{"id":"https://openalex.org/W7161174027","doi":"https://doi.org/10.1109/cicc65509.2026.11509567","title":"Aging- and Temperature-Resilient Chopper OPA with 19 nV/\u221aHz Noise and 2.6 \u03bcV Offset Using Continuous CM-Adaptive