{"title":"一个120nW, 121 kHz， -20~100°C的CMOS弛豫振荡器，带有数字电流比较器和片上电压和电流基准","authors":"Renwei Chen, Yifei Zhang, Chenchang Zhan","doi":"10.1109/ICTA56932.2022.9963069","DOIUrl":null,"url":null,"abstract":"A relaxation oscillator(RO) composed of a voltage and current reference (VCR) and a digital current comparator is presented in this paper. By using two different types of resistors with opposite temperature coefficient (TC) in the VCR, this design successfully stabilizes the operation frequency from -20 to 100° C with a very simple structure. Designed in a standard 180nm CMOS process, the proposed RO consumes 120nW under a 0.8V supply and operates at 121kHz, with a TC as low as 36.2 ppm/°C.","PeriodicalId":325602,"journal":{"name":"2022 IEEE International Conference on Integrated Circuits, Technologies and Applications (ICTA)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A 120nW, 121 kHz, -20~100°C CMOS Relaxation Oscillator with Digital Current Comparator and On-Chip Voltage and Current Reference\",\"authors\":\"Renwei Chen, Yifei Zhang, Chenchang Zhan\",\"doi\":\"10.1109/ICTA56932.2022.9963069\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A relaxation oscillator(RO) composed of a voltage and current reference (VCR) and a digital current comparator is presented in this paper. By using two different types of resistors with opposite temperature coefficient (TC) in the VCR, this design successfully stabilizes the operation frequency from -20 to 100° C with a very simple structure. Designed in a standard 180nm CMOS process, the proposed RO consumes 120nW under a 0.8V supply and operates at 121kHz, with a TC as low as 36.2 ppm/°C.\",\"PeriodicalId\":325602,\"journal\":{\"name\":\"2022 IEEE International Conference on Integrated Circuits, Technologies and Applications (ICTA)\",\"volume\":\"27 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-10-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2022 IEEE International Conference on Integrated Circuits, Technologies and Applications (ICTA)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICTA56932.2022.9963069\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 IEEE International Conference on Integrated Circuits, Technologies and Applications (ICTA)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICTA56932.2022.9963069","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A 120nW, 121 kHz, -20~100°C CMOS Relaxation Oscillator with Digital Current Comparator and On-Chip Voltage and Current Reference
A relaxation oscillator(RO) composed of a voltage and current reference (VCR) and a digital current comparator is presented in this paper. By using two different types of resistors with opposite temperature coefficient (TC) in the VCR, this design successfully stabilizes the operation frequency from -20 to 100° C with a very simple structure. Designed in a standard 180nm CMOS process, the proposed RO consumes 120nW under a 0.8V supply and operates at 121kHz, with a TC as low as 36.2 ppm/°C.
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