Author： Lee Hokyu Kim Kisoo Jung Sangdon Song Janghoon Kim Jong-Kook Kim Chulwoo
Publisher： Springer Publishing Company
ISSN： 0925-1030
Source： Analog Integrated Circuits and Signal Processing, Vol.64, Iss.2, 2010-08, pp. : 153-157
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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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