{"title":"新型斩波稳定轨对轨运算放大器设计","authors":"Yong Xu, Fei Zhao, Zheng Sun, Yuanliang Wu","doi":"10.1109/ASICON.2015.7516988","DOIUrl":null,"url":null,"abstract":"A chip design of novel chopper stabilized operational amplifier was presented, chopper-wave modulation and demodulation was used in this architecture, and its 1/f noise was decreased largely. To extend input common mode voltage range, a novel rail-to-rail differential amplifier was adapted in the input stage. The range of input common mode voltage was from zero to power supply, and it only consumed about 22μA current. When input signal frequency was 1 KHz, and the output signal THD was only 0.01%.","PeriodicalId":382098,"journal":{"name":"International Conference on ASIC","volume":"2 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":"{\"title\":\"Design of novel chopper stabilized rail-to-rail operational amplifier\",\"authors\":\"Yong Xu, Fei Zhao, Zheng Sun, Yuanliang Wu\",\"doi\":\"10.1109/ASICON.2015.7516988\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A chip design of novel chopper stabilized operational amplifier was presented, chopper-wave modulation and demodulation was used in this architecture, and its 1/f noise was decreased largely. To extend input common mode voltage range, a novel rail-to-rail differential amplifier was adapted in the input stage. The range of input common mode voltage was from zero to power supply, and it only consumed about 22μA current. When input signal frequency was 1 KHz, and the output signal THD was only 0.01%.\",\"PeriodicalId\":382098,\"journal\":{\"name\":\"International Conference on ASIC\",\"volume\":\"2 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Conference on ASIC\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ASICON.2015.7516988\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Conference on ASIC","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ASICON.2015.7516988","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Design of novel chopper stabilized rail-to-rail operational amplifier
A chip design of novel chopper stabilized operational amplifier was presented, chopper-wave modulation and demodulation was used in this architecture, and its 1/f noise was decreased largely. To extend input common mode voltage range, a novel rail-to-rail differential amplifier was adapted in the input stage. The range of input common mode voltage was from zero to power supply, and it only consumed about 22μA current. When input signal frequency was 1 KHz, and the output signal THD was only 0.01%.
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