STEREO 90W DIGITAL AUDIO AMPLIFIER
Tripath Technology, Inc. - Technical Information
TA 2 0 2 2
STEREO 90W (4Ω) CLASS-T™ DIGITAL AUDIO AMPLIFIER DRIVER USI...
Description
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
1 TA2022 – KLI/1.2/07-04
Tripath Technology, Inc. - Technical Information
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
PARAMETER
VPP, VNN Supply Voltage (VPP1, VPP2, VNN1, VNN2)
V5 VN10
Positive ...
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