21.3 A -106.3dB THD+N Feedback-After-LC Class-D Audio Amplifier Employing Current Feedback to Enable 530kHz LC-Filter Cut-Off Frequency. - Huajun Zhang 001; Haochun Fan; Miao Zhang 027; Marco Berkhout; Qinwen Fan (ISSCC, 2024)

21.1 A 121.7dB DR and -109.0dB THD+N Filterless Digital-Input Class-D Amplifier with an HV Multibit IDAC Using Tri-level Output and Employing a Transition-Rate-Balanced Bidirectional RTDEM Scheme. - Huajun Zhang 001; Mingshuang Zhang; Mengying Chen; Arthur Admiraal; Miao Zhang 027; Marco Berkhout; Qinwen Fan (ISSCC, 2024)

A 121.7-dB DR and -109.0-dB THD+N Filterless Digital-Input Class-D Amplifier With an HV IDAC Using Tri-Level Unit Cells. - Huajun Zhang 001; Mingshuang Zhang; Mengying Chen; Arthur Admiraal; Miao Zhang 027; Marco Berkhout; Qinwen Fan (IEEE J. Solid State Circuits, 2024)