{"title":"0.5V 4.95μW 11.8fps PWM CMOS成像仪，动态范围82dB，固定模式噪声0.055%","authors":"Meng-Ting Chung, C. Hsieh","doi":"10.1109/ISSCC.2012.6176942","DOIUrl":null,"url":null,"abstract":"In this paper, a 0.5V 64×40-pixel PWM imager is prototyped in standard 0.18μm CMOS. A threshold-variation-cancelling (TVC) scheme is developed to solve the non-uniformity issue of in-pixel comparators, which results in 0.055% fixed-pattern noise (FPN). To deal with the limited signal swing at 0.5V operation, a programmable current-controlled threshold (PCCT) scheme is implemented to achieve a 56.5dB boost in dynamic range.","PeriodicalId":255282,"journal":{"name":"2012 IEEE International Solid-State Circuits Conference","volume":"16 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"26","resultStr":"{\"title\":\"A 0.5V 4.95μW 11.8fps PWM CMOS imager with 82dB dynamic range and 0.055% fixed-pattern noise\",\"authors\":\"Meng-Ting Chung, C. Hsieh\",\"doi\":\"10.1109/ISSCC.2012.6176942\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, a 0.5V 64×40-pixel PWM imager is prototyped in standard 0.18μm CMOS. A threshold-variation-cancelling (TVC) scheme is developed to solve the non-uniformity issue of in-pixel comparators, which results in 0.055% fixed-pattern noise (FPN). To deal with the limited signal swing at 0.5V operation, a programmable current-controlled threshold (PCCT) scheme is implemented to achieve a 56.5dB boost in dynamic range.\",\"PeriodicalId\":255282,\"journal\":{\"name\":\"2012 IEEE International Solid-State Circuits Conference\",\"volume\":\"16 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-04-03\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"26\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2012 IEEE International Solid-State Circuits Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISSCC.2012.6176942\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 IEEE International Solid-State Circuits Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISSCC.2012.6176942","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A 0.5V 4.95μW 11.8fps PWM CMOS imager with 82dB dynamic range and 0.055% fixed-pattern noise
In this paper, a 0.5V 64×40-pixel PWM imager is prototyped in standard 0.18μm CMOS. A threshold-variation-cancelling (TVC) scheme is developed to solve the non-uniformity issue of in-pixel comparators, which results in 0.055% fixed-pattern noise (FPN). To deal with the limited signal swing at 0.5V operation, a programmable current-controlled threshold (PCCT) scheme is implemented to achieve a 56.5dB boost in dynamic range.
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