MICROFABRICATED THERMAL ABSOLUTE-PRESSURE SENSOR WITH ON-CHIP DIGITAL FRONT-END PROCESSOR

被引:89
作者
MASTRANGELO, CH
MULLER, RS
机构
[1] UNIV CALIF BERKELEY,DEPT ELECT ENGN & COMP SCI,BERKELEY SENSOR & ACTUATOR CTR,BERKELEY,CA 94720
[2] UNIV CALIF BERKELEY,ELECTR RES LAB,BERKELEY,CA 94720
关键词
D O I
10.1109/4.104194
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A thermal absolute-pressure sensor of the heated microbridge type has been integrated with an active bias circuit and an 8-b successive-approximation register A/D converter. The chip, which contains about 1000 devices, is sensitive to variations in absolute gas pressure between 10 and 10(4) Pa, and it is implemented in a 4-mu-m NMOS technology merged with the microsensor process. The output of the chip is a robust digital signal adequate for transmission in high-noise environments.
引用
收藏
页码:1998 / 2007
页数:10
相关论文
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