A self-calibration 103-dB SNR stereo audio DAC with true-GND class-D headphone drivers in 45nm CMOS
A stereo audio DAC with ground-centered class-D headphone drivers is fully integrated in a 45nm CMOS technology. A built-in self-calibration is proposed to minimize DC offset voltage causing static power dissipation. The asymmetric averaging PWM is also applied to improve linearity and suppress swit...
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| creator | Yong-Hee Lee Chun-Kyun Seok Bong-Joo Kim Seung-Bin You Wang-Seup Yeum Ho-Jin Park Byeong-Ha Park |
| description | A stereo audio DAC with ground-centered class-D headphone drivers is fully integrated in a 45nm CMOS technology. A built-in self-calibration is proposed to minimize DC offset voltage causing static power dissipation. The asymmetric averaging PWM is also applied to improve linearity and suppress switching noise and loss. The measured SNR and DR are 103dB and 98dB, respectively. |
| doi_str_mv | 10.1109/SOCDC.2010.5682904 |
| format | Conference Proceeding |
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The measured SNR and DR are 103dB and 98dB, respectively.</description><subject>audio DAC</subject><subject>Calibration</subject><subject>Driver circuits</subject><subject>Headphones</subject><subject>Pulse width modulation</subject><subject>Pulse width modulation converters</subject><subject>Signal to noise ratio</subject><subject>true-GND and asymmetric PWM</subject><isbn>1424486335</isbn><isbn>9781424486335</isbn><isbn>1424486319</isbn><isbn>9781424486328</isbn><isbn>9781424486311</isbn><isbn>1424486327</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2010</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNpFkM1OAjEURmuMiYq8gG7uCxT7z3SJM4omCImwJ532TqgZZkg7aHx7SSTxbL6czbc4hNxzNuGc2cf1qqzKiWAn16YQlqkLcsuVUKowktvLf5H6moxz_mQntJgqIW-In0HGtqHetbFOboh9B5xJGp5gvfyAPGDCHtwxxB6qWQnfcdjBkI5I58sKfOtyphXs0IXDru8QQopfmDLEDpTu9lC-r9Z35KpxbcbxeUdk8_K8KV_pYjV_K2cLGi0baGDMGTEtaqWZ8t7oAoNU1ja2LpRxxmtZByNQBd74YLzTRrs6WK5cw1Uh5Yg8_N1GRNweUty79LM9N5G_M5BTLQ</recordid><startdate>201011</startdate><enddate>201011</enddate><creator>Yong-Hee Lee</creator><creator>Chun-Kyun Seok</creator><creator>Bong-Joo Kim</creator><creator>Seung-Bin You</creator><creator>Wang-Seup Yeum</creator><creator>Ho-Jin Park</creator><creator>Byeong-Ha Park</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>201011</creationdate><title>A self-calibration 103-dB SNR stereo audio DAC with true-GND class-D headphone drivers in 45nm CMOS</title><author>Yong-Hee Lee ; Chun-Kyun Seok ; Bong-Joo Kim ; Seung-Bin You ; Wang-Seup Yeum ; Ho-Jin Park ; Byeong-Ha Park</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i90t-d00a6278b4504cc658ed3499f9b846a6c53bd62e4d1fcd6ca565abd914af14833</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2010</creationdate><topic>audio DAC</topic><topic>Calibration</topic><topic>Driver circuits</topic><topic>Headphones</topic><topic>Pulse width modulation</topic><topic>Pulse width modulation converters</topic><topic>Signal to noise ratio</topic><topic>true-GND and asymmetric PWM</topic><toplevel>online_resources</toplevel><creatorcontrib>Yong-Hee Lee</creatorcontrib><creatorcontrib>Chun-Kyun Seok</creatorcontrib><creatorcontrib>Bong-Joo Kim</creatorcontrib><creatorcontrib>Seung-Bin You</creatorcontrib><creatorcontrib>Wang-Seup Yeum</creatorcontrib><creatorcontrib>Ho-Jin Park</creatorcontrib><creatorcontrib>Byeong-Ha Park</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Yong-Hee Lee</au><au>Chun-Kyun Seok</au><au>Bong-Joo Kim</au><au>Seung-Bin You</au><au>Wang-Seup Yeum</au><au>Ho-Jin Park</au><au>Byeong-Ha Park</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>A self-calibration 103-dB SNR stereo audio DAC with true-GND class-D headphone drivers in 45nm CMOS</atitle><btitle>2010 International SoC Design Conference</btitle><stitle>SOCDC</stitle><date>2010-11</date><risdate>2010</risdate><spage>336</spage><epage>337</epage><pages>336-337</pages><isbn>1424486335</isbn><isbn>9781424486335</isbn><eisbn>1424486319</eisbn><eisbn>9781424486328</eisbn><eisbn>9781424486311</eisbn><eisbn>1424486327</eisbn><abstract>A stereo audio DAC with ground-centered class-D headphone drivers is fully integrated in a 45nm CMOS technology. A built-in self-calibration is proposed to minimize DC offset voltage causing static power dissipation. The asymmetric averaging PWM is also applied to improve linearity and suppress switching noise and loss. The measured SNR and DR are 103dB and 98dB, respectively.</abstract><pub>IEEE</pub><doi>10.1109/SOCDC.2010.5682904</doi><tpages>2</tpages></addata></record> |
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| ispartof | 2010 International SoC Design Conference, 2010, p.336-337 |
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| language | eng |
| recordid | cdi_ieee_primary_5682904 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | audio DAC Calibration Driver circuits Headphones Pulse width modulation Pulse width modulation converters Signal to noise ratio true-GND and asymmetric PWM |
| title | A self-calibration 103-dB SNR stereo audio DAC with true-GND class-D headphone drivers in 45nm CMOS |
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