Mitsuhiro Iwaide

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A novel audio playback chip using digitally driven speaker architecture based on a delta-sigma modulator and newly proposed high-order mismatch shaper with novel dither circuit is presented. It can realize 5.5W output power into 4Ω speakers with only 3.3V power supply. The power efficiency from -10dBFS to 0dBFS is higher than 80%. The efficiency at(More)
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