A 0.0018 mm2 frequency-to-digital-converter-based CMOS smart temperature sensor

Hokyu Lee; Kisoo Kim; Sangdon Jung; Janghoon Song; Jong Kook Kim; Chulwoo Kim

doi:10.1007/s10470-009-9434-3

A 0.0018 mm² frequency-to-digital-converter-based CMOS smart temperature sensor

Hokyu Lee, Kisoo Kim, Sangdon Jung, Janghoon Song, Jong Kook Kim, Chulwoo Kim

School of Electrical Engineering

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

6 Citations (Scopus)

Abstract

A frequency-to-digital converter based small size smart temperature sensor for portable applications is proposed. To reduce its size and power consumption, the proposed temperature sensor adopted frequency-to-digital converter without relying on a band-gap reference or a voltage/current analog-to-digital converter. The device was fabricated using a 90 nm CMOS process, occupying an area of 0.0018 mm² with a resolution of 3°C.

Original language	English
Pages (from-to)	153-157
Number of pages	5
Journal	Analog Integrated Circuits and Signal Processing
Volume	64
Issue number	2
DOIs	https://doi.org/10.1007/s10470-009-9434-3
Publication status	Published - 2010 Aug

Keywords

CMOS smart sensor
Frequency-to-digital converter
Ring oscillator
Temperature compensation
Temperature sensor

ASJC Scopus subject areas

Signal Processing
Hardware and Architecture
Surfaces, Coatings and Films

Access to Document

10.1007/s10470-009-9434-3

Cite this

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abstract = "A frequency-to-digital converter based small size smart temperature sensor for portable applications is proposed. To reduce its size and power consumption, the proposed temperature sensor adopted frequency-to-digital converter without relying on a band-gap reference or a voltage/current analog-to-digital converter. The device was fabricated using a 90 nm CMOS process, occupying an area of 0.0018 mm2 with a resolution of 3°C.",

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