A 174 pW-488.3 nW 1 S/s-100 kS/s all-dynamic resistive temperature sensor with speed/resolution/resistance adaptability

H. Xin; M.N. Andraud; P.G.M. Baltus; E. Cantatore; P.J.A. Harpe

doi:10.1109/LSSC.2018.2827883

A 174 pW-488.3 nW 1 S/s-100 kS/s all-dynamic resistive temperature sensor with speed/resolution/resistance adaptability

H. Xin, M.N. Andraud, P.G.M. Baltus, E. Cantatore, P.J.A. Harpe

Research output: Contribution to journal › Article › Academic › peer-review

66 Citations (Scopus)

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Abstract

A versatile resistive temperature sensor for Internet-of-Things is presented, based on an all-dynamic architecture. This allows efficient scaling of power with conversion rate, enables optional oversampling for an adaptable resolution, and provides efficient adaptability to different resistor values. A new double-sided measurement mode is proposed to compensate for offset, 1/f noise and nonidealities at system level. The sensor achieves a minimum power consumption of 174 pW at 1 S/s measurement rate, which scales up to 488.3 nW at 100 kS/s. It offers a nominal rms resolution of 0.61 °C and a resolution FoM as low as 1.82 pJ °C2.

Original language	English
Article number	08340145
Pages (from-to)	70-73
Number of pages	4
Journal	IEEE Solid-State Circuits Letters
Volume	1
Issue number	3
DOIs	https://doi.org/10.1109/LSSC.2018.2827883
Publication status	Published - Mar 2018

Keywords

Duty-cycling
Dynamic
Internet-of-Things (IoT)
Resistive bridge
SAR ADC
Temperature sensor

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10.1109/LSSC.2018.2827883

publishers versionFinal published version, 1.4 MBLicence: TAVERNE

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AU - Harpe, P.J.A.

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A 174 pW-488.3 nW 1 S/s-100 kS/s all-dynamic resistive temperature sensor with speed/resolution/resistance adaptability

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Keywords

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