{"title":"电流控制的多步CMOS视频数据转换器","authors":"L. Hanssen","doi":"10.1109/ESSCIRC.1992.5468435","DOIUrl":null,"url":null,"abstract":"A method of connecting K identical parallel M bit converters to form a K-M bit converter is presented. By controlling the voltage drop over the resistor string with a current the linearity is made independent of offset voltage between the steps and high ONresistance in the switches. This connection gives DACs with linearity determined by the resistors and with a speed / power ratio of 15MHz/mW. An ADC based on the same idea has been developed for a PAL video application. This ADC uses two identical flash ADC blocks in the two-steps, making the principle suitable for monolithic integrated, hybrid and PCB solutions.","PeriodicalId":242379,"journal":{"name":"ESSCIRC '92: Eighteenth European Solid-State Circuits conference","volume":"286 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1992-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Current controlled multi-step CMOS video data converters\",\"authors\":\"L. Hanssen\",\"doi\":\"10.1109/ESSCIRC.1992.5468435\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A method of connecting K identical parallel M bit converters to form a K-M bit converter is presented. By controlling the voltage drop over the resistor string with a current the linearity is made independent of offset voltage between the steps and high ONresistance in the switches. This connection gives DACs with linearity determined by the resistors and with a speed / power ratio of 15MHz/mW. An ADC based on the same idea has been developed for a PAL video application. This ADC uses two identical flash ADC blocks in the two-steps, making the principle suitable for monolithic integrated, hybrid and PCB solutions.\",\"PeriodicalId\":242379,\"journal\":{\"name\":\"ESSCIRC '92: Eighteenth European Solid-State Circuits conference\",\"volume\":\"286 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1992-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"ESSCIRC '92: Eighteenth European Solid-State Circuits conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ESSCIRC.1992.5468435\",\"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 '92: Eighteenth European Solid-State Circuits conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ESSCIRC.1992.5468435","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Current controlled multi-step CMOS video data converters
A method of connecting K identical parallel M bit converters to form a K-M bit converter is presented. By controlling the voltage drop over the resistor string with a current the linearity is made independent of offset voltage between the steps and high ONresistance in the switches. This connection gives DACs with linearity determined by the resistors and with a speed / power ratio of 15MHz/mW. An ADC based on the same idea has been developed for a PAL video application. This ADC uses two identical flash ADC blocks in the two-steps, making the principle suitable for monolithic integrated, hybrid and PCB solutions.
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