1V 14uW Switched-Opamp ΔΣ-ADC for Bioelectric Data Aquisition
In this paper, a 1V ΔΣ-ADC for bioelectric data acquisition is presented. Low power consumption is the major requirement in this design. Both the biquad low pass filter and the delta-sigma modulator are designed using switched-capacitors & switched-opamps. The low pass filter is used to limit th...
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| creator | McDonagh, D. Eljamaly, O. Burdett, A.J. |
| description | In this paper, a 1V ΔΣ-ADC for bioelectric data acquisition is presented. Low power consumption is the major requirement in this design. Both the biquad low pass filter and the delta-sigma modulator are designed using switched-capacitors & switched-opamps. The low pass filter is used to limit the signal bandwidth to 100Hz. The modulator is a 3 rd order 1-bit topology. The sampling frequency and OSR are 32 kHz and 64 respectively. The digital filter is multi-stage & multi-rate to reduce power consumption. These circuits are a sub-part of a system-on-chip (SoC) for wireless body area sensor networks called the Sensium ™ . The total area of the circuits is ~0.38mm 2 . The ADC achieves 58dB dynamic range (ENOB~9.6 bits) and consumes 14uW of power. |
| doi_str_mv | 10.1109/ISSMDBS.2007.4338314 |
| format | Conference Proceeding |
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The ADC achieves 58dB dynamic range (ENOB~9.6 bits) and consumes 14uW of power.</description><subject>Bandwidth</subject><subject>Bioelectric phenomena</subject><subject>Circuit topology</subject><subject>Data acquisition</subject><subject>Delta modulation</subject><subject>Energy consumption</subject><subject>Low pass filters</subject><subject>Network topology</subject><subject>Sampling methods</subject><subject>Wireless sensor networks</subject><isbn>9781424413454</isbn><isbn>1424413451</isbn><isbn>9781424413461</isbn><isbn>142441346X</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2007</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNpVj0FOwzAURI0QEqjkBLDwBRL87W_HWaE0oVCpqIsgWFau8yOMWhqSVIh7cAPu0zMRiW6YzdMs3kjD2DWIBEBkN_OqeiynVSKFSBNUyirAExZlqQWUiKDQwOm_rvGcRX3_JsaoTI_OBbuFZw64f-HVZxj8K9XxsnXblh--Dz9xXha82XV8Gna0IT90wfPSDY7nH_vQhyHs3i_ZWeM2PUVHTlg1u3sqHuLF8n5e5Is4ZGKIa4e0Rm-lrQ0K0FoZK5UBC423JCQ5I8kbkl5LK1NjfKY9-lFyus7WasKu_lYDEa3aLmxd97U6nla_5dlKRA</recordid><startdate>200708</startdate><enddate>200708</enddate><creator>McDonagh, D.</creator><creator>Eljamaly, O.</creator><creator>Burdett, A.J.</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>200708</creationdate><title>1V 14uW Switched-Opamp ΔΣ-ADC for Bioelectric Data Aquisition</title><author>McDonagh, D. ; Eljamaly, O. ; Burdett, A.J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i90t-da4eb4c828d640155368236181fc8e02ea62ec6e2c5282766c95c4c4eba5d9b3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Bandwidth</topic><topic>Bioelectric phenomena</topic><topic>Circuit topology</topic><topic>Data acquisition</topic><topic>Delta modulation</topic><topic>Energy consumption</topic><topic>Low pass filters</topic><topic>Network topology</topic><topic>Sampling methods</topic><topic>Wireless sensor networks</topic><toplevel>online_resources</toplevel><creatorcontrib>McDonagh, D.</creatorcontrib><creatorcontrib>Eljamaly, O.</creatorcontrib><creatorcontrib>Burdett, A.J.</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>McDonagh, D.</au><au>Eljamaly, O.</au><au>Burdett, A.J.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>1V 14uW Switched-Opamp ΔΣ-ADC for Bioelectric Data Aquisition</atitle><btitle>2007 4th IEEE/EMBS International Summer School and Symposium on Medical Devices and Biosensors</btitle><stitle>ISSMDBS</stitle><date>2007-08</date><risdate>2007</risdate><spage>147</spage><epage>150</epage><pages>147-150</pages><isbn>9781424413454</isbn><isbn>1424413451</isbn><eisbn>9781424413461</eisbn><eisbn>142441346X</eisbn><abstract>In this paper, a 1V ΔΣ-ADC for bioelectric data acquisition is presented. Low power consumption is the major requirement in this design. Both the biquad low pass filter and the delta-sigma modulator are designed using switched-capacitors & switched-opamps. The low pass filter is used to limit the signal bandwidth to 100Hz. The modulator is a 3 rd order 1-bit topology. The sampling frequency and OSR are 32 kHz and 64 respectively. The digital filter is multi-stage & multi-rate to reduce power consumption. These circuits are a sub-part of a system-on-chip (SoC) for wireless body area sensor networks called the Sensium ™ . The total area of the circuits is ~0.38mm 2 . The ADC achieves 58dB dynamic range (ENOB~9.6 bits) and consumes 14uW of power.</abstract><pub>IEEE</pub><doi>10.1109/ISSMDBS.2007.4338314</doi><tpages>4</tpages></addata></record> |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Bandwidth Bioelectric phenomena Circuit topology Data acquisition Delta modulation Energy consumption Low pass filters Network topology Sampling methods Wireless sensor networks |
| title | 1V 14uW Switched-Opamp ΔΣ-ADC for Bioelectric Data Aquisition |
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