A 366kS/s 400uW 0.0013mm2 frequency-to-digital converter based CMOS temperature sensor utilizing multiphase clock

Kisoo Kim; Hokyu Lee; Sangdon Jung; Chulwoo Kim

doi:10.1109/CICC.2009.5280879

A 366kS/s 400uW 0.0013mm² frequency-to-digital converter based CMOS temperature sensor utilizing multiphase clock

Kisoo Kim, Hokyu Lee, Sangdon Jung, Chulwoo Kim

School of Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

44 Citations (Scopus)

Abstract

The proposed temperature sensor is based on CMOS ring oscillators and a frequency-to-digital converter capable of simple and efficient temperature conversion to digital value. The proposed temperature sensor consumes 400uW at a conversion rate of 366kS/s and performs the fastest temperature-to-digital conversion among those introduced in previous work. The whole block occupies 0.0066 mm² (0.0013 mm² for temperature sensor). Four multiphase clocks were utilized to enhance the resolution of the sensor 8 times better. After one point calibration, the chip-to-chip measurement spread was +2.748°C ∼ -2.899°C over the temperature range of -40°C to 110°C.

Original language	English
Title of host publication	2009 IEEE Custom Integrated Circuits Conference, CICC '09
Pages	203-206
Number of pages	4
DOIs	https://doi.org/10.1109/CICC.2009.5280879
Publication status	Published - 2009
Event	2009 IEEE Custom Integrated Circuits Conference, CICC '09 - San Jose, CA, United States Duration: 2009 Sept 13 → 2009 Sept 16

Publication series

Name	Proceedings of the Custom Integrated Circuits Conference
ISSN (Print)	0886-5930

Other

Other	2009 IEEE Custom Integrated Circuits Conference, CICC '09
Country/Territory	United States
City	San Jose, CA
Period	09/9/13 → 09/9/16

ASJC Scopus subject areas

Electrical and Electronic Engineering

Access to Document

10.1109/CICC.2009.5280879

Cite this

A 366kS/s 400uW 0.0013mm² frequency-to-digital converter based CMOS temperature sensor utilizing multiphase clock. / Kim, Kisoo; Lee, Hokyu; Jung, Sangdon et al.

2009 IEEE Custom Integrated Circuits Conference, CICC '09. 2009. p. 203-206 5280879 (Proceedings of the Custom Integrated Circuits Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kim, K, Lee, H, Jung, S & Kim, C 2009, A 366kS/s 400uW 0.0013mm² frequency-to-digital converter based CMOS temperature sensor utilizing multiphase clock. in 2009 IEEE Custom Integrated Circuits Conference, CICC '09., 5280879, Proceedings of the Custom Integrated Circuits Conference, pp. 203-206, 2009 IEEE Custom Integrated Circuits Conference, CICC '09, San Jose, CA, United States, 09/9/13. https://doi.org/10.1109/CICC.2009.5280879

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abstract = "The proposed temperature sensor is based on CMOS ring oscillators and a frequency-to-digital converter capable of simple and efficient temperature conversion to digital value. The proposed temperature sensor consumes 400uW at a conversion rate of 366kS/s and performs the fastest temperature-to-digital conversion among those introduced in previous work. The whole block occupies 0.0066 mm2 (0.0013 mm2 for temperature sensor). Four multiphase clocks were utilized to enhance the resolution of the sensor 8 times better. After one point calibration, the chip-to-chip measurement spread was +2.748°C ∼ -2.899°C over the temperature range of -40°C to 110°C.",

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