Tr i path Technol ogy, I nc. - Techni cal I nfor m ati on
TA2022
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 (DPP
TM
) technology. Class-T amplifiers offer
both the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers.
APPLICATIONS
FEATURES
DVD Players
Mini/Micro Component Systems
Home Theater
Powered Speakers
BENEFITS
Class-T architecture
High Power
100W @ 4Ω, 1.0% THD+N
90W @ 4Ω, 0.1% THD+N
60W @ 8Ω, 0.1% THD+N
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
“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
1
TA2022 – KLI/1.2/07-04
TRIPATH [ TRIPATH TECHNOLOGY INC. ]
