A Neural Recording IC for 64-Channel Time-Multiplexed MEA with 3.3-G$\Omega$ Total Input Impedance Using Dual Positive Feedback Loop $Z

Dong-Hwi Choi

Christopher Santos Dong-Hwi Choi Sohmyung Ha Minkyu Je A Neural Recording IC for 64-Channel Time-Multiplexed MEA with 3.3-G$\Omega$ Total Input Impedance Using Dual Positive Feedback Loop $Z_{\textit{IN}}$-Boosting. 2026 April 169-179 20 IEEE Trans. Biomed. Circuits Syst. 2 https://doi.org/10.1109/TBCAS.2025.3639063 db/journals/tbcas/tbcas20.html#SantosCHJ26 streams/journals/tbcas

Christopher Santos Dong-Hwi Choi Sohmyung Ha Minkyu Je A 64-channel Time-multiplexed Neural Recording IC with Dual Positive Feedback Loop ZIN-Boosting. 1-5 2025 ISCAS https://doi.org/10.1109/ISCAS56072.2025.11044205 conf/iscas/2025 db/conf/iscas/iscas2025.html#SantosCHJ25

Dong-Hwi Choi Dong-Woo Jee A 1984-Pixels, 1.26 nW/Pixel Retinal Prosthesis Chip With Time-Domain In-Pixel Image Processing and Bipolar Stimulating Electrode Sharing. 2757-2766 2023 October 58 IEEE J. Solid State Circuits 10 https://doi.org/10.1109/JSSC.2023.3284460 db/journals/jssc/jssc58.html#ChoiJ23

Edward Choi 0001 Injun Choi Vincent Lukito Dong-Hwi Choi Donghyeon Yi Ik-Joon Chang Sohmyung Ha Minkyu Je A 333TOPS/W Logic-Compatible Multi-Level Embedded Flash Compute-In-Memory Macro with Dual-Slope Computation. 1-2 2023 CICC https://doi.org/10.1109/CICC57935.2023.10121209 conf/cicc/2023 db/conf/cicc/cicc2023.html#ChoiCLCYCHJ23

Dong-Hwi Choi Hyeonhee Roh Maesoon Im Dong-Woo Jee A 4.49nW/Pixel Light-to-Stimulus Duration Converter-Based Retinal Prosthesis Chip. 1140-1148 2021 15 IEEE Trans. Biomed. Circuits Syst. 6 https://doi.org/10.1109/TBCAS.2021.3128418 db/journals/tbcas/tbcas15.html#ChoiRIJ21

Dong-Hwi Choi Dong-Woo Jee 1V 4.49nW/Pixel Retinal Prosthesis Chip with Light-to-Stimulus Duration Converter. 1-5 2021 ISCAS https://doi.org/10.1109/ISCAS51556.2021.9401380 conf/iscas/2021 db/conf/iscas/iscas2021.html#ChoiJ21 Ik Joon ChangIk-Joon Chang Edward Choi 0001 Injun Choi Sohmyung Ha Maesoon Im Minkyu Je Dong-Woo Jee Vincent Lukito Hyeonhee Roh Christopher Santos Donghyeon Yi