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An ultra-low power CMOS smart temperature sensor for clinical temperature monitoring
Tao Wu1; Man-Kay Law1; Pui-In Mak1; Rui P. Martins1,2
2013-12-23
Conference NameIEEE International Conference of Electron Devices and Solid-State Circuits (EDSSC)
Source Publication2013 IEEE International Conference of Electron Devices and Solid-state Circuits
Conference Date3-5 June 2013
Conference PlaceHong Kong, PEOPLES R CHINA
Abstract

This paper presents an ultra-low power, high accuracy CMOS smart temperature sensor for clinical temperature monitoring applications. The proposed sensor trades off the sensing range and the conversion speed with improved accuracy and power consumption. The sensor consists of a power optimized analog frontend and a delta-sigma analog-to-digital converter (ΔΣADC) with dynamic element matching (DEM), as well as a modified gain stage to optimize the sensing range and relax the resolution requirement. Using a standard 0.18μm CMOS technology, the achieved accuracy and conversion speed after one-point calibration from 27°C to 47°C are ±0.1°C and 2 sample/s, respectively, while consuming only 1.1μW power. © 2013 IEEE.

KeywordCmos Smart Temperature Sensor Clinical Temperature Monitoring Application Dynamic Element Matching Sigma-delta Modulation Ultra-low Power
DOIhttp://doi.org/10.1109/EDSSC.2013.6628063
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000380585600033
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Cited Times [WOS]:5   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionINSTITUTE OF MICROELECTRONICS
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.State-Key Laboratory of Analog and Mixed Signal VLSI and FST/ECE, University of Macau, Macao, China
2.on leave from Instituto Superior Técnico (IST) / TU of Lisbon, Portugal.
First Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Tao Wu,Man-Kay Law,Pui-In Mak,et al. An ultra-low power CMOS smart temperature sensor for clinical temperature monitoring[C],2013.
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