{"id":"https://openalex.org/W3166544813","doi":"https://doi.org/10.1109/access.2021.3087737","title":"Area and Power-Efficient Capacitively-Coupled Chopper Instrumentation Amplifiers in 28 nm CMOS for Multi-Channel Biosensing Applications","display_name":"Area and Power-Efficient Capacitively-Coupled Chopper Instrumentation Amplifiers in 28 nm CMOS for Multi-Channel Biosensing Applications","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3166544813","doi":"https://doi.org/10.1109/access.2021.3087737","mag":"3166544813"},"language":"en","primary_location":{"id":"doi:10.1109/access.2021.3087737","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3087737","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09449909.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09449909.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5009585337","display_name":"Xuan Thanh Pham","orcid":"https://orcid.org/0000-0001-9979-3220"},"institutions":[{"id":"https://openalex.org/I35928602","display_name":"Kyung Hee University","ror":"https://ror.org/01zqcg218","country_code":"KR","type":"education","lineage":["https://openalex.org/I35928602"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Xuan Thanh Pham","raw_affiliation_strings":["School of Electronics and Information, Kyung Hee University, Yongin, South Korea"],"raw_orcid":"https://orcid.org/0000-0001-9979-3220","affiliations":[{"raw_affiliation_string":"School of Electronics and Information, Kyung Hee University, Yongin, South Korea","institution_ids":["https://openalex.org/I35928602"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107340507","display_name":"Ngoc Tan Nguyen","orcid":"https://orcid.org/0000-0003-0282-2000"},"institutions":[{"id":"https://openalex.org/I35928602","display_name":"Kyung Hee University","ror":"https://ror.org/01zqcg218","country_code":"KR","type":"education","lineage":["https://openalex.org/I35928602"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Ngoc Tan Nguyen","raw_affiliation_strings":["Information and Communication System-on-Chip (SoC) Research Center, Kyung Hee University, Yongin, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Information and Communication System-on-Chip (SoC) Research Center, Kyung Hee University, Yongin, South Korea","institution_ids":["https://openalex.org/I35928602"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008725921","display_name":"Van-Nhan Nguyen","orcid":"https://orcid.org/0000-0002-0321-9425"},"institutions":[{"id":"https://openalex.org/I35928602","display_name":"Kyung Hee University","ror":"https://ror.org/01zqcg218","country_code":"KR","type":"education","lineage":["https://openalex.org/I35928602"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Van-Nhan Nguyen","raw_affiliation_strings":["Information and Communication System-on-Chip (SoC) Research Center, Kyung Hee University, Yongin, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-0321-9425","affiliations":[{"raw_affiliation_string":"Information and Communication System-on-Chip (SoC) Research Center, Kyung Hee University, Yongin, South Korea","institution_ids":["https://openalex.org/I35928602"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100702747","display_name":"Jong\u2010Wook Lee","orcid":"https://orcid.org/0000-0002-9160-2183"},"institutions":[{"id":"https://openalex.org/I35928602","display_name":"Kyung Hee University","ror":"https://ror.org/01zqcg218","country_code":"KR","type":"education","lineage":["https://openalex.org/I35928602"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jong-Wook Lee","raw_affiliation_strings":["Information and Communication System-on-Chip (SoC) Research Center, Kyung Hee University, Yongin, South Korea","School of Electronics and Information, Kyung Hee University, Yongin, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-9160-2183","affiliations":[{"raw_affiliation_string":"Information and Communication System-on-Chip (SoC) Research Center, Kyung Hee University, Yongin, South Korea","institution_ids":["https://openalex.org/I35928602"]},{"raw_affiliation_string":"School of Electronics and Information, Kyung Hee University, Yongin, South Korea","institution_ids":["https://openalex.org/I35928602"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I35928602"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":1.2341,"has_fulltext":true,"cited_by_count":23,"citation_normalized_percentile":{"value":0.76068534,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"9","issue":null,"first_page":"86773","last_page":"86785"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10323","display_name":"Analog