{"title":"一个36V 48MHz jfet输入双极运算放大器，最大失调150µV和过载供电电流控制","authors":"M. Snoeij","doi":"10.1109/ESSCIRC.2018.8494262","DOIUrl":null,"url":null,"abstract":"This paper presents a 36V JFET -input bipolar operational amplifier with an unprecedented combination of DC precision (150µV offset, 1.5 µV/°C drift) and high speed (48MHz GBW, 160V/µs slew-rate). The high slew-rate is obtained using the well-known slew-boosting method. However, conventional slew-boost circuits can cause excessive power consumption when the amplifier inputs are overloaded and the output hits the rail. Therefore, a dedicated protection circuit was added that detects such an overload condition, and limits power consumption in this condition.","PeriodicalId":355210,"journal":{"name":"ESSCIRC 2018 - IEEE 44th European Solid State Circuits Conference (ESSCIRC)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"9","resultStr":"{\"title\":\"A 36V 48MHz JFET-Input Bipolar Operational Amplifier with 150µV Maximum Offset and Overload Supply Current Control\",\"authors\":\"M. Snoeij\",\"doi\":\"10.1109/ESSCIRC.2018.8494262\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents a 36V JFET -input bipolar operational amplifier with an unprecedented combination of DC precision (150µV offset, 1.5 µV/°C drift) and high speed (48MHz GBW, 160V/µs slew-rate). The high slew-rate is obtained using the well-known slew-boosting method. However, conventional slew-boost circuits can cause excessive power consumption when the amplifier inputs are overloaded and the output hits the rail. Therefore, a dedicated protection circuit was added that detects such an overload condition, and limits power consumption in this condition.\",\"PeriodicalId\":355210,\"journal\":{\"name\":\"ESSCIRC 2018 - IEEE 44th European Solid State Circuits Conference (ESSCIRC)\",\"volume\":\"38 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"9\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"ESSCIRC 2018 - IEEE 44th European Solid State Circuits Conference (ESSCIRC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ESSCIRC.2018.8494262\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"ESSCIRC 2018 - IEEE 44th European Solid State Circuits Conference (ESSCIRC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ESSCIRC.2018.8494262","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A 36V 48MHz JFET-Input Bipolar Operational Amplifier with 150µV Maximum Offset and Overload Supply Current Control
This paper presents a 36V JFET -input bipolar operational amplifier with an unprecedented combination of DC precision (150µV offset, 1.5 µV/°C drift) and high speed (48MHz GBW, 160V/µs slew-rate). The high slew-rate is obtained using the well-known slew-boosting method. However, conventional slew-boost circuits can cause excessive power consumption when the amplifier inputs are overloaded and the output hits the rail. Therefore, a dedicated protection circuit was added that detects such an overload condition, and limits power consumption in this condition.
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