A high stable on-chip CMOS temperature sensor
Journal Title: IOSR Journals (IOSR Journal of Electrical and Electronics Engineering) - Year 2017, Vol 12, Issue 1
Abstract
A high stable CMOS temperature sensor is presented. A low-pass filter circuit is added in the output of traditional CMOS temperature sensor to improve the stability of its output,. The supply power voltage of the temperature sensor is 1.8V. The PSRR of the temperature sensor is -82dB in low frequency state. And the PSRR is -45dB in worst case. The OP-AMP of sensor has 63º phase margin. The output mode is voltage, whose linearity error is less than 0.2% and resolution ratio is more than 2.6mV/℃.
Authors and Affiliations
Jinghong Miao, Jiaqi Li
Keywords
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