{"title":"A 35µW 96.8dB SNDR 1 kHz BW multi-step incremental ADC using multi-slope extended counting with a single integrator","authors":"Yi Zhang, Chia-Hung Chen, Tao He, G. Temes","doi":"10.1109/VLSIC.2016.7573464","DOIUrl":null,"url":null,"abstract":"A multi-step incremental ADC (IADC) with multi-slope extended counting is presented. In the proposed IADC, the accuracy is enhanced by reconfiguring it as a multi-slope ADC in two additional steps. For the same accuracy, the conversion cycle is shortened by a factor of about 29 as compared to the single-step IADC. Fabricated in 0.18-μm CMOS process, the prototype ADC operates at 642 kHz and achieves a peak SNDR = 96.8 dB and DR = 99.7 dB over a 1 kHz bandwidth. The power consumption is 35 μW, which results in an excellent Schreier FoM of 174.6 dB.","PeriodicalId":6512,"journal":{"name":"2016 IEEE Symposium on VLSI Circuits (VLSI-Circuits)","volume":"22 1","pages":"1-2"},"PeriodicalIF":0.0000,"publicationDate":"2016-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"9","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 IEEE Symposium on VLSI Circuits (VLSI-Circuits)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/VLSIC.2016.7573464","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 9
Abstract
A multi-step incremental ADC (IADC) with multi-slope extended counting is presented. In the proposed IADC, the accuracy is enhanced by reconfiguring it as a multi-slope ADC in two additional steps. For the same accuracy, the conversion cycle is shortened by a factor of about 29 as compared to the single-step IADC. Fabricated in 0.18-μm CMOS process, the prototype ADC operates at 642 kHz and achieves a peak SNDR = 96.8 dB and DR = 99.7 dB over a 1 kHz bandwidth. The power consumption is 35 μW, which results in an excellent Schreier FoM of 174.6 dB.
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