{"title":"A Monolithic Bandpass Amplifier for Neural Signal Processing with 25-Hz Low-Frequency Cutoff","authors":"P. Samsukha, S. Garverick","doi":"10.1109/CICC.2007.4405707","DOIUrl":null,"url":null,"abstract":"A monolithic bandpass amplifier for neural signal recording is reported. The low-frequency cutoff of the amplifier is obtained using low-gm feedback and a bias current of 500 pA to obtain a predictable response without off-chip components or calibration. The measured passband gain is 37.9 dB from 25 Hz to 15 kHz and input-referred noise is 1.04 muV rms, using a power consumption of 162 muW and a die area of 0.13 mm2 in 0.5-mum CMOS.","PeriodicalId":130106,"journal":{"name":"2007 IEEE Custom Integrated Circuits Conference","volume":"19 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 IEEE Custom Integrated Circuits Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CICC.2007.4405707","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
A monolithic bandpass amplifier for neural signal recording is reported. The low-frequency cutoff of the amplifier is obtained using low-gm feedback and a bias current of 500 pA to obtain a predictable response without off-chip components or calibration. The measured passband gain is 37.9 dB from 25 Hz to 15 kHz and input-referred noise is 1.04 muV rms, using a power consumption of 162 muW and a die area of 0.13 mm2 in 0.5-mum CMOS.
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