UM
A 10.6 pJ·K2 Resolution FoM Temperature Sensor Using Astable Multivibrator
Wang B.1; Law M.-K.3; Tsui C.-Y.2; Bermak A.1
2018-07-01
Source PublicationIEEE Transactions on Circuits and Systems II: Express Briefs
ISSN15497747
Volume65Issue:7Pages:869-873
AbstractThis brief presents a 0.9-μW duty-cycle-modulated temperature sensor with a sub-μA peak current for energy harvester- or micro-battery-powered systems. A compact sensing frontend is proposed to achieve low power, together with various device-level leakage and nonlinearity compensation techniques adopted to minimize the sensor error. In addition, a current-starved multivibrator which provides inherent clamping voltages is used for duty cycle modulation for overall energy savings. The sensor designed in 0.18-μm CMOS process achieves a resolution figure of merit of 10.6 pJ.K, which is among the most energy-efficient designs to date. Trimmed at 30 °C, the sensor achieves ±0.85 °C precision from -30 °C to 120 °C. The maximum supply sensitivity is 0.7 °C/V for a 1.6-2 V supply.
Keywordbipolar CMOS temperature sensor emitter-coupled astable multivibrator peak current self-regulated BGR
DOI10.1109/TCSII.2017.2739707
URLView the original
Language英語
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Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Hamad Bin Khalifa University, College of Science and Engineering
2.Hong Kong University of Science and Technology
3.Universidade de Macau
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Wang B.,Law M.-K.,Tsui C.-Y.,et al. A 10.6 pJ·K2 Resolution FoM Temperature Sensor Using Astable Multivibrator[J]. IEEE Transactions on Circuits and Systems II: Express Briefs,2018,65(7):869-873.
APA Wang B.,Law M.-K.,Tsui C.-Y.,&Bermak A..(2018).A 10.6 pJ·K2 Resolution FoM Temperature Sensor Using Astable Multivibrator.IEEE Transactions on Circuits and Systems II: Express Briefs,65(7),869-873.
MLA Wang B.,et al."A 10.6 pJ·K2 Resolution FoM Temperature Sensor Using Astable Multivibrator".IEEE Transactions on Circuits and Systems II: Express Briefs 65.7(2018):869-873.
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