VLSI Potentiostat Array With Oversampling Gain Modulation for Wide-Range Neurotransmitter Sensing

@article{Stanacevic2007VLSIPA,
  title={VLSI Potentiostat Array With Oversampling Gain Modulation for Wide-Range Neurotransmitter Sensing},
  author={Milutin Stanacevic and Kartikeya Murari and Abhishek Rege and Gert Cauwenberghs and Nitish V. Thakor},
  journal={IEEE Transactions on Biomedical Circuits and Systems},
  year={2007},
  volume={1},
  pages={63-72}
}
A 16-channel current-measuring very large-scale integration (VLSI) sensor array system for highly sensitive electrochemical detection of electroactive neurotransmiters like dopamine and nitric-oxide is presented. Each channel embeds a current integrating potentiostat within a switched-capacitor first-order single-bit delta-sigma modulator implementing an incremental analog-to-digital converter. The duty-cycle modulation of current feedback in the delta-sigma loop together with variable… CONTINUE READING

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