Wearable Biomedical ICs Review

论文评述：A Compact Photocurrent Recording IC With High-Linearity Dual PWM Buffered R-DACs
一款基于 90 nm CMOS、采用无源积分器、VCO 量化器与粗细两级反馈 R-DAC 的紧凑型高动态范围光电流记录芯片。