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TA2020-020

ETC
Part Number TA2020-020
Manufacturer ETC
Description Stereo 20W Class-T Digital Audio Amplifier using Digital Power Processing
Published Jul 13, 2005
Detailed Description TECHNICAL INFORMATION B Stereo 20W (4Ω) Class-T Digital Audio Amplifier using Digital Power ProcessingTM Technology TA...
Datasheet PDF File TA2020-020 PDF File

TA2020-020
TA2020-020


Overview
TECHNICAL INFORMATION B Stereo 20W (4Ω) Class-T Digital Audio Amplifier using Digital Power ProcessingTM Technology TA2020-020 September, 2000 General Description The TA2020-020 is a 20W continuous average two-channel Class-T Digital Audio Power TM Amplifier IC using Tripath’s proprietary Digital Power Processing technology.
Class-T amplifiers offer both the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers.
Applications ¾DVD Players ¾Mini/Micro Component Systems ¾Automotive Audio ¾Computer / PC Multimedia ¾Cable Set-Top Products ¾Televisions ¾Battery Powered Systems Features ¾Class-T architecture ¾Single Supply Operation ¾“Audiophile” Quality Sound ¾0.
03% THD+N @ 10W 4Ω ¾0.
1% THD+N @12W 4Ω ¾0.
18% IHF-IM @ 1W 4Ω ¾High Power ¾13W @ 8Ω, 10% THD+N ¾23W @ 4Ω, 10% THD+N ¾38W EIAJ* VDD=14.
4V @ 4Ω *saturated square wave output Benefits ¾Fully integrated solution with FETs ¾ Easier to design-in than Class-D ¾ Reduced system cost with no heat sink ¾Dramatically improves efficiency versus Class-AB ¾Signal fidelity equal to high quality linear amplifiers ¾High dynamic range compatible with digital media such as CD, DVD, and internet audio ¾High Efficiency ¾88% @ 12W 8Ω ¾81% @ 20W 4Ω ¾Dynamic Range = 103 dB ¾Up to 2X25Wrms @ 4Ω, VDD=14.
6V ¾Mute and Sleep inputs ¾Turn-on & turn-off pop suppression ¾Over-current protection ¾Over-temperature protection ¾Bridged outputs ¾32-pin SSIP package Typical Performance THD+N versus Output Power 10 5 2 VDD = 13.
5V Av = 12 f = 1kHz BW = 22Hz - 22kHz THD+N (%) 1 0.
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01 500m 1 2 3 4 5 6 7 8 9 10 20 RL= 8Ω RL= 4Ω Output Power (W) 1 of 13 TA2020-020, Rev.
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00 TECHNICAL INFORMATION Absolute Maximum Ratings (Note 1) SYMBOL VDD TSTORE TA TJ Supply Voltage Storage Temperature Range Operating Free-air Temperature Range Junction Temperature PARAMETER B Value 16 -40° to 150° -40° to 85° 150° UNITS V C C C Note 1: Absolute Maximum Ratings indicate limit...



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