A 2×20W 0.0013% THD+N Class-D audio amplifier with consistent performance up to maximum power level. - Eric Cope; Julian Aschieri; Tony Lai; Franklin Zhao; Walter Grandfield; Michael Clifford; Pete Rathfelder; Qiyuan Liu 001; Siddartha Kavilipati; Aaron Vandergriff; Gerald Miaille (ISSCC, 2018)