{"title":"一个0.8V, 37nW, 42ppm/°C, PSRR为−81dB，线路灵敏度为51ppm/V的0.18um CMOS子带隙基准电压","authors":"Myungjun Kim, Seonghwan Cho","doi":"10.23919/VLSIC.2017.8008463","DOIUrl":null,"url":null,"abstract":"This paper presents a low-power, high-PSRR sub-bandgap voltage reference that operates under 1V supply. In order to achieve low temperature coefficient (TC), a CTAT circuit with internal feedback and a two-transistor PTAT circuit are proposed. For improved line sensitivity (LS) and PSRR, a self supply-regulated feedback is employed. Implemented in 0.18μm CMOS, the proposed voltage reference achieves an average TC of 42ppm/°C, PSRR of −81dB and LS of 51ppm/V while consuming 37nW at 0.8V supply.","PeriodicalId":176340,"journal":{"name":"2017 Symposium on VLSI Circuits","volume":"25 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"19","resultStr":"{\"title\":\"A 0.8V, 37nW, 42ppm/°C sub-bandgap voltage reference with PSRR of −81dB and line sensitivity of 51ppm/V in 0.18um CMOS\",\"authors\":\"Myungjun Kim, Seonghwan Cho\",\"doi\":\"10.23919/VLSIC.2017.8008463\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents a low-power, high-PSRR sub-bandgap voltage reference that operates under 1V supply. In order to achieve low temperature coefficient (TC), a CTAT circuit with internal feedback and a two-transistor PTAT circuit are proposed. For improved line sensitivity (LS) and PSRR, a self supply-regulated feedback is employed. Implemented in 0.18μm CMOS, the proposed voltage reference achieves an average TC of 42ppm/°C, PSRR of −81dB and LS of 51ppm/V while consuming 37nW at 0.8V supply.\",\"PeriodicalId\":176340,\"journal\":{\"name\":\"2017 Symposium on VLSI Circuits\",\"volume\":\"25 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-06-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"19\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2017 Symposium on VLSI Circuits\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.23919/VLSIC.2017.8008463\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 Symposium on VLSI Circuits","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.23919/VLSIC.2017.8008463","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A 0.8V, 37nW, 42ppm/°C sub-bandgap voltage reference with PSRR of −81dB and line sensitivity of 51ppm/V in 0.18um CMOS
This paper presents a low-power, high-PSRR sub-bandgap voltage reference that operates under 1V supply. In order to achieve low temperature coefficient (TC), a CTAT circuit with internal feedback and a two-transistor PTAT circuit are proposed. For improved line sensitivity (LS) and PSRR, a self supply-regulated feedback is employed. Implemented in 0.18μm CMOS, the proposed voltage reference achieves an average TC of 42ppm/°C, PSRR of −81dB and LS of 51ppm/V while consuming 37nW at 0.8V supply.
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