TS4972IJT Datasheet

IC型號(hào)：
TS4972IJT
PDF描述：
1.2W AUDIO POWER AMPLIFIER WITH STANDBY MODE ACTIVE HIGH
文件大?。?/label>
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PDF頁(yè)數(shù)：
28頁(yè)
芯片廠家：
STMICROELECTRONICS

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TS4972

1.2W

AUDIO POWER AMPLIFIER

WITH STANDBY MODE ACTIVE HIGH

OPERATING FROM

= 2.5V to 5.5V

RAIL TO RAIL

OUTPUT

1.2W OUTPUT POWER @ Vcc=5V, THD=1%,

F=1kHz, with

鈩?/div>

Load

MODE

(10nA)

PIN CONNECTIONS

(Top View)

TS4972JT - FLIP CHIP

ULTRA LOW CONSUMPTION IN STANDBY

75dB

PSRR @ 217Hz from 2.5 to 5V

LOW POP & CLICK

ULTRA LOW DISTORTION

(0.05%)

UNITY GAIN STABLE

FLIP CHIP PACKAGE 8 x 300碌m bumps

DESCRIPTION

The TS4972 is an Audio Power Amplifier capable

of delivering 1.6W of continuous RMS ouput pow-

er into a 4

鈩?/div>

load @ 5V.

This Audio Amplifier is exhibiting 0.1% distortion

level (THD) from a 5V supply for a Pout = 250mW

RMS. An external standby mode control reduces

the supply current to less than 10nA. An internal

shutdown protection is provided.

The TS4972 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.

TYPICAL APPLICATION SCHEMATIC

Cfeed

Rfeed

VCC

Audio

Input

Cin

Vin+

8 Ohms

VCC

Rin

Vin-

Vout 1

Vin

Vcc

Stdby

Vout1

Vout2

Vin

Gnd

Bypass

APPLICATIONS

Mobile Phones (Cellular / Cordless)

PDAs

Laptop/Notebook computers

Portable Audio Devices

ORDER CODE

Part

Number

TS4972IJT

Temperature

Range

-40, +85擄C

Package

Marking

鈥?/div>

4972

VCC

Rstb

AV = -1

Bypass

Standby

Bias

GND

Vout 2

TS4972

J =

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

January 2003

1/28

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