Chip implementation with combined temperature sensor and reference devices based on DZTC principle
Resource
ELECTRONICS LETTERS, 46(13), 919-U72
Journal
Electronics Letters
Pages
919
Date Issued
2010
Date
2010
Author(s)
Abstract
A CMOS temperature sensor design to improve the sensitivity and linearity of the authors' previous work is presented. Based on the principle of double zero temperature coefficient (DZTC) points, a combined device is fabricated using 0.35 µm CMOS process with two voltage references, one current reference, and one temperature sensor. From −20 to 120°C, two voltage references provide temperature-stable outputs of 823±0.2 and 1265±8.9 mV, and the current reference gives 23.5±1.2 µA. The temperature sensor has good sensitivity of 9.55 mV/°C better than the previous design by 4.15 times, and high linearity of 97%.
SDGs
Type
journal article
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