{"title":"一个0.25 mW的sigma-delta调制器，用于语音波段应用","authors":"S. Kiriaki","doi":"10.1109/VLSIC.1995.520676","DOIUrl":null,"url":null,"abstract":"A very low power and high resolution analog to digital converter has been developed for voice-band applications. It employs a third-order cascaded sigma-delta modulator and operates with supply range from 2 V to 5 V. When this modulator is used at an oversampling ratio (OSR) of 64 and clock frequency of 500 kHz, it achieves 81.5 dB dynamic range and 77 dB peak signal-to-noise plus distortion ratio (SNDR). The power required for this performance is only 0.25 mW at 2 V power-supply voltage.","PeriodicalId":256846,"journal":{"name":"Digest of Technical Papers., Symposium on VLSI Circuits.","volume":"36 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1995-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"A 0.25 mW sigma-delta modulator for voice-band applications\",\"authors\":\"S. Kiriaki\",\"doi\":\"10.1109/VLSIC.1995.520676\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A very low power and high resolution analog to digital converter has been developed for voice-band applications. It employs a third-order cascaded sigma-delta modulator and operates with supply range from 2 V to 5 V. When this modulator is used at an oversampling ratio (OSR) of 64 and clock frequency of 500 kHz, it achieves 81.5 dB dynamic range and 77 dB peak signal-to-noise plus distortion ratio (SNDR). The power required for this performance is only 0.25 mW at 2 V power-supply voltage.\",\"PeriodicalId\":256846,\"journal\":{\"name\":\"Digest of Technical Papers., Symposium on VLSI Circuits.\",\"volume\":\"36 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1995-06-08\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Digest of Technical Papers., Symposium on VLSI Circuits.\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/VLSIC.1995.520676\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Digest of Technical Papers., Symposium on VLSI Circuits.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/VLSIC.1995.520676","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A 0.25 mW sigma-delta modulator for voice-band applications
A very low power and high resolution analog to digital converter has been developed for voice-band applications. It employs a third-order cascaded sigma-delta modulator and operates with supply range from 2 V to 5 V. When this modulator is used at an oversampling ratio (OSR) of 64 and clock frequency of 500 kHz, it achieves 81.5 dB dynamic range and 77 dB peak signal-to-noise plus distortion ratio (SNDR). The power required for this performance is only 0.25 mW at 2 V power-supply voltage.
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