{"title":"0.7 v体积驱动三级ab级OTA","authors":"Elena Cabrera-Bernal, S. Pennisi, A. D. Grasso","doi":"10.1109/NEWCAS.2015.7182069","DOIUrl":null,"url":null,"abstract":"A high-performance architecture for bulk-driven operational transconductance amplifiers (OTAs) is presented. The solution exploits a three-gain-stage topology and, as a distinctive behavior, provides an inherent class-AB performance with simple and robust standby current control. A 0.7-V supply OTA is designed using a 180-nm standard CMOS technology. Post layout simulations show a 61-dB open loop gain and a unity gain bandwidth of 3.6 MHz, under a capacitive load of 20 pF. Significant performance improvement when compared to prior art is achieved, so that the best figure of merit is found.","PeriodicalId":404655,"journal":{"name":"2015 IEEE 13th International New Circuits and Systems Conference (NEWCAS)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"0.7-V bulk-driven three-stage class-AB OTA\",\"authors\":\"Elena Cabrera-Bernal, S. Pennisi, A. D. Grasso\",\"doi\":\"10.1109/NEWCAS.2015.7182069\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A high-performance architecture for bulk-driven operational transconductance amplifiers (OTAs) is presented. The solution exploits a three-gain-stage topology and, as a distinctive behavior, provides an inherent class-AB performance with simple and robust standby current control. A 0.7-V supply OTA is designed using a 180-nm standard CMOS technology. Post layout simulations show a 61-dB open loop gain and a unity gain bandwidth of 3.6 MHz, under a capacitive load of 20 pF. Significant performance improvement when compared to prior art is achieved, so that the best figure of merit is found.\",\"PeriodicalId\":404655,\"journal\":{\"name\":\"2015 IEEE 13th International New Circuits and Systems Conference (NEWCAS)\",\"volume\":\"39 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-06-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2015 IEEE 13th International New Circuits and Systems Conference (NEWCAS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/NEWCAS.2015.7182069\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 IEEE 13th International New Circuits and Systems Conference (NEWCAS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NEWCAS.2015.7182069","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A high-performance architecture for bulk-driven operational transconductance amplifiers (OTAs) is presented. The solution exploits a three-gain-stage topology and, as a distinctive behavior, provides an inherent class-AB performance with simple and robust standby current control. A 0.7-V supply OTA is designed using a 180-nm standard CMOS technology. Post layout simulations show a 61-dB open loop gain and a unity gain bandwidth of 3.6 MHz, under a capacitive load of 20 pF. Significant performance improvement when compared to prior art is achieved, so that the best figure of merit is found.
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