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 ProcessingTM technology. Class-T amplifiers offer both the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers.

Features

Class-T architecture

Single Supply Operation

“Audiophile” Quality Sound

   0.03% THD+N @ 10W 4Ω

   0.1% THD+N @12W 4Ω

   0.18% IHF-IM @ 1W 4Ω

High Power

   13W @ 8Ω, 10% THD+N

   23W @ 4Ω, 10% THD+N

   38W EIAJ* VDD=14.4V @ 4Ω

       *saturated square wave output

High Efficiency

   88% @ 12W 8Ω

   81% @ 20W 4Ω

Dynamic Range = 103 dB

Up to 2X25Wrms @ 4Ω, 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

Applications

DVD Players

Mini/Micro Component Systems

Automotive Audio

Computer / PC Multimedia

Cable Set-Top Products

Televisions

Battery Powered Systems