A Compact Temperature Sensor With a Resolution FoM of 1.82 pJ·K2

In this article, a compact ultralow-power smart temperature sensor realized in 130-nm standard CMOS technology, provided by STMicroelectronics, is presented. The sensor is designed with the aim of measuring local temperature variations in the range of −20 °C-85 °C in temperature drift compensation a...

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Veröffentlicht in:	IEEE transactions on instrumentation and measurement 2020-01, Vol.69 (10), p.8571-8579
Hauptverfasser:	Ballo, Andrea, Bruno, Giuseppe, Grasso, Alfio Dario, Vaiana, Michele G. G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Circuits CMOS CMOS temperature sensor digital readout Oscillators Power consumption Power demand Resistors Sensors smart sensor Temperature measurement Temperature sensors temperature-to-digital converter Threshold voltage Topology ultralow-power
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creator	Ballo, Andrea Bruno, Giuseppe Grasso, Alfio Dario Vaiana, Michele G. G.
description	In this article, a compact ultralow-power smart temperature sensor realized in 130-nm standard CMOS technology, provided by STMicroelectronics, is presented. The sensor is designed with the aim of measuring local temperature variations in the range of −20 °C-85 °C in temperature drift compensation applications. It relies on a simple circuit topology that employs two current-controlled oscillators-a divider and a 15-bit counter-which allows temperature-to-digital conversion. Experimental results show an inaccuracy of ±0.6 °C ( 3\sigma ) and a resolution of 0.012 °C with power consumption as low as 6~\mu \text{W} at 1.3-V power supply with a total die area of only 0.00916 mm 2 .
doi_str_mv	10.1109/TIM.2020.2992839
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G.</creatorcontrib><title>A Compact Temperature Sensor With a Resolution FoM of 1.82 pJ·K2</title><title>IEEE transactions on instrumentation and measurement</title><addtitle>TIM</addtitle><description><![CDATA[In this article, a compact ultralow-power smart temperature sensor realized in 130-nm standard CMOS technology, provided by STMicroelectronics, is presented. The sensor is designed with the aim of measuring local temperature variations in the range of −20 °C-85 °C in temperature drift compensation applications. It relies on a simple circuit topology that employs two current-controlled oscillators-a divider and a 15-bit counter-which allows temperature-to-digital conversion. 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G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Compact Temperature Sensor With a Resolution FoM of 1.82 pJ·K2</atitle><jtitle>IEEE transactions on instrumentation and measurement</jtitle><stitle>TIM</stitle><date>2020-01-01</date><risdate>2020</risdate><volume>69</volume><issue>10</issue><spage>8571</spage><epage>8579</epage><pages>8571-8579</pages><issn>0018-9456</issn><eissn>1557-9662</eissn><coden>IEIMAO</coden><abstract><![CDATA[In this article, a compact ultralow-power smart temperature sensor realized in 130-nm standard CMOS technology, provided by STMicroelectronics, is presented. The sensor is designed with the aim of measuring local temperature variations in the range of −20 °C-85 °C in temperature drift compensation applications. It relies on a simple circuit topology that employs two current-controlled oscillators-a divider and a 15-bit counter-which allows temperature-to-digital conversion. 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subjects	Circuits CMOS CMOS temperature sensor digital readout Oscillators Power consumption Power demand Resistors Sensors smart sensor Temperature measurement Temperature sensors temperature-to-digital converter Threshold voltage Topology ultralow-power
title	A Compact Temperature Sensor With a Resolution FoM of 1.82 pJ·K2
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