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	A High Accuracy Temperature Sensor and Temperature Compensation Algorithm Embedded In TPMS
	Chen, Jianguang ; Zhu, Zhu ; Wang, Lejing ; Hao, Yueguo ; Cheng, Yuhua
	2012
关键词	CIRCUITS
英文摘要	A high accuracy temperature sensor integrated in TPMS with an inaccuracy of +/-1 degrees C from -55 degrees C to 125 degrees C is realized in a standard CMOS process. The errors due to finite op-amp gain, offset voltage and 1/f noise are eliminated with correlated double sampling technique. The temperature-dependent voltage is boosted by a switched capacitor low noise amplifier and digitalized with an incremental ADC of a resolution about 13 bits. Furthermore, 2-bits coarse biased current trimming and 5-bits fine resistive-array trimming are applied to calibrate the process variation. The required accuracy is obtained after the calibration at single temperature point. Additionally, the second-order nonlinearity temperature compensation algorithm for piezoresistive pressure sensor is described. Finally, experimental results are provided to verify the effectiveness of the proposed topology.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000319824700390&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Engineering, Electrical & Electronic; Physics, Applied; EI; CPCI-S(ISTP); 0
语种	英语
DOI标识	10.1109/ICSICT.2012.6467778
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/292731]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Chen, Jianguang,Zhu, Zhu,Wang, Lejing,et al. A High Accuracy Temperature Sensor and Temperature Compensation Algorithm Embedded In TPMS. 2012-01-01.

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