{"title":"低功耗120 KSPS 12位SAR ADC，内部CDAC采用新颖的开关控制方法","authors":"Abhisek Dey, T. K. Bhattacharyya","doi":"10.1109/SOCC.2011.6085099","DOIUrl":null,"url":null,"abstract":"A low power 1.3V 12bit successive approximation register analog-to-digital converter (SAR ADC) is presented for MEMS and biomedical applications. In the DAC of this ADC, a new switch control technique has been proposed to make the ADC more energy as well as area efficient. Besides, a very high resolution, low offset CMOS comparator is designed for the satisfactory operation of the ADC. The complete ADC has been implemented using UMC 0.18µm RF/CMOS process with 1.8V supply voltage and 1.3V reference voltage for the DAC. Its performance has been verified by spectre simulation. The ADC achieved a sampling rate of 120KSPS and a power consumption of 3mW at 1.8V supply voltage. Its DNL and INL are 0.68LSB and 0.7LSB respectively.","PeriodicalId":365422,"journal":{"name":"2011 IEEE International SOC Conference","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2011-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"9","resultStr":"{\"title\":\"Low power 120 KSPS 12bit SAR ADC with a novel switch control method for internal CDAC\",\"authors\":\"Abhisek Dey, T. K. Bhattacharyya\",\"doi\":\"10.1109/SOCC.2011.6085099\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A low power 1.3V 12bit successive approximation register analog-to-digital converter (SAR ADC) is presented for MEMS and biomedical applications. In the DAC of this ADC, a new switch control technique has been proposed to make the ADC more energy as well as area efficient. Besides, a very high resolution, low offset CMOS comparator is designed for the satisfactory operation of the ADC. The complete ADC has been implemented using UMC 0.18µm RF/CMOS process with 1.8V supply voltage and 1.3V reference voltage for the DAC. Its performance has been verified by spectre simulation. The ADC achieved a sampling rate of 120KSPS and a power consumption of 3mW at 1.8V supply voltage. Its DNL and INL are 0.68LSB and 0.7LSB respectively.\",\"PeriodicalId\":365422,\"journal\":{\"name\":\"2011 IEEE International SOC Conference\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2011-11-21\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"9\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2011 IEEE International SOC Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SOCC.2011.6085099\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 IEEE International SOC Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SOCC.2011.6085099","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Low power 120 KSPS 12bit SAR ADC with a novel switch control method for internal CDAC
A low power 1.3V 12bit successive approximation register analog-to-digital converter (SAR ADC) is presented for MEMS and biomedical applications. In the DAC of this ADC, a new switch control technique has been proposed to make the ADC more energy as well as area efficient. Besides, a very high resolution, low offset CMOS comparator is designed for the satisfactory operation of the ADC. The complete ADC has been implemented using UMC 0.18µm RF/CMOS process with 1.8V supply voltage and 1.3V reference voltage for the DAC. Its performance has been verified by spectre simulation. The ADC achieved a sampling rate of 120KSPS and a power consumption of 3mW at 1.8V supply voltage. Its DNL and INL are 0.68LSB and 0.7LSB respectively.
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