A 1.62 µW 8-Channel Ultra-High Input Impedance EEG Amplifier for Dry and Non-Contact Biopotential Recording Applications

Mahshid Nasserian, Ali Peiravi, Farshad Moradi

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    6 Citationer (Scopus)

    Abstract

    In this paper, a low-power electroencephalogram (EEG) analog front-end (AFE) with ultra-high input impedance is presented. This AFE can be utilized for both dry and non-contact biomedical applications due to its very high input impedance along with DC signal suppression. The amplifier achieves an input impedance of 45 F 1 T and a common mode rejection ratio (CMRR) higher than 110 dB. The power consumption of the proposed 8-channel AFE and its input referred noise over the 0.5-100 Hz bandwidth are 1.62 μW and 2.62 μV rms, respectively. This yields a noise efficiency factor (NEF) of 3.11. The simulations are carried out in the 180 nm standard CMOS technology using a ± 0.5 V power supply.

    OriginalsprogEngelsk
    Titel2016 IFIP/IEEE International Conference on Very Large Scale Integration, VLSI-SoC 2016 : VLSI-SoC
    Antal sider6
    Vol/bind2016
    ForlagIEEE Press
    Publikationsdato22 nov. 2016
    Artikelnummer7753539
    ISBN (Elektronisk)978-1-5090-3561-8
    DOI
    StatusUdgivet - 22 nov. 2016
    Begivenhed2016 IFIP/IEEE International Conference on Very Large Scale Integration - Tallinn, Estland
    Varighed: 26 sep. 201628 sep. 2016

    Konference

    Konference2016 IFIP/IEEE International Conference on Very Large Scale Integration
    Land/OmrådeEstland
    ByTallinn
    Periode26/09/201628/09/2016

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