A 90-dB-SNDR Calibration-Free Fully Passive Noise-Shaping SAR ADC With 4× Passive Gain and Second-Order DAC Mismatch Error Shaping.
Jiaxin LiuXing WangZijie GaoMingtao ZhanXiyuan TangChen-Kai HsuNan SunPublished in: IEEE J. Solid State Circuits (2021)