Please use this identifier to cite or link to this item: https://doi.org/10.1109/SOCDC.2008.4815561
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dc.titleA sigma-delta class D audio power amplifier in 0.35μm CMOS technology
dc.contributor.authorJunle, P.
dc.contributor.authorLibin, Y.
dc.contributor.authorYong, L.
dc.date.accessioned2014-06-19T02:56:26Z
dc.date.available2014-06-19T02:56:26Z
dc.date.issued2008
dc.identifier.citationJunle, P.,Libin, Y.,Yong, L. (2008). A sigma-delta class D audio power amplifier in 0.35μm CMOS technology. 2008 International SoC Design Conference, ISOCC 2008 1 : I5-I8. ScholarBank@NUS Repository. <a href="https://doi.org/10.1109/SOCDC.2008.4815561" target="_blank">https://doi.org/10.1109/SOCDC.2008.4815561</a>
dc.identifier.isbn9781424425990
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/69065
dc.description.abstractThis paper presents a single chip class D audio power amplifier realized in a 0.35μm CMOS technology. This chip consists of a high-linear single-loop feed-forward Sigma-Delta modulator with three level quantizer and a full H-bridge output stage. The three-level quantizer effectively reduces the switching activity of the output stage, especially when the input signal amplitude is low, hence improves the power efficiency. Direct feedback from H-bridge output improves the linearity of the amplifier. With a 3.3-V supply voltage and 4-Ohm load, the amplifier can deliver maximum 1-W output power with THD less than 0.8% at 8kHz and reaches a maximum power efficiency more than 80%. ©2008 IEEE.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1109/SOCDC.2008.4815561
dc.sourceScopus
dc.subjectΣ modulation
dc.subject1.5bit quantization
dc.subjectFeedforward
dc.typeConference Paper
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1109/SOCDC.2008.4815561
dc.description.sourcetitle2008 International SoC Design Conference, ISOCC 2008
dc.description.volume1
dc.description.pageI5-I8
dc.identifier.isiutNOT_IN_WOS
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