TS4998 datasheet(1/33 Pages) STMICROELECTRONICS

номер детали	TS4998

подробное описание детали	2 x 1W differential input stereo audio amplifier

PDF	33 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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1 / 33 page

December 2007

Rev 1

1/33

33

TS4998

2 x 1W differential input stereo audio amplifier

Features

■ Operating range from VCC= 2.7V to 5.5V

■ 1W output power per channel @ VCC=5V,

THD+N=1%, RL=8Ω

■ Ultra low standby consumption: 10nA typ.

■ 80dB PSRR @ 217Hz with grounded inputs

■ High SNR: 106dB(A) typ.

■ Fast startup time: 45ms typ.

■ Pop&click-free circuit

■ Dedicated standby pin per channel

■ Lead-free QFN16 4x4mm package

Applications

■ Cellular mobile phones

■ Notebook and PDA computers

■ LCD monitors and TVs

■ Portable audio devices

Description

The TS4998 is designed for top-class stereo

audio applications. Thanks to its compact and

power-dissipation efficient QFN16 package with

exposed pad, it suits a variety of applications.

With a BTL configuration, this audio power

amplifier is capable of delivering 1W per channel

of continuous RMS output power into an 8

Ω load

@ 5V.

Each output channel (left and right), also has its

own external controlled standby mode pin to

reduce the supply current to less than 10nA per

channel. The device also features an internal

thermal shutdown protection.

The gain of each channel can be configured by

external gain setting resistors.

QFN16 4x4mm

Pin connections (top view)

www.st.com

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