A Zero-Crossing-Based Integrator with Bidirectional Two-Phase Charging and Selective-Reset Operations for \(Δ\)\(Σ\) ADCs - Dong-Jick Min; Jae Hoon Shim (IEEE International Symposium on Circuits and Systems, ISCAS 2021, Daegu, South Korea, May 22-28, 2021, 2021)