基于阈值的参考电压与pn结温度补偿

2009 52nd IEEE International Midwest Symposium on Circuits and Systems Pub Date : 2009-09-15 DOI:10.1109/MWSCAS.2009.5236128

Yen-Ting Wang, R. Geiger, Shu-Chuan Huang

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引用次数: 2

摘要

介绍了一种新的电压基准，其输出依赖于NMOS晶体管的阈值电压。低温系数是通过使用pn结PTAT电流发生器来补偿阈值电压的负温度系数来实现的。在标准的0.6µm CMOS工艺中实现，输出为1.67V，在195°C范围内的温度系数为4.9ppm/°C。

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Threshold-based voltage reference with pn- junction temperature compensation

A new voltage reference with output dependent upon the threshold voltage of an NMOS transistor is introduced. A low temperature coefficient is achieved by using a pn-junction PTAT current generator to compensate for the negative temperature coefficient of the threshold voltage. Implemented in a standard 0.6µm CMOS process with an output of 1.67V, it has a temperature coefficient of 4.9ppm/°C over a 195 °C range.

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2009 52nd IEEE International Midwest Symposium on Circuits and Systems

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