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TAA2008 Datasheet(PDF) 1 Page - Tripath Technology Inc. |
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TAA2008 Datasheet(HTML) 1 Page - Tripath Technology Inc. |
1 / 18 page Tri p ath Techn o l o g y, I n c. - T echn i cal I n fo rmation 1 TAA2008 –KLi/1.0/05.06 TAA2008 STEREO 9W (8 Ω) CLASS-T™ DIGITAL AUDIO AMPLIFIER USING DIGITAL POWER PROCESSING™ TECHNOLOGY TECHNI C A L INF O RM A T ION Re v i sion 1.0 – M a y 2006 GEN E RA L DESCR I PTION The TAA2008 is a 9W/ch continuous average two-channel Class-T Digital Audio Power Amplifier IC using Tripath’s proprietary Digital Power Processing™ technology. The TAA2008, in a QFN package, along with extremely high efficiency, allows for a very compact amplifier design. Class-T amplifiers offer both the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers. APPLICA T IONS LCD TV’s LCD Monitors Plasma TV’s Computer/PC Multimedia Battery Powered Systems BENEFITS Fully integrated solution with FETs Compact packaging and board design 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 Capable of driving a wide range of load impedances TYPICAL PERFOR MANCE FEA T UR ES Class-T architecture Single Supply Operation “Audiophile” Quality Sound 0.025% THD+N @ 5W, 8 Ω 0.1% IHF-IM @ 1W, 8 Ω 6.3W @ 8 Ω, 0.1% THD+N 3.5W @ 16 Ω, 0.1% THD+N High Power 14.25W @ 6 Ω, 10% THD+N 9W @ 8 Ω, 10% THD+N 5W @ 16 Ω, 10% THD+N Extremely High Efficiency 89% @ 5W, 16 Ω 86% @ 9W, 8 Ω Dynamic Range = 98.5 dB Mute and Sleep modes Improved turn-on & turn-off pop suppression Over-current protection with automatic restart circuit Over-temperature protection Space saving 32-pin 8mm x 8mm x 1mm QFN package with exposed pad 0.01 10 0.02 0.05 0.1 0.2 0.5 1 2 5 1 20 2 3 4 5 6 7 8 9 10 VDD = 12V f = 1kHz A V = 12V/V BW = 22Hz - 20kHz(AES17) R L =16Ω R L =8 Ω R L =6 Ω R L =4 Ω THD+N versus Output Power Output Power (W) PGND1 5VGEN DCAP2 DCAP1 V5D AGND1 INV2 DGND PGND2 FAULT SLEEP AGND3 BIASCAP 18 17 1 8 7 6 5 4 3 2 OAOUT2 24 19 20 21 22 23 CPUMP VDDA |
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