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TA2022

STEREO 90W (4Ω) CLASS-T™ DIGITAL AUDIO AMPLIFIER DRIVER USING DIGITAL POWER PROCESSING (DPP™) TECHNOLOGY

Tripath Technology Inc. 

Tripath Technology, Inc. - Technical Information

TA 2 0 2 2

STEREO 90W (4Ω) CLASS-T™ DIGITAL AUDIO AMPLIFIER

DRIVER USING DIGITAL POWER PROCESSING (DPP™)

TECHNOLOGY

Technical Information

Revision 1.2 – JULY 2004

GENERAL DESCRIPTION

The TA2022 is a 90W (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 Players

Mini/Micro Component Systems

Home Theater

Powered Speakers

BENEFITS

Fully integrated solution with internal

FETs

Dramatically improves efficiency versus

Class-AB amplifiers

Signal fidelity equal to high quality linear

amplifiers

High dynamic range compatible with

digital media such as CD and DVD

FEATURES

Class-T architecture

High Power

100W @ 4Ω, 1.0% THD+N

90W @ 4Ω, 0.1% THD+N

60W @ 8Ω, 0.1% THD+N

“Audiophile” Sound Quality

0.015% THD+N @ 70W 4Ω

0.015% THD+N @ 45W 8Ω

0.10% IHF-IM @ 25W 4Ω

High Efficiency

92% @ 88W 8Ω

87% @ 125W 4Ω

Dynamic Range = 102 dB

Mute Input

Integrated Gate Drive Supply

Over-current protection

Over and under-voltage protection

Single ended outputs

Outputs can be operated in bridged mode

32-pin SSIP package

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TA2022 – KLI/1.2/07-04

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