A 2.1 μW/channel current-mode integrated neural recording interface

Zjajo, A; Van Leuken, Rene

doi:10.1109/bhi.2016.7455945

A 2.1 μW/channel current-mode integrated neural recording interface

Conference paper (2016)

Authors

A Zjajo Signal Processing Systems -

Rene Van Leuken Signal Processing Systems -

Research Group

Signal Processing Systems () (TU Delft)

DOI: https://doi.org/10.1109/bhi.2016.7455945

Transistors Capacitance Band-pass filters Digital-analog conversion Analog-digital conversion Bandwith

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Published Date

21-04-2016

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Microelectronics

Research Group

Signal Processing Systems

Abstract

In this paper, we present a neural recording interface circuit for biomedical implantable devices, which includes low-noise signal amplification, band-pass filtering, and current-mode successive approximation A/D signal conversion. The integrated interface circuit is realized in a 65 nm CMOS technology, and consumes less than 2.1 μW/channel of which A/D converter consumes 367 nW, corresponding to a figure of merit of 14 fJ/conv.-step, while operating from a 1 V supply.

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