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题名: A low-cost CMOS programmable temperature
作者: Li, YL;  Wu, NJ
发表日期: 2008
摘要: A novel uncalibrated CMOS programmable temperature switch with high temperature accuracy is presented. Its threshold temperature T-th can be programmed by adjusting the ratios of width and length of the transistors. The operating principles of the temperature switch circuit is theoretically explained. A floating gate neural MOS circuit is designed to compensate automatically the threshold temperature T-th variation that results form the process tolerance. The switch circuit is implemented in a standard 0.35 mu m CMOS process. The temperature switch can be programmed to perform the switch operation at 16 different threshold temperature T(th)s from 45-120 degrees C with a 5 degrees C increment. The measurement shows a good consistency in the threshold temperatures. The chip core area is 0.04 mm(2) and power consumption is 3.1 mu A at 3.3V power supply. The advantages of the temperature switch are low power consumption, the programmable threshold temperature and the controllable hysteresis.
刊名: SENSORS
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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推荐引用方式:
Li, YL ; Wu, NJ .A low-cost CMOS programmable temperature ,SENSORS,2008 ,8(5): 3150-3164
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