TPA3003D2PFB Datasheet

IC型號：
TPA3003D2PFB
PDF描述：
3-W STEREO CLASS-D AUDIO POWER AMPLIFIER WITH DC VOLUME CONT...
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486.58KB
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33頁
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TI

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TPA3003D2

SLOS406A 鈭?FEBRUARY 2003 鈭?REVISED MARCH 2003

3 W STEREO CLASS D AUDIO POWER AMPLIFIER

WITH DC VOLUME CONTROL

FEATURES

3-W/Ch Into an 8-鈩?Load From 12-V Supply

Efficient, Class-D Operation Eliminates

Heatsinks and Reduces Power Supply

Requirements

32-Step DC Volume Control From 鈭?0 dB

to 36 dB

Third Generation Modulation Techniques

鈭?Replaces Large LC Filter With Small

Low-Cost Ferrite Bead Filter

Thermal and Short-Circuit Protection

DESCRIPTION

The TPA3003D2 is a 3-W (per channel) efficient,

Class-D audio amplifier for driving bridged-tied stereo

speakers. The TPA3003D2 can drive stereo speakers

as low as 8

鈩?

The high efficiency of the TPA3003D2

eliminates the need for external heatsinks when playing

music.

Stereo speaker volume is controlled with a dc voltage

applied to the volume control terminal offering a range

of gain from 鈥?0 dB to 36 dB.

APPLICATIONS

LCD Monitors and TVs

Powered Speakers

PVCC

10 nF

Cbs

碌F

0.1

碌F

0.1

碌F

PVCC

10 nF

Cbs

ROUTN

PVCCR

PGNDR

ROUTP

PVCCR

BSRN

BSRP

Ccpr

MUTE

AVCC

碌F

MUTE CONTROL

AVCC

0.1

碌F

Cvcc

碌F

SYSTEM CONTROL

RINN

RINP

Crinn

Crinp 1

碌F

C2p5

RINN

RINP

V2P5

LINP

LINN

AVDDREF

VREF

AGND

VCLAMPR

LINP

LINN

Clinp 1

碌F

Clinn

碌F

TPA3003D2

FADE

AVDD

COSC

ROSC

AGND

VCLAMPL

AVDD

Cosc

220 pF

Cvdd

100 nF

Rosc

120 k鈩?/div>

SYSTEM CONTROL

VOLUME

REFGND

PGNDL

LOUTN

LOUTP

PVCCL

BSLN

Ccpl

碌F

Cbs

10 nF

PVCC

0.1

碌F

0.1

碌F

Cbs

10 nF

PVCC

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.

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.

BSLP

錚?/div>

2003, Texas Instruments Incorporated

www.ti.com

標(biāo)準(zhǔn)包裝
250
類別
集成電路 (IC)
家庭
線性 - 音頻放大器
系列
-
類型
D 類
輸出類型
2 通道（立體聲）
在某負(fù)載時最大輸出功率 x 通道數(shù)量
3.75W x 2 @ 8 歐姆
電源電壓
8.5 V ~ 14 V
特點
差分輸入，短路和熱保護，關(guān)機，音量控制
安裝類型
表面貼裝
供應(yīng)商設(shè)備封裝
48-TQFP（7x7）
封裝/外殼
48-TQFP
包裝
托盤
其它名稱
296-15037

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