{"title":"具有二阶曲率修正的电压基准","authors":"Iustin-Catalin Necula, C. Popa","doi":"10.1109/SMICND.2014.6966451","DOIUrl":null,"url":null,"abstract":"This paper describes a bandgap voltage reference with second order curvature correction which utilizes a cvasi-independent temperature current and a Buck voltage transfer cell to compensate the non-linear term of the VBE's expression. The proposed circuit is implemented in a 0.35um CMOS technology and achieves a 2.36ppm/ C temperature coefficient (TC) in a temperature range from -40 to 150 C. The nominal supply voltage is 3V and the consumed power is 558uW. The power supply rejection ratio (PSRR) is -50dB at 10kHz and -30dB at 100kHz.","PeriodicalId":6616,"journal":{"name":"2014 International Semiconductor Conference (CAS)","volume":"37 1","pages":"251-254"},"PeriodicalIF":0.0000,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"Voltage reference with second order curvature correction\",\"authors\":\"Iustin-Catalin Necula, C. Popa\",\"doi\":\"10.1109/SMICND.2014.6966451\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper describes a bandgap voltage reference with second order curvature correction which utilizes a cvasi-independent temperature current and a Buck voltage transfer cell to compensate the non-linear term of the VBE's expression. The proposed circuit is implemented in a 0.35um CMOS technology and achieves a 2.36ppm/ C temperature coefficient (TC) in a temperature range from -40 to 150 C. The nominal supply voltage is 3V and the consumed power is 558uW. The power supply rejection ratio (PSRR) is -50dB at 10kHz and -30dB at 100kHz.\",\"PeriodicalId\":6616,\"journal\":{\"name\":\"2014 International Semiconductor Conference (CAS)\",\"volume\":\"37 1\",\"pages\":\"251-254\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2014-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2014 International Semiconductor Conference (CAS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SMICND.2014.6966451\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2014 International Semiconductor Conference (CAS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SMICND.2014.6966451","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Voltage reference with second order curvature correction
This paper describes a bandgap voltage reference with second order curvature correction which utilizes a cvasi-independent temperature current and a Buck voltage transfer cell to compensate the non-linear term of the VBE's expression. The proposed circuit is implemented in a 0.35um CMOS technology and achieves a 2.36ppm/ C temperature coefficient (TC) in a temperature range from -40 to 150 C. The nominal supply voltage is 3V and the consumed power is 558uW. The power supply rejection ratio (PSRR) is -50dB at 10kHz and -30dB at 100kHz.
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