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2x40W Two-Channel Class AB Audio Power Amplifier IC

Overview
The STK402-000 series products are audio power amplifier hybrid ICs that consist of optimally-designed discrete component power amplifier circuits that have been miniaturized using SANYO's unique insulated metal substrate technology (IMST). SANYO has adopted a new low thermal resistance substrate in these products to reduce the package size by about 60% as compared to the earlier SANYO STK407-000 series.
Circuit Diagram

STEREO 300W (4Ω) CLASS-T DIGITAL AUDIO AMPLIFIER

GENERAL DESCRIPTION 
The TA3020 is a two-channel, 300W (4Ω) per channel Amplifier Driver IC that uses 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.
FEATURES 
Class-T architecture Proprietary Digital Power Processing technology “Audiophile” Sound Quality 0.02% THD+N @ 50W, 8Ω 0.03% IHF-IM @ 30W, 8Ω High Efficiency 95% @ 150W @ 8Ω 90% @ 275W @ 4Ω Supports wide range of output power levels Up to 300W/channel (4Ω), single-ended outputs Up to 1000W (4Ω), bridged outputs Output over-current protection Over- and under-voltage protection Thermally Enhanced 48-pin DIP (dual-inline package)Circuit diagram: