9.5 A 13.5b-ENOB Second-Order Noise-Shaping SAR with PVT-Robust Closed-Loop Dynamic Amplifier - Xiyuan TANG; Yang, Xiangxing; Zhao, Wenda; Hsu, Chen-Kai; Liu, Jiaxin; Shen, Linxiao; Mukherjee, Abhishek; Wei Shi; Pan, David Z.; Sun, Nan (2020 IEEE International Solid- State Circuits Conference - (ISSCC), 2020)