tripath technology, inc. - technical information 1 TDA2075 ? rev. 2.1/cs/12.04 TDA2075 stereo 75w (8 ? ) class-t digital audio amplifier driver using digital power processing tm technology advanced information revision 2.1 ? december 2004 general description the TDA2075 is a two-channel, 75w (8 ? ) per channel amplifier driver t hat uses tripath?s proprietary digital power processing (dpp tm ) technology. the TDA2075 offers hi gher integration over previous tripath amplifiers driver chipsets while prov iding exceptional audio performance for real world applications. class-t amplifiers offer both the audi o fidelity of class-ab and the power efficiency of class-d amplifiers. applications powered dvd players audio/video amplifiers & receivers multimedia speakers benefits reduced system cost with smaller/less expensive power supply and heat sink signal fidelity equal to high quality class-ab amplifiers high dynamic range compatible with digital media such as cd and dvd features class-t architecture with proprietary dpp ?audiophile? sound quality thd+n 0.015% at 50w, 8 ? , 1khz high efficiency 91% at +/-40v and 120w, 8 ? supports wide range of output power levels up to 120w/channel (6 ? ), single-ended outputs, @+/- 40v with 1% thd+n full audio bandwidth, 20hz to 20khz output over-current protection over- and under-voltage protection over-temperature protection 48-pin lqfp package complete amplifier evaluation board available typical performance for TDA2075 thd+n versus output power 0.001 10 0.002 0.005 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 % 2 200 5 10 20 50 100 w r l = 6 ? and 8 ? vs = +40v f = 1khz r bbm = 16.2k ? bw = 22hz - 20khz(aes17) ( datasheet : )
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