{"title":"Low-voltage low-power fast-settling CMOS operational transconductance amplifiers for switched-capacitor applications","authors":"M. Yavari, O. Shoaei","doi":"10.1109/LPE.2003.1231910","DOIUrl":null,"url":null,"abstract":"This paper presents a new fully differential operational transconductance amplifier (OTA) for low-voltage and fast-settling switched-capacitor circuits in digital CMOS technology. The proposed two-stage OTA is a hybrid class A/AB that combines a folded cascode as the first stage with active current mirrors as the second stage. It employs a hybrid cascode compensation scheme, merged Ahuja and improved Ahuja style compensations, for fast settling.","PeriodicalId":355883,"journal":{"name":"Proceedings of the 2003 International Symposium on Low Power Electronics and Design, 2003. ISLPED '03.","volume":"15 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2003-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"51","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 2003 International Symposium on Low Power Electronics and Design, 2003. ISLPED '03.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/LPE.2003.1231910","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 51
Abstract
This paper presents a new fully differential operational transconductance amplifier (OTA) for low-voltage and fast-settling switched-capacitor circuits in digital CMOS technology. The proposed two-stage OTA is a hybrid class A/AB that combines a folded cascode as the first stage with active current mirrors as the second stage. It employs a hybrid cascode compensation scheme, merged Ahuja and improved Ahuja style compensations, for fast settling.
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