and Mixed-Signal Circuit Design","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10323","display_name":"Analog and Mixed-Signal Circuit Design","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11601","display_name":"Neuroscience and Neural Engineering","score":0.9962999820709229,"subfield":{"id":"https://openalex.org/subfields/2804","display_name":"Cellular and Molecular Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11992","display_name":"CCD and CMOS Imaging Sensors","score":0.9926999807357788,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/chopper","display_name":"Chopper","score":0.6692512631416321},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.6543542146682739},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.5890687108039856},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.45674246549606323},{"id":"https://openalex.org/keywords/offset","display_name":"Offset (computer science)","score":0.4496123492717743},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.43889299035072327},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.4289892017841339},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3705899119377136},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3351266384124756},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.20843923091888428},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1513262689113617},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.10189151763916016}],"concepts":[{"id":"https://openalex.org/C2780191706","wikidata":"https://www.wikidata.org/wiki/Q191658","display_name":"Chopper","level":3,"score":0.6692512631416321},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.6543542146682739},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.5890687108039856},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.45674246549606323},{"id":"https://openalex.org/C175291020","wikidata":"https://www.wikidata.org/wiki/Q1156822","display_name":"Offset (computer science)","level":2,"score":0.4496123492717743},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.43889299035072327},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.4289892017841339},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3705899119377136},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3351266384124756},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.20843923091888428},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1513262689113617},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.10189151763916016},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2021.3087737","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3087737","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09449909.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:5a11ae07bbfa447a85920864a7be1100","is_oa":true,"landing_page_url":"https://doaj.org/article/5a11ae07bbfa447a85920864a7be1100","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 9, Pp 86773-86785 (2021)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2021.3087737","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3087737","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09449909.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.8500000238418579}],"awards":[{"id":"https://openalex.org/G1312329843","display_name":null,"funder_award_id":"2021R1A2B5B01001475","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"},{"id":"https://openalex.org/G4545665711","display_name":null,"funder_award_id":"2020M3H2A1076786","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"},{"id":"https://openalex.org/G6671889680","display_name":null,"funder_award_id":"2020M3H2A1076786","funder_id":"https://openalex.org/F4320320671","funder_display_name":"National Research Foundation"}],"funders":[{"id":"https://openalex.org/F4320320671","display_name":"National Research Foundation","ror":"https://ror.org/05s0g1g46"},{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"},{"id":"https://openalex.org/F4320322202","display_name":"IC Design Education