TA2041A Datasheet, PDF (1/19 Pages) Tripath Technology Inc. – FOUR CHANNEL CLASS-T DIGITAL AUDIO AMPLIFIER USING DIGITAL POWER PROCESSING (DPPTM ) TECHNOLOGY

Tripath Technology, Inc. - Technical Information
TA 2 0 4 1 A
FOUR CHANNEL CLASS-T DIGITAL AUDIO AMPLIFIER USING
DIGITAL POWER PROCESSING (DPP^TM ) TECHNOLOGY
Technical Information
Revision 5.4 – April 2005
GENERAL DESCRIPTION
The TA2041A is a four-channel Audio Amplifier that uses 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. The TA2041A has been designed specifically for automotive
head unit applications and is configured with four bridged outputs operating on a single 10-21V
supply.
APPLICATIONS
Automotive Head Units
DVD Receivers
Multimedia Speaker Systems
BENEFITS
4-channel (280W) solution – with integrated
FETs - in a single 32-pin SSIP package
High fidelity, high efficiency Class-T
Low external component count
Single-supply operation
FEATURES
Class-T architecture
Four H-Bridge outputs
“Audiophile” Sound Quality
High Efficiency
High Power @20.0V
70W_{sat. sq. wave} @ 4Ω
50W @ 4Ω, 10% THD+N
“Audiophile” Quality Sound
0.04% THD+N @ 27W 4Ω
0.02% IHF-IM @ 5W 4Ω
High Efficiency
86% @ 70W 4Ω
AM “Low EMI” mode
Pop-Free startup and shutdown
High Dynamic Range
Mute and Stand-By function
Automatic DC Offset Trim
Clip Detection Output
Protection Modes:
Output Short to VPP and Ground
Output Short across Load
Load Dump Protection
Over-/Under-Voltage Protection
Over-current Protection
Over-temperature Protection
Fortuitous Open Ground
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TA2041A – KL/ Rev. 5.4/04.05