{"title":"A 10 /spl mu/V-offset 8 kHz bandwidth 4/sup th/-order chopped /spl Sigma//spl Delta/ A/D converter for battery management","authors":"P. Blanken, S. Menten","doi":"10.1109/ISSCC.2002.993095","DOIUrl":null,"url":null,"abstract":"A chopped 4/sup th-/order continuous-time 1 bit /spl Sigma//spl Delta/ A/D converter with 10 /spl mu/V offset and 8 kHz bandwidth has been designed for battery current measurement. Chopping at 16 kHz, the circuit has a 0.1 V input range, a 68 dB SNR, and a 1 MHz output bit rate. Area is 0.45x0.4 mm in 0.35 /spl mu/m CMOS. Current consumption is 30 /spl mu/A at 2.5-4 V.","PeriodicalId":423674,"journal":{"name":"2002 IEEE International Solid-State Circuits Conference. Digest of Technical Papers (Cat. No.02CH37315)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2002 IEEE International Solid-State Circuits Conference. Digest of Technical Papers (Cat. No.02CH37315)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISSCC.2002.993095","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 7
Abstract
A chopped 4/sup th-/order continuous-time 1 bit /spl Sigma//spl Delta/ A/D converter with 10 /spl mu/V offset and 8 kHz bandwidth has been designed for battery current measurement. Chopping at 16 kHz, the circuit has a 0.1 V input range, a 68 dB SNR, and a 1 MHz output bit rate. Area is 0.45x0.4 mm in 0.35 /spl mu/m CMOS. Current consumption is 30 /spl mu/A at 2.5-4 V.
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