TS482 Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

TS482

100mW Stereo Headphone Amplifier

STMicroelectronics 

TS482

100mW Stereo Headphone Amplifier

■ Operating from Vcc=2V to 5.5V

■ 100mW into 16Ω at 5V

■ 38mW into 16Ω at 3.3V

■ 11.5mW into 16Ω at 2V

■ Switch ON/OFF click reduction circuitry

■ High power supply rejection ratio: 85dB at 5V

■ High signal-to-noise ratio: 110dB(A) at 5V

■ High crosstalk immunity: 100dB (F=1kHz)

■ Rail-to-rail input and output

■ Unity-gain stable

■ Available in SO-8, MiniSO-8 & DFN8

Description

The TS482 is a dual audio power amplifier able to

drive a 16 or 32Ω stereo headset down to low

voltages.

It is delivering up to 100mW per channel (into 16Ω

loads) of continuous average power with 0.1%

THD+N from a 5V power supply.

TS482ID, TS482IDT - SO-8

OUT (1)

1

VIN- (1)

2

VIN+ (1)

3

GND

4

8

VCC

7

OUT (2)

6

VIN- (2)

5

VIN+ (2)

TS482IST - MiniSO-8

OUT (1)

1

VIN- (1)

2

VIN+ (1)

3

GND

4

8

VCC

7

OUT (2)

6

VIN- (2)

5

VIN+ (2)

TS482IQT - DFN8

OUT (1) 1

VIN - (1) 2

VIN + (1) 3

GND 4

8 Vcc

7 OUT (2)

6 VIN - (2)

5 VIN + (2)

Typical application schematic

The unity gain stable TS482 can be configured by

external gain-setting resistors.

Applications

■ Stereo headphone amplifier

■ Optical storage

■ Computer motherboard

■ PDA, organizers & notebook computers

■ High-end TV, set-top box, DVD players

■ Sound cards

Rfeed1

1µF Vcc 3.9k

+

RpolVcc

Right In Cin1

Cs

3.9k

+

100k 8

2-

1

2.2µF

Rin1

3

Cb

+

2.2µF Rin21µF

5

6

+

TS482

+7

-

+

Left In Cin2 3.9k

4

100k

Rpol

3.9k

220µF RL=32Ohms

+

Cout1

Cout2 RL=32Ohms

+

220µF

Rfeed2

Order Codes

Part Number

Temperature Range

Package

Packing

Marking

TS482ID/IDT

TS482IST

TS482IQT

-40, +85°C

SO-8

Tube or Tape & Reel

miniSO-8

482I

Tape & Reel

DFN8

November 2005

Rev 2

1/26

www.st.com

26

Share Link: