TS4871IST datasheet(1/42 Pages) STMICROELECTRONICS

Part #	TS4871IST

Description	Output rail-to-rail 1 W audio power amplifier with standby mode

PDF	42 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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Features

•

Operating from VCC = 2.5 V to 5.5 V

•

1 W rail-to-rail output power @ VCC = 5 V, THD = 1%, f = 1 kHz, with 8 Ω load

•

Ultra low consumption in standby mode (10 nA)

•

75 dB PSRR @ 217 Hz from 5 V to 2.6 V

•

Ultra low pop and click

•

Ultra low distortion (0.1%)

•

Unity gain stable

•

Available in MiniSO8

Applications

•

Mobile phones (cellular / cordless)

•

Laptop / notebook computers

•

PDAs

•

Portable audio devices

Description

The TS4871 is an audio power amplifier capable of delivering 1 W of continuous

RMS output power into 8 Ω load @ 5 V.

This audio amplifier exhibits 0.1% distortion level (THD) from a 5 V supply for a Pout

= 250 mW RMS. An external standby mode control reduces the supply current to less

than 10 nA. An internal thermal shutdown protection is also provided.

The TS4871 has been designed for high quality audio applications such as mobile

phones and to minimize the number of external components.

The unity-gain stable amplifier can be configured by external gain setting resistors.

Standby

Bypass

V +

IN

VIN-

V

2

OUT

GND

VCC

VOUT1

1

2

3

4

8

7

6

5

TS4871IST - MiniSO8

Product status link

TS4871

Output rail-to-rail 1 W audio power amplifier with standby mode

TS4871

Datasheet

DS2547 - Rev 10 - October 2024

For further information contact your local STMicroelectronics sales office.

www.st.com

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