Center","ror":"https://ror.org/005v57z85"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3166544813.pdf","grobid_xml":"https://content.openalex.org/works/W3166544813.grobid-xml"},"referenced_works_count":36,"referenced_works":["https://openalex.org/W1533614470","https://openalex.org/W1566916904","https://openalex.org/W1597620877","https://openalex.org/W1608291116","https://openalex.org/W1967356008","https://openalex.org/W1969868182","https://openalex.org/W1994424762","https://openalex.org/W2003444784","https://openalex.org/W2033702540","https://openalex.org/W2040335456","https://openalex.org/W2066186666","https://openalex.org/W2096941418","https://openalex.org/W2109472370","https://openalex.org/W2138558886","https://openalex.org/W2146978303","https://openalex.org/W2159318368","https://openalex.org/W2168998384","https://openalex.org/W2169766445","https://openalex.org/W2211705316","https://openalex.org/W2272265588","https://openalex.org/W2396217863","https://openalex.org/W2582798323","https://openalex.org/W2757153884","https://openalex.org/W2765737812","https://openalex.org/W2767075698","https://openalex.org/W2791337897","https://openalex.org/W2908583992","https://openalex.org/W2940831316","https://openalex.org/W2978044094","https://openalex.org/W3025396893","https://openalex.org/W3039890069","https://openalex.org/W3041229157","https://openalex.org/W4206315045","https://openalex.org/W4231501498","https://openalex.org/W6680481314","https://openalex.org/W6745420251"],"related_works":["https://openalex.org/W2899084033","https://openalex.org/W2376014514","https://openalex.org/W2391645806","https://openalex.org/W2387338363","https://openalex.org/W20937862","https://openalex.org/W2181931672","https://openalex.org/W2080606327","https://openalex.org/W2900802911","https://openalex.org/W1491775903","https://openalex.org/W2381245667"],"abstract_inverted_index":{"This":[0,244],"paper":[1],"presents":[2,137],"two":[3,69],"designs":[4],"of":[5,72,86,110,171,200,221,230,258,263],"a":[6,26,46,76,107,114,138,168,175,218,247],"capacitively-coupled":[7],"chopper":[8],"instrumentation":[9,252],"amplifier":[10,253],"(CCIA)":[11],"successfully":[12],"implemented":[13],"in":[14,83,217],"28":[15],"nm":[16],"CMOS":[17,266],"for":[18,31,39,51,63,147,157],"biopotential":[19],"sensing":[20],"applications.":[21,150],"The":[22,68,104,122,134,160,188,206],"first":[23],"design":[24,136],"is":[25,61,131,155,192,232,246],"compact":[27,219],"CCIA":[28,74,90,105,140],"using":[29,142,213],"offset-blocking":[30],"chopping":[32,146],"ripple":[33],"reduction,":[34],"DC":[35],"servo":[36],"loop":[37],"(DSL)":[38],"electrode":[40],"offset":[41],"(":[42],"VEOS)":[43],"suppression,":[44],"and":[45,65,96],"high":[47],"pass":[48],"filter":[49],"(HPF)":[50],"handling":[52],"common-mode":[53],"(CM)":[54],"artifacts.":[55],"An":[56,151],"inverter-based":[57,152],"self-biased":[58],"input":[59,153],"stage":[60,154],"used":[62,156],"noise":[64,125,158,190,199],"power":[66],"efficiency.":[67,159],"gain":[70,79,109,170,227],"stages":[71],"the":[73,89,165,214,235,242,251,256,259,264],"achieve":[75],"low-frequency":[77,169],"open-loop":[78],">80":[80],"dB.":[81],"Realized":[82,216],"an":[84,143,197,225],"area":[85,220],"0.05":[87],"mm2,":[88],"handles":[91],"VEOSup":[92,209],"to":[93,101,179,210,255],"50":[94,211],"mV":[95,212],"tolerates":[97],"CM":[98],"artifacts":[99],"up":[100,178],"1.5":[102],"Vpp.":[103],"achieves":[106,167],"mid-band":[108],"39.5":[111,172],"dB":[112,173,240],"with":[113,174,196,234],"1":[115,120,180],"kHz":[116,181],"bandwidth":[117,130,177],"by":[118,182],"consuming":[119,183],"\u03bcW.":[121],"integrated":[123,198],"input-referred":[124],"(IRN)":[126],"over":[127],"200":[128,203],"Hz":[129,204],"2.15":[132],"\u03bcVrms.":[133],"second":[135],"dual-channel":[139],"(DCCIA)":[141],"orthogonal":[144],"frequency":[145],"multi-sensor":[148],"array":[149],"measured":[161,189,248],"results":[162],"show":[163],"that":[164],"DCCIA":[166,207],"3-dB":[176],"0.71":[184],"\u03bcW":[185],"per":[186],"channel.":[187],"density":[191],"136":[193],"nV/":[194],"\u221aHz":[195],"2.67":[201],"\u03bcVrmsover":[202],"bandwidth.":[205],"suppresses":[208],"DSL.":[215],"0.04":[222],"mm2per":[223],"channel,":[224],"excellent":[226],"matching":[228],"error":[229],"0.29%":[231],"achieved":[233],"crosstalk":[236],"higher":[237],"than":[238],"58":[239],"between":[241],"channels.":[243],"work":[245],"report":[249],"on":[250],"using,":[254],"best":[257],"authors'":[260],"knowledge,":[261],"one":[262],"smallest":[265],"process":[267],"nodes.":[268]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":1}],"updated_date":"2026-08-12T21:12:35.861297","created_date":"2025-10-10T00:00:00"}