TS4890IQT Datasheet

IC型號(hào)：
TS4890IQT
PDF描述：
RAIL TO RAIL OUTPUT 1W AUDIO POWER AMPLIFIER WITH STANDBY MO...
文件大?。?/label>
833.96KB
PDF頁數(shù)：
32頁
芯片廠家：
STMICROELECTRONICS

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TS4890

RAIL TO RAIL OUTPUT

AUDIO POWER AMPLIFIER WITH

STANDBY MODE ACTIVE LOW

OPERATING FROM

= 2.2V to 5.5V

RAI L TO RAIL OUTPUT POWER @

Vcc=5V, THD=1%, f=1kHz, with

鈩?/div>

Load

MODE

(10nA)

PIN CONNECTIONS

(Top View)

TS4890ID, TS4890IDT - SO8

Standby

Bypass

IN-

OUT

GND

OUT1

ULTRA LOW CONSUMPTION IN STANDBY

75dB

PSRR @ 217Hz from 5 to 2.2V

POP & CLICK REDUCTION CIRCUITRY

ULTRA LOW DISTORTION

(0.1%)

UNITY GAIN STABLE

AVAILABLE IN

SO8, MiniSO8 & DFN8

DESCRIPTION

The TS4890 (MiniSO8 & SO8) is an Audio Power

Amplifier capable of delivering 1W of continuous

RMS. ouput power into 8

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

thermal shutdown protection is also provided.

The TS4890 have 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.

APPLICATIONS

TYPICAL APPLICATION SCHEMATIC

TS4890IST - MiniSO8

Standby

Bypass

IN-

OUT

GND

OUT1

TS4890IQT - DFN8

STANDBY

BYPASS

IN+

IN-

OUT 2

GND

Vcc

OUT 1

Mobile Phones (Cellular / Cordless)

Laptop / Notebook Computers

PDAs

Portable Audio Devices

ORDER CODE

Part

Temperature

Number

Range

Package

Marking

鈥?/div>

TS4890

-40, +85擄C

鈥?/div>

4890I

4890

Cfeed

Rfeed

Vcc

Audio

Input

Cin

Vcc

Rin

Vin-

Vin+

Vout1 5

8 Ohms

Vcc

Rstb

Bypass

Standby

Bias

GND

TS4890

Av=-1

Vout2

MiniSO & DFN only available in Tape & Reel: with T suffix.

SO is available in Tube (D) and of Tape & Reel (DT)

June 2003

1/32

標(biāo)準(zhǔn)包裝
3,000
類別
集成電路 (IC)
家庭
線性 - 音頻放大器
系列
-
類型
AB 類
輸出類型
1-通道（單聲道）
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量
1W x 1 @ 8 歐姆
電源電壓
2.5 V ~ 5.5 V
特點(diǎn)
消除爆音，待機(jī)，熱保護(hù)
安裝類型
表面貼裝
供應(yīng)商設(shè)備封裝
8-DFN（3x3）
封裝/外殼
8-VFDFN 裸露焊盤
包裝
帶卷 (TR)
配用
497-6363-ND - BOARD DEMO FOR TS489

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TS4890IQT Datasheet

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