{"title":"2.06μW/MHz, 5.05-MHz， -40-125°C, 22ppm/°C弛豫振荡，单比较器控制","authors":"Yifan Yao, Chuqi Chen, Chenchang Zhan","doi":"10.1109/ICTA56932.2022.9963105","DOIUrl":null,"url":null,"abstract":"In this paper, a 5.05MHz, 2.06μW/MHz, 22ppm/°C relaxation oscillator working as temperature varies from -40°C to 125°C and supply voltage varies from 1.1V to 2V is proposed and designed in a 180nm CMOS process. By using a single comparator control method and a reduced charging/discharging capacitance, the energy-per-cycle figure of merit reaches 2.06μW/MHz. With on-chip voltage and current reference and optimized comparator delay times, the output frequency has a temperature coefficient of only 22ppm/°C. The frequency changes for only 16% when supply voltage varies from 1.1V to 2V.","PeriodicalId":325602,"journal":{"name":"2022 IEEE International Conference on Integrated Circuits, Technologies and Applications (ICTA)","volume":"57 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A 2.06μW/MHz, 5.05-MHz, -40-125°C, 22ppm/°C Relaxation Oscillatior with Single Comparator Control\",\"authors\":\"Yifan Yao, Chuqi Chen, Chenchang Zhan\",\"doi\":\"10.1109/ICTA56932.2022.9963105\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, a 5.05MHz, 2.06μW/MHz, 22ppm/°C relaxation oscillator working as temperature varies from -40°C to 125°C and supply voltage varies from 1.1V to 2V is proposed and designed in a 180nm CMOS process. By using a single comparator control method and a reduced charging/discharging capacitance, the energy-per-cycle figure of merit reaches 2.06μW/MHz. With on-chip voltage and current reference and optimized comparator delay times, the output frequency has a temperature coefficient of only 22ppm/°C. The frequency changes for only 16% when supply voltage varies from 1.1V to 2V.\",\"PeriodicalId\":325602,\"journal\":{\"name\":\"2022 IEEE International Conference on Integrated Circuits, Technologies and Applications (ICTA)\",\"volume\":\"57 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/ICTA56932.2022.9963105\",\"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/ICTA56932.2022.9963105","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A 2.06μW/MHz, 5.05-MHz, -40-125°C, 22ppm/°C Relaxation Oscillatior with Single Comparator Control
In this paper, a 5.05MHz, 2.06μW/MHz, 22ppm/°C relaxation oscillator working as temperature varies from -40°C to 125°C and supply voltage varies from 1.1V to 2V is proposed and designed in a 180nm CMOS process. By using a single comparator control method and a reduced charging/discharging capacitance, the energy-per-cycle figure of merit reaches 2.06μW/MHz. With on-chip voltage and current reference and optimized comparator delay times, the output frequency has a temperature coefficient of only 22ppm/°C. The frequency changes for only 16% when supply voltage varies from 1.1V to 2V.
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