TS4999 datasheet(1/36 Pages) STMICROELECTRONICS

Numer części	TS4999

Szczegółowy opis	Filter-free stereo 2.8 W class D audio power amplifier with selectable 3D sound effects

PDF	36 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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1 / 36 page

December 2008

Rev 1

1/36

36

TS4999

Filter-free stereo 2.8 W class D audio power amplifier

with selectable 3D sound effects

Features

■ Operates from VCC = 2.4 to 5.5 V

■ Dedicated standby mode active low/channel

■ Output power per channel: 2.8 W at 5 V into

4

Ωwith 10% THD+N or 0.7 W at 3.6 V into 8 Ω

with 1% THD+N max.

■ Selectable 3D sound effect

■ Four gain setting steps: 3.5, 6, 9.5 and 12 dB

■ Low current consumption

■ PSSR: 63 dB typical at 217 Hz.

■ Fast start up phase: 7.8 ms

■ Short-circuit and thermal shutdown protection

■ Flip chip 18-bump lead-free package

Applications

■ Cellular phones

■

PDAs

■ Notebook PCs

Description

The TS4999 is a stereo fully-differential class D

power amplifier. It can drive up to 1.35 W into a

8

Ω load at 5 V per channel. The device has four

different gain settings utilizing two discrete pins,

G0 and G1.

Pop and click reduction circuitry provides low

on/off switch noise while allowing the device to

start within 8 ms. 3D enhancement effects are

selected through one digital input pin that allows

more amazing stereo audio sound.

Two standby pins (active low) allow each channel

to be switched off separately.

The TS4999 is available in a flip chip, 18-bump,

lead-free package.

Pin connections (top view)

Flip chip 18-bump package

LOUT+

LPVCC

ROUT-

RPVCC

STDBYL

G1

ROUT+

AGND

G0

PGND

STDBYR

LIN+

LIN-

RIN-

RIN+

3D

AVCC

LOUT-

LOUT+

LPVCC

ROUT-

RPVCC

STDBYL

G1

ROUT+

AGND

G0

PGND

STDBYR

LIN+

LIN-

RIN-

RIN+

3D

AVCC

LOUT-

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TS4999 Arkusz danych(PDF) 1 Page - STMicroelectronics

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