A Frequency-Output Temperature Sensor with Supply Voltage Insensitivity for Battery Operated Systems

被引：0
|
作者：
Azcona, C. [1 ]
Calvo, B. [1 ]
Medrano, N. [1 ]
Celma, S. [1 ]
Garcia-Romeo, D. [1 ]
机构：
[1] Univ Zaragoza, Grp Elect Design I3A, Zaragoza, Spain
来源：
2015 IEEE INTERNATIONAL CONFERENCE ON INDUSTRIAL TECHNOLOGY (ICIT) | 2015年
关键词：
CMOS integrated circuits; Low-voltage low-power; Quasi-digital output; Smart sensors; Temperature-to-frequency; WSN; Supply voltage independence;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents a new low-voltage low-power CMOS temperature sensor, targeting long-life autonomous portable applications. The frequency-output sensor includes a novel V-DD-compensation strategy, achieving supply voltage independence. Results for a 0.18 mu m CMOS implementation show a linear response over a wide range of (-40, + 120 degrees C), with a sensitivity of 546 Hz/degrees C and a power consumption of 2 mu W at 1 V single supply.
引用
收藏
页码：3330 / 3335
页数：6
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