GENERAL DESCRIPTION
Class-T amplifiers offer both the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers. APPLICATIONS
Powered DVD Players Audio/Video Amplifiers & Receivers Multimedia Speakers FEATURES
Class-T architecture with proprietary DPP “Audiophile” Sound Quality THD+N 0.015% at 50W, 8Ω, 1kHz High Efficiency 91% at +/-40V and 120W, 8Ω Supports wide range of output power levels Up to 120W/channel (6Ω), single-ended outputs, @+/- 40V with 1% THD+N Full Audio Bandwidth, 20Hz to 20kHz Output over-current protection Over- and under-voltage protection Over-temperature protection 48-Pin LQFP Package Complete Amplifier Evaluation Board available Benefits Reduced system cost with smaller/less expensive power supply and heat sink Signal fidelity equal to high quality Class-AB amplifiers High dynamic range compatible with digital media such as CD and DVD Typical Performance for TDA2075 THD+N versus Output Power 10 5 2 1 0.5 0.2 RL = 6Ω and 8Ω Vs = +40V f = 1kHz RBBM = 16.2KΩ BW = 22Hz - 20kHz(AES17) % 0.1 0.05 0.02 0.01 0.005 0.002 0.001 2 5 10 20 50 100 200 W 1 TDA2075 – Rev.