A Compact, Low-Power Analog Front-End With Event-Driven Input Biasing for High-Density Neural Recording in 22-nm FDSOI

X Huang,M Ballini,S Wang,B Miccoli,C Van Hoof,G Gielen, J Craninckx

IEEE Transactions on Circuits and Systems II: Express Briefs（2022）

引用 13|浏览15

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摘要

An ultra-small-area, low-power analog front-end (AFE) for high-density neural recording is presented in this brief. It features an 11-bit incremental delta-sigma analog-to-digital converter ( $\Delta \Sigma $ ADC) enhanced with an offset-rejecting event-driven input biasing network. This network avoids saturation of the ADC in...

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关键词

Capacitors,Electrodes,Data conversion,Silicon-on-insulator,Leakage currents,Resistors,Modulation

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