TPA301DGN Datasheet

IC型號：
TPA301DGN
PDF描述：
350-mW MONO AUDIO POWER AMPLIFIER
文件大?。?/label>
356.77KB
PDF頁數(shù)：
22頁
芯片廠家：
TI

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TPA301

350-mW MONO AUDIO POWER AMPLIFIER

SLOS208C 鈥?JANUARY1998 鈥?REVISED MARCH 2000

Fully Specified for 3.3-V and 5-V Operation

Wide Power Supply Compatibility

2.5 V 鈥?5.5 V

Output Power for R

= 8

鈩?/div>

鈥?350 mW at V

= 5 V, BTL

鈥?250 mW at V

= 3.3 V, BTL

Ultra-Low Quiescent Current in Shutdown

Mode . . . 0.15

碌A(chǔ)

Thermal and Short-Circuit Protection

Surface-Mount Packaging

鈥?SOIC

鈥?PowerPAD鈩?MSOP

D OR DGN PACKAGE

(TOP VIEW)

SHUTDOWN

BYPASS

IN+

IN鈥?/div>

鈥?/div>

GND

description

The TPA301 is a bridge-tied load (BTL) audio power amplifier developed especially for low-voltage applications

where internal speakers are required. Operating with a 3.3-V supply, the TPA301 can deliver 250-mW of

continuous power into a BTL 8-鈩?load at less than 1% THD+N throughout voice band frequencies. Although

this device is characterized out to 20 kHz, its operation was optimized for narrower band applications such as

cellular communications. The BTL configuration eliminates the need for external coupling capacitors on the

output in most applications, which is particularly important for small battery-powered equipment. This device

features a shutdown mode for power-sensitive applications with a quiescent current of 0.15

碌A(chǔ)

during shutdown.

The TPA301 is available in an 8-pin SOIC surface-mount package and the surface-mount PowerPAD MSOP,

which reduces board space by 50% and height by 40%.

VDD 6

Audio

Input

IN 鈥?/div>

IN+

VDD/2

VO+ 5

碌F

鈥?/div>

VDD

0.1

碌F

BYPASS

鈥?/div>

VO鈥?8

GND

350 mW

From System Control

SHUTDOWN

Bias

Control

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PowerPAD is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

漏

2000, Texas Instruments Incorporated

POST OFFICE BOX 655303

鈥?/div>

DALLAS, TEXAS 75265

標(biāo)準(zhǔn)包裝
80
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)載時最大輸出功率 x 通道數(shù)量
700mW x 1 @ 8 歐姆
電源電壓
2.5 V ~ 5.5 V
特點(diǎn)
短路和熱保護(hù)，關(guān)閉
安裝類型
表面貼裝
供應(yīng)商設(shè)備封裝
8-MSOP-PowerPad
封裝/外殼
8-TSSOP，8-MSOP（0.118"，3.00mm 寬）裸露焊盤
包裝
管件
配用
296-10834-ND - EVAL MOD FOR TPA301
其它名稱
296-1946296-1946-5

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