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dc.contributor.author George, Arup K. -
dc.contributor.author Lee, Junghyup -
dc.contributor.author Kong, Zhi Hui -
dc.contributor.author Je, Minkyu -
dc.date.available 2017-07-05T08:37:10Z -
dc.date.created 2017-04-10 -
dc.date.issued 2016-07 -
dc.identifier.issn 1530-437X -
dc.identifier.uri http://hdl.handle.net/20.500.11750/2242 -
dc.description.abstract A low-voltage, low-power, capacitance-to-digital converter (CDC) that is insensitive to supply and temperature variations is presented in this paper. The CDC comprises two matched RC oscillators and a counter-based programmable digital converter. The transfer function of the proposed CDC is a scaled ratio of the capacitors having equal drift coefficients, making it insensitive to supply as well as temperature variations. Worst case temperature-dependent drift of ±153.4 ppm/°C is measured between -40 and +120 °C while worst case supply-dependent drift of ±1.12% is measured between 0.8 and 1.2 V over full-scale capacitance range. The proposed CDC achieves 2.05 fF resolution, consuming 23 μA from a 0.8 V supply, at a full-scale range of 3.36 pF. The CDC, realized in 0.18-μm CMOS process, has an active area of 0.102 mm2 and offers a scalable resolution within a range of 2-13 b. © 2016 IEEE. -
dc.publisher Institute of Electrical and Electronics Engineers Inc. -
dc.title A 0.8 V Supply- and Temperature-Insensitive Capacitance-to-Digital Converter in 0.18-Mum CMOS -
dc.type Article -
dc.identifier.doi 10.1109/JSEN.2016.2559164 -
dc.identifier.scopusid 2-s2.0-84976328893 -
dc.identifier.bibliographicCitation IEEE Sensors Journal, v.16, no.13, pp.5354 - 5364 -
dc.subject.keywordAuthor Capacitive sensor -
dc.subject.keywordAuthor sensor interface -
dc.subject.keywordAuthor capacitance-to-digital converter -
dc.subject.keywordAuthor low-power -
dc.subject.keywordAuthor low-voltage -
dc.subject.keywordAuthor relaxation oscillator -
dc.subject.keywordAuthor MEMS -
dc.subject.keywordPlus Capacitance -
dc.subject.keywordPlus Capacitance-to-Digital Converter -
dc.subject.keywordPlus Capacitive Sensor -
dc.subject.keywordPlus Capacitive Sensors -
dc.subject.keywordPlus CMOS Integrated Circuits -
dc.subject.keywordPlus COMPENSATION -
dc.subject.keywordPlus DESIGN -
dc.subject.keywordPlus Digital Converters -
dc.subject.keywordPlus Frequency Converters -
dc.subject.keywordPlus FRONT-END -
dc.subject.keywordPlus Low-Power -
dc.subject.keywordPlus Low-Voltage -
dc.subject.keywordPlus Low Power -
dc.subject.keywordPlus Low Voltages -
dc.subject.keywordPlus MemS -
dc.subject.keywordPlus Oscillators (Electronic) -
dc.subject.keywordPlus Relaxation Oscillator -
dc.subject.keywordPlus Relaxation Oscillators -
dc.subject.keywordPlus Sensor Interface -
dc.subject.keywordPlus TemPERATURE -
dc.subject.keywordPlus Temperature-Insensitive -
dc.subject.keywordPlus Temperature Dependent -
dc.subject.keywordPlus Temperature Distribution -
dc.subject.keywordPlus Temperature Variation -
dc.citation.endPage 5364 -
dc.citation.number 13 -
dc.citation.startPage 5354 -
dc.citation.title IEEE Sensors Journal -
dc.citation.volume 16 -
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Department of Electrical Engineering and Computer Science Integrated Nano-Systems Laboratory 1. Journal Articles

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