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TA0104A Datasheet(PDF) 1 Page - Tripath Technology Inc. |
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TA0104A Datasheet(HTML) 1 Page - Tripath Technology Inc. |
1 / 18 page Tr i p ath Technol ogy, I n c. - Techni cal I n for m ati on TA0104A STEREO 500W (4 Ω) CLASS-T DIGITAL AUDIO AMPLIFIER DRIVER USING DIGITAL POWER PROCESSING (DPPTM) TECHNOLOGY Technical Information Rev i sion 3.1 – J une 2000 GENERAL DESCRIPTION T he T A 0104A is a 500W continuous average (4 Ω ), tw o channel Amplifier Driver Module w h ich uses T r ipath’s proprietary Digital Pow e r Processing (DPP TM ) technology . Class-T amplifiers offer both the audio fidelity of Class-AB and the pow er efficiency of Class-D amplifiers. APPLICATIONS Audio/Video Amplifiers/Receivers Pro-audio Amplifiers Automobile Power Amplifiers Subwoofer Amplifiers 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 Proprietary Digital Power Processing technology Supports wide range of output power levels “Audiophile” Sound Quality 0.02% THD+N @ 300W, 8 Ω 0.02% IHF-IM @ 100W, 8 Ω 350W @ 8 Ω, 0.1% THD+N, Vs = +90V 500W @ 4 Ω, 0.1% THD+N, Vs = +90V High Power 450W @ 8 Ω, 1% THD+N, Vs = +90V 750W @ 4 Ω, 1% THD+N, Vs = +90V High Efficiency 90% @ 400W @ 8 Ω, Vs = +75V 85% @ 600W @ 4 Ω, Vs = +75V Dynamic Range = 106 dB Requires only N-Channel MOSFET output transistors High power supply rejection ratio Mute input Outputs short-circuit protected Over- and under-voltage protection Bridgeable, single-ended outputs 38-pin quad package Supports 100kHz BW of Super Audio CD and DVD- Audio (Refer to Application Note for specifics) TYPICAL PERFORMANCE AT +90V THD+N vs Output Power Output Power (W) 0.01 10 0.02 0.05 0.1 0.2 0.5 1 2 5 0.005 0.001 0.002 20Hz - 22kHz BW f = 1kHz BBM = 25nS V S = +/-90V Av = 200 ST STW38NB20 MOSFET R L = 4Ω R L = 8Ω 1 500 2 5 10 20 50 100 200 1K 1 TA104A – Rev. 3.1/06.00 |
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