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TAA2009 Dataheets PDF



Part Number TAA2009
Manufacturers Tripath Technology
Logo Tripath Technology
Description DIGITAL AUDIO AMPLIFIER USING DIGITAL POWER PROCESSING
Datasheet TAA2009 DatasheetTAA2009 Datasheet (PDF)

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 ampl.

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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 @ 16Ω, 10% THD+N Extremely High Efficiency 90% @ 5W, 16Ω 86% @ 9W, 8Ω Dynamic Range = 96 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 Filterless Operation Option 32-pin QFN (Top View) IN2M C2 INL V5A BIASCAP AGND C1 IN1M THD+N (%) 1 0.5 0.2 0.1 0.05 RL = 16 Ω R L = 8Ω RL = 4Ω IN1P V5D GAIN0 DGND REF SLEEP MUTE FAULT 1 2 3 4 5 6 7 8 26 27 28 29 30 31 32 25 24 23 22 21 20 19 18 17 IN2P AGND GAIN1 5VGEN VDDA DCAP CPUMP SUB RL = 6Ω 11 10 16 15 14 13 12 9 VDD2 PGND2 OUTM2 OUTM1 PGND1 VDD1 OUTP1 OUTP2 0.02 0.01 1 2 3 4 5 6 7 8 9 10 20 Output Power (W) 1 TAA2009 –KLi/1.02/ 05.06 Tripath Technology, Inc. - Technical Information www.DataSheet4U.com A B S O L U T E M A X I M U M R A T I N G S (Note 1) SYMBOL VDD MUTE, SLEEP, GAIN1, GAIN0, INL TSTORE TA ESDHB MUTE Input Voltage Storage Temperature Range Operating Free-air Temperature Range ESD Susceptibility – Human Body Model (Note 2) PARAMETER Supply Voltage (note 1) Value 14 -0.3 to V5 + 0.3 -40 to 150 -40 to +85 1500 UNITS V V °C °C V Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Please note that this is not a valid “operating condition”. The maximum voltage on the VDD pins during operation is 13.2V. Refer to the Maximum Supply Voltage section on page 13. Note 2: Human body model, 100pF discharged thr.


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