TA2024

TECHNICAL INFORMATION Stereo 10W (4Ω) Class-T™ Digital Audio Amplifier using Digital Power Processing™ Technology TA2024 February 27, 2001 – Preliminary Rev. 1.0 General Description The TA2024 is a 10W/ch continuous average two-channel Class-T Digital Audio Power 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 ¾Computer/PC Multimedia ¾DVD Players ¾Cable Set-Top Products ¾Televisions ¾Video CD Players ¾Battery Powered Systems Features ¾Class-T architecture ¾Single Supply Operation ¾“Audiophile” Quality Sound ¾0.04% THD+N @ 9W, 4Ω ¾0.18% IHF-IM @ 1W, 4Ω ¾6W @ 8Ω, 0.1% THD+N ¾11W @ 4Ω, 0.1% THD+N ¾High Power ¾10W @ 8Ω, 10% THD+N ¾15W @ 4Ω, 10% THD+N ¾High Efficiency ¾88% @ 10W, 8Ω ¾81% @ 15W, 4Ω ¾Dynamic Range = 102 dB ¾Mute and Sleep inputs ¾Turn-on & turn-off pop suppression ¾Over-current protection ¾Over-temperature protection ¾Bridged outputs ¾36-pin Power SOP package Benefits ¾Fully integrated solution with FETs ¾Easier to design-in than Class-D ¾Reduced 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 Typical Performance THD+N versus Output Power 10 5 VDD = 12V f = 1kHz Av = 12 BW = 22Hz - 22kHz 2 1 THD+N (%) 0....