Please use this identifier to cite or link to this item: https://doi.org/10.1109/JSSC.2011.2161212
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dc.titleA 0.6-V 82-dB 28.6-μW continuous-time audio deltasSigma modulator
dc.contributor.authorZhang, J.
dc.contributor.authorLian, Y.
dc.contributor.authorYao, L.
dc.contributor.authorShi, B.
dc.date.accessioned2014-10-07T04:39:47Z
dc.date.available2014-10-07T04:39:47Z
dc.date.issued2011-10
dc.identifier.citationZhang, J., Lian, Y., Yao, L., Shi, B. (2011-10). A 0.6-V 82-dB 28.6-μW continuous-time audio deltasSigma modulator. IEEE Journal of Solid-State Circuits 46 (10) : 2326-2335. ScholarBank@NUS Repository. https://doi.org/10.1109/JSSC.2011.2161212
dc.identifier.issn00189200
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/83307
dc.description.abstractThe design of a low-voltage low-power fourth-order single-bit continuous-time Delta-Sigma modulator is presented in this paper for audio applications. The modulator employs an input-feedforward topology in order to reduce internal signal swings, thus relaxes the linearity and slew rate requirements on amplifiers leading to low-voltage operation and low-power consumption. The energy efficiency is further improved by embedding the summation of feedforward paths into the quantizer. For low-voltage operation, a gain-enhanced fully-differential amplifier and a body-driven rail-to-rail input CMFB circuit are developed. The modulator, implemented in a 0.13-μm standard CMOS technology with a core area of 0.11 mm2, achieves an 82-dB dynamic range (DR), and a 79.1-dB peak signal-to-noise and distortion ratio (SNDR) over a 20-kHz signal bandwidth. The power consumption of the modulator is 28.6 μW under a 0.6-V supply voltage. The achieved performance make it one of the best among state-of-the-art sub-1-V modulators in terms of two widely used figures of merit. © 2011 IEEE.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1109/JSSC.2011.2161212
dc.sourceScopus
dc.subjectCMOS technology
dc.subjectcontinuous-time
dc.subjectDelta-Sigma modulator
dc.subjectlow-power
dc.subjectlow-voltage
dc.typeConference Paper
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1109/JSSC.2011.2161212
dc.description.sourcetitleIEEE Journal of Solid-State Circuits
dc.description.volume46
dc.description.issue10
dc.description.page2326-2335
dc.description.codenIJSCB
dc.identifier.isiut000295510500012
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