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TA2020-020 Datasheet(PDF) 1 Page - Tripath Technology Inc. |
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TA2020-020 Datasheet(HTML) 1 Page - Tripath Technology Inc. |
1 / 13 page TEC H NIC A L INFOR M ATION 1 of 13 TA2020-020, Rev. 4.0, 09.00 Stereo 20W (4 Ω Ω Ω Ω) Class-T Digital Audio Amplifier using Digital Power ProcessingTM Technology TA2020-020 September, 2000 General Description The TA2020-020 is a 20W continuous average two-channel Class-T Digital Audio Power Amplifier IC using Tripath’s proprietary Digital Power Processing TM technology. Class-T amplifiers offer both the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers. Applications DVD Players Mini/Micro Component Systems Automotive Audio Computer / PC Multimedia Cable Set-Top Products Televisions Battery Powered Systems Benefits Fully integrated solution with FETs Easier to design-in than Class-D Reduced system cost with no heat sink Dramatically improves efficiency versus Class-AB Signal fidelity equal to high quality linear amplifiers High dynamic range compatible with digital media such as CD, DVD, and internet audio Features Class-T architecture Single Supply Operation “Audiophile” Quality Sound 0.03% THD+N @ 10W 4 Ω 0.1% THD+N @12W 4 Ω 0.18% IHF-IM @ 1W 4 Ω High Power 13W @ 8 Ω, 10% THD+N 23W @ 4 Ω, 10% THD+N 38W EIAJ* VDD=14.4V @ 4 Ω *saturated square wave output High Efficiency 88% @ 12W 8 Ω 81% @ 20W 4 Ω Dynamic Range = 103 dB Up to 2X25Wrms @ 4 Ω, VDD=14.6V Mute and Sleep inputs Turn-on & turn-off pop suppression Over-current protection Over-temperature protection Bridged outputs 32-pin SSIP package Typical Performance Output Power (W) THD+N versus Output Power VDD = 13.5V Av = 12 f = 1kHz BW = 22Hz - 22kHz 1 2 3 4 5 6 7 8 9 10 20 500m R L= 8Ω R L= 4Ω 1 2 5 0.02 0.01 0.05 0.1 0.2 0.5 10 B |
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