Low-power systematic integration of the instrumentation amplifier and the OTA-C filter for ECG acquisition systems

Tsung Heng Tsai*, Yen Cheng Chen

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

This paper presents low-power systematic integration of the instrumentation amplifier and the low-pass filter for portable ECG monitoring systems. To reduce overall power consumption, the electrode offset cancellation was carried out by sharing one operational transconductance amplifier (OTA) between the amplifier and the filter. Dual loops were implemented to provide offset cancellation so that the cancellation rage is extended. The analog front-end circuit is designed and simulated in a TSMC 90nm CMOS process. The total power consumption is 3.8 W from a 1-V supply voltage. Simulation results show that the achieved CMRR is 100.3 dB.

Original languageEnglish
Title of host publicationProceedings of 2011 International Symposium on Bioelectronics and Bioinformatics, ISBB 2011
Pages53-56
Number of pages4
DOIs
StatePublished - 2011
Event2nd International Symposium on Bioelectronics and Bioinformatics, ISBB 2011 - Suzhou, China
Duration: 3 Nov 20115 Nov 2011

Publication series

NameProceedings of 2011 International Symposium on Bioelectronics and Bioinformatics, ISBB 2011

Conference

Conference2nd International Symposium on Bioelectronics and Bioinformatics, ISBB 2011
Country/TerritoryChina
CitySuzhou
Period3/11/115/11/11

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