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TPA3003D2 Datasheet(PDF) 1 Page - Texas Instruments |
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TPA3003D2 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 34 page TPA3003D2 SLOS406A − FEBRUARY 2003 − REVISED MARCH 2003 3W STEREO CLASSD AUDIO POWER AMPLIFIER WITH DC VOLUME CONTROL 1 www.ti.com FEATURES D 3-W/Ch Into an 8-Ω Load From 12-V Supply D Efficient, Class-D Operation Eliminates Heatsinks and Reduces Power Supply Requirements D 32-Step DC Volume Control From −40 dB to 36 dB D Third Generation Modulation Techniques − Replaces Large LC Filter With Small Low-Cost Ferrite Bead Filter D Thermal and Short-Circuit Protection APPLICATIONS D LCD Monitors and TVs D Powered Speakers 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 Ω. 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 –40 dB to 36 dB. Cs Cs 10 nF Cbs Cs Cs 10 nF Cbs PVCC PVCC Cs Cs 10 nF Cbs Cs Cs 10 nF Cbs PVCC PVCC 220 pF Cosc Rosc Ccpl 100 nF Cvdd Ccpr Crinp Crinn Clinn Clinp LINP LINN RINN RINP SYSTEM CONTROL VOLUME TPA3003D2 VCLAMPR SD V2P5 RINP LINN LINP AVDDREF VREF AGND AGND VOLUME REFGND MUTE NC NC NC AVDD AGND COSC ROSC AVCC VCLAMPL RINN AVDD AVCC C2p5 FADE 10 µF 10 µF 0.1 µF 0.1 µF 1 µF 1 µF 1 µF 1 µF 1 µF 0.1 µF 0.1 µF 10 µF 10 µF 1 µF 120 k Ω 1 µF Cs 0.1 µF Cvcc 10 µF MUTE CONTROL SYSTEM CONTROL 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. Copyright 2003, Texas Instruments Incorporated 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. |
Número de pieza similar - TPA3003D2_06 |
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Descripción similar - TPA3003D2_06 |
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