{"title":"A current mode CMOS voltage reference","authors":"R. Stair, J. Connelly, M. Pulkin","doi":"10.1109/SSMSD.2000.836439","DOIUrl":null,"url":null,"abstract":"A current mode CMOS voltage reference uses a p-channel MOSFET threshold voltage extractor circuit to create a current that is inversely proportional to temperature. This current is summed with a current that is proportional to temperature into a resistor to create a voltage that is, to the first order, temperature independent. The output voltage is scalable by adjusting the size of the summing resistor. The circuit operates over temperature from 0 to 100/spl deg/C with a power supply voltage between 3.3 and 7 V. Experimental results show that over these conditions, the output voltage varies by /spl plusmn/3%.","PeriodicalId":166604,"journal":{"name":"2000 Southwest Symposium on Mixed-Signal Design (Cat. No.00EX390)","volume":"80 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2000-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2000 Southwest Symposium on Mixed-Signal Design (Cat. No.00EX390)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SSMSD.2000.836439","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 7
Abstract
A current mode CMOS voltage reference uses a p-channel MOSFET threshold voltage extractor circuit to create a current that is inversely proportional to temperature. This current is summed with a current that is proportional to temperature into a resistor to create a voltage that is, to the first order, temperature independent. The output voltage is scalable by adjusting the size of the summing resistor. The circuit operates over temperature from 0 to 100/spl deg/C with a power supply voltage between 3.3 and 7 V. Experimental results show that over these conditions, the output voltage varies by /spl plusmn/3%.
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