{"title":"一种用于ISDN应用的低压高驱动差分放大器","authors":"L. Tomasini, A. Gola, R. Castello","doi":"10.1109/ESSCIRC.1988.5468327","DOIUrl":null,"url":null,"abstract":"A CMOS differential buffer amplifier for ISDN applications is reported. The chip operates from a single 5 V power supply and can deliver a 6 Vpp 80 kHz signal into a load of 100 ohm and/or 300 pF with a THD of about 0.25 %. The circuit main feature is its PSRR which remain practically constant from de to several hundred kHz around - 75 dB for both positive and negative supplies with the common mode voltage generated ou chip. The step response at 1 % for the same loading conditions is less than 500 nsec for a step of + 1.5V and less than 1 ¿sec for a step of ++6V. By using relatively small devices at the output the amplifier occupies an area of only 1720 square mils in a 2.5 ¿m n-well CMOS technology.","PeriodicalId":197244,"journal":{"name":"ESSCIRC '88: Fourteenth European Solid-State Circuits Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1988-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"A Low-Voltage High-Drive Differential Amplifier For ISDN Applications\",\"authors\":\"L. Tomasini, A. Gola, R. Castello\",\"doi\":\"10.1109/ESSCIRC.1988.5468327\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A CMOS differential buffer amplifier for ISDN applications is reported. The chip operates from a single 5 V power supply and can deliver a 6 Vpp 80 kHz signal into a load of 100 ohm and/or 300 pF with a THD of about 0.25 %. The circuit main feature is its PSRR which remain practically constant from de to several hundred kHz around - 75 dB for both positive and negative supplies with the common mode voltage generated ou chip. The step response at 1 % for the same loading conditions is less than 500 nsec for a step of + 1.5V and less than 1 ¿sec for a step of ++6V. By using relatively small devices at the output the amplifier occupies an area of only 1720 square mils in a 2.5 ¿m n-well CMOS technology.\",\"PeriodicalId\":197244,\"journal\":{\"name\":\"ESSCIRC '88: Fourteenth European Solid-State Circuits Conference\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1988-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"ESSCIRC '88: Fourteenth European Solid-State Circuits Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ESSCIRC.1988.5468327\",\"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 '88: Fourteenth European Solid-State Circuits Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ESSCIRC.1988.5468327","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A Low-Voltage High-Drive Differential Amplifier For ISDN Applications
A CMOS differential buffer amplifier for ISDN applications is reported. The chip operates from a single 5 V power supply and can deliver a 6 Vpp 80 kHz signal into a load of 100 ohm and/or 300 pF with a THD of about 0.25 %. The circuit main feature is its PSRR which remain practically constant from de to several hundred kHz around - 75 dB for both positive and negative supplies with the common mode voltage generated ou chip. The step response at 1 % for the same loading conditions is less than 500 nsec for a step of + 1.5V and less than 1 ¿sec for a step of ++6V. By using relatively small devices at the output the amplifier occupies an area of only 1720 square mils in a 2.5 ¿m n-well CMOS technology.
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