TAA2009

Tripath Technology, Inc. - Technical Information www.DataSheet4U.com TAA2009 STEREO 9W (8 Ω ) CLASS-T™ DIGITAL AUDIO AMPLIFIER USING DIGITAL POWER PROCESSING™ TECHNOLOGY TECHNICAL INFORMATION Revision 1.02 – May 2006 GENERAL DESCRIPTION The TAA2009 is a 9W/ch continuous average two-channel Class-T Digital Audio Power Amplifier IC using Tripath’s proprietary Digital Power Processing™ technology. The TAA2009, 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. APPLICATIONS FEATURES 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 Differential inputs minimize common-mode noise Dramatically improves efficiency versus ClassAB 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 Sophisticated pop reduction circuit TYPICAL PERFORMANCE THD+N versus Output Power 10 VDD = 12V 5 2 f = 1kHz Gain1=0, Gain0=1 BW = 22Hz - 20kHz(AES17) Class-T architecture Single Supply Operation “Audiophile” Quality Sound 0.05% THD+N @ 5W, 8Ω 0.16% IHF-IM @ 1W, 8Ω 6.4W @ 8Ω, 0.1% THD+N 3.5W @ 16Ω, 0.1% THD+N High Power 10.6W @ 6Ω, 10% THD+N 9W @ 8Ω, 10% THD+N 5W @...