Please use this identifier to cite or link to this item: https://doi.org/10.1109/BioCAS.2012.6418430
Title: A compact, low input capacitance neural recording amplifier with C in/Gain of 20fF.V/V
Authors: Ng, K.A.
Xu, Y.P. 
Issue Date: 2012
Source: Ng, K.A.,Xu, Y.P. (2012). A compact, low input capacitance neural recording amplifier with C in/Gain of 20fF.V/V. 2012 IEEE Biomedical Circuits and Systems Conference: Intelligent Biomedical Electronics and Systems for Better Life and Better Environment, BioCAS 2012 - Conference Publications : 328-331. ScholarBank@NUS Repository. https://doi.org/10.1109/BioCAS.2012.6418430
Abstract: This paper presents a compact and low input capacitance neural recording amplifier. By replacing a single feedback capacitor with a clamped T-capacitor network, the proposed amplifier can achieve same mid-band gain with less input capacitance, resulting in a smaller silicon area and higher input impedance. Fabricated in 0.35μm CMOS, the amplifier occupies merely 0.056mm2. It achieves 38.1-dB mid-band gain with 1.6pF input capacitance, and hence has a Cin/Gain ratio of 20fF.V/V. It has an input referred noise of 6.72μVrms over 8.4-kHz bandwidth and NEF of 4, and consumes 6μW. In-vivo recordings from an animal experiment are also demonstrated. © 2012 IEEE.
Source Title: 2012 IEEE Biomedical Circuits and Systems Conference: Intelligent Biomedical Electronics and Systems for Better Life and Better Environment, BioCAS 2012 - Conference Publications
URI: http://scholarbank.nus.edu.sg/handle/10635/83340
ISBN: 9781467322935
DOI: 10.1109/BioCAS.2012.6418430
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