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STEREO 25W (4Ω) CLASS-T™ DIGITAL AUDIO AMPLIFIER

General Description:
The TA2021B is a 25W (4Ω) continuous average per channel Class-T Digital Audio Power Amplifier IC using Tripath’s proprietary Digital Power Processing (DPPTM) technology. Class-T amplifiers offer both the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers.

Applications 


DVD Receivers Mini/Micro Component Systems Computer / PC Multimedia Cable Set-Top Products Televisions Battery Powered Systems

Features:

Class-T architecture Single Supply Operation “Audiophile” Quality Sound 0.05% THD+N @ 13W 4Ω0.1% THD+N @15.5W 4Ω0.1% IHF-IM @ 1W 4ΩHigh Power 25W @ 4Ω, 10% THD+N, VDD=14.6V 23.5W @ 4Ω, 10% THD+N, VDD=14.2V 14W @ 8Ω, 10% THD+N, VDD=14.2V High Efficiency 88% @ 13.5W 8Ω81% @ 25W 4ΩDynamic Range = 100 dB Mute and Sleep inputs Turn-on & turn-off pop suppression Over-current protection Over-temperature protection Bridged outputs 36-pin PSOP “Slug-Up” package 

Circuit Diagram: