A 77μW 115dB-Dynamic-Range 586fA-Sensitivity Current-Domain Continuous-Time Zoom ADC with Pulse-Width-Modulated Resistor DAC and Background Offset Compensation Scheme. - Hao Zhang 119; Linxiao Shen; Shichuang Zhang; Heyi Li; Yihan Zhang 002; Zhichao Tan; Ru Huang 001; Le Ye (CICC, 2022)