplifier can be configured

by external gain setting resistors.

APPLICATIONS

ORDER CODE

J = Flip Chip Package - only available in Tape & Reel (JT)

PIN CONNECTIONS (top view)

Part Number

Temperature

Range

Package

J

TS4990IJT

-40, +85°C

•

TYPICAL APPLICATION SCHEMATIC

TS4990JT - FLIP CHIP

STBY

Vin+

Vout1

Vin-

GND

GND

VCC

BYPASS

VOUT2

1

2

3

4

5

6

7

8

9

STBY

Vin+

Vout1

Vin-

GND

GND

VCC

BYPASS

VOUT2

1

2

3

4

5

6

7

8

9

Rfeed

Rin

Audio In

Cfeed

Bias

AV = -1

Vin-

Vin+

Bypass

Standby

Vout 1

Vout 2

+

-

+

-

7

5

1

3

6

2

TS4990

Vcc

Cin

Cs

Cb

Standby

Control

Speaker

8 Ohms

1W AUDIO POWER AMPLIFIER WITH ACTIVE LOW

STANDBY MODE

This is a preliminary information on a new product now in development. Details are subject to change without notice.

February 2003

ADVANCE DATA

TS4990