{"title":"一种使用运算跨导放大器的简单精确的跟踪保持电路","authors":"J. Seon, K. Nam, S.H. Kang, K. Bae, J.B. Kim","doi":"10.1109/ISSCS.2007.4292655","DOIUrl":null,"url":null,"abstract":"A novel track-and-hold (T&H) employing an operational transconductance amplifier (OTA) with two cross-coupled differential pairs (CCDPs) is proposed for high-accuracy and high-frequency applications. The T&H has a simple architecture requiring smaller capacitors and fewer switches and offers higher speed, lower distortion, and lower power dissipation than its op-amp based counterparts. The chip implemented in 0.35 mum CMOS process operates from a single 1.8 V supply and achieves more than 10-bits precision for sampling rate in excess of 120 MS/s.","PeriodicalId":310187,"journal":{"name":"2007 14th International Conference on Mixed Design of Integrated Circuits and Systems","volume":"258 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"A Simple and Accurate Track-and-Hold Circuit using Operational Transconductance Amplifier\",\"authors\":\"J. Seon, K. Nam, S.H. Kang, K. Bae, J.B. Kim\",\"doi\":\"10.1109/ISSCS.2007.4292655\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A novel track-and-hold (T&H) employing an operational transconductance amplifier (OTA) with two cross-coupled differential pairs (CCDPs) is proposed for high-accuracy and high-frequency applications. The T&H has a simple architecture requiring smaller capacitors and fewer switches and offers higher speed, lower distortion, and lower power dissipation than its op-amp based counterparts. The chip implemented in 0.35 mum CMOS process operates from a single 1.8 V supply and achieves more than 10-bits precision for sampling rate in excess of 120 MS/s.\",\"PeriodicalId\":310187,\"journal\":{\"name\":\"2007 14th International Conference on Mixed Design of Integrated Circuits and Systems\",\"volume\":\"258 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-06-21\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2007 14th International Conference on Mixed Design of Integrated Circuits and Systems\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISSCS.2007.4292655\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 14th International Conference on Mixed Design of Integrated Circuits and Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISSCS.2007.4292655","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
摘要
提出了一种新的跟踪保持(T&H)方法，该方法采用具有两个交叉耦合差分对(ccdp)的运算跨导放大器(OTA)，用于高精度和高频应用。T&H具有简单的结构，需要更小的电容器和更少的开关，并且与基于运放的同类产品相比，具有更高的速度、更低的失真和更低的功耗。该芯片采用0.35 μ m CMOS工艺，采用1.8 V单电源，采样率超过120 MS/s，精度超过10位。
A Simple and Accurate Track-and-Hold Circuit using Operational Transconductance Amplifier
A novel track-and-hold (T&H) employing an operational transconductance amplifier (OTA) with two cross-coupled differential pairs (CCDPs) is proposed for high-accuracy and high-frequency applications. The T&H has a simple architecture requiring smaller capacitors and fewer switches and offers higher speed, lower distortion, and lower power dissipation than its op-amp based counterparts. The chip implemented in 0.35 mum CMOS process operates from a single 1.8 V supply and achieves more than 10-bits precision for sampling rate in excess of 120 MS/s.
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