35.2 A Spatial-Domain Compressive-Sensing Photoacoustic Imager with Matrix-Multiplying SAR ADC. - Huan-Cheng Liao; Shunyao Zhang; Yumin Su; Arvind Govinday; Yiwei Zou; Wei Wang 433; Vivek Boominathan; Ashok Veeraraghavan; Lei Li; Kaiyuan Yang 001 (ISSCC, 2025)