A 32-Channel Bidirectional Neural/EMG Interface with on-Chip Spike Detection for Sensorimotor Feedback

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Title: A 32-Channel Bidirectional Neural/EMG Interface with on-Chip Spike Detection for Sensorimotor Feedback
Author(s): Williams, I
Rapeaux, A
Liu, Y
Luan, S
Constandinou, TG
Item Type: Conference Paper
Abstract: This paper presents a novel 32-channel bidirectional neural interface, capable of high voltage stimulation and low power, low-noise neural recording. Current-controlled biphasic pulses are output with a voltage compliance of 9.25V, user configurable amplitude (max. 315 uA) & phase duration (max. 2 ms). The low-voltage recording amplifiers consume 23 uW per channel with programmable gain between 225 - 4725. Signals are 10-bit sampled at 16 kHz. Data rates are reduced by granular control of active recording channels, spike detection and event-driven communication, and repeatable multi-pulse stimulation configurations.
Publication Date: 17-Oct-2016
Date of Acceptance: 10-Aug-2016
URI: http://hdl.handle.net/10044/1/42259
Publisher: IEEE
Start Page: 528
End Page: 531
Copyright Statement: © 2016 IEEE. This paper is embargoed until publication.
Sponsor/Funder: Engineering & Physical Science Research Council (EPSRC)
Engineering & Physical Science Research Council (EPSRC)
Engineering & Physical Science Research Council (EPSRC)
Engineering & Physical Science Research Council (E
Funder's Grant Number: EP/I000569/1
EP/K015060/1
EP/M020975/1
BH141353 (EP/M025977/1)
Conference Name: IEEE Biomedical Circuits and Systems (BioCAS) Conference
Publication Status: Accepted
Start Date: 2016-10-17
Finish Date: 2016-10-19
Conference Place: Shanghai, China
Embargo Date: publication subject to indefinite embargo
Appears in Collections:Faculty of Engineering
Electrical and Electronic Engineering



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