10.4 A 3.7mW 12.5MHz 81dB-SNDR 4th-Order CTDSM with Single-OTA and 2nd-Order NS-SAR - Wei Shi; Liu, Jiaxin; Mukherjee, Abhishek; Yang, Xiangxing; Xiyuan TANG; Shen, Linxiao; Zhao, Wenda; Sun, Nan (2021 IEEE International Solid- State Circuits Conference (ISSCC), 2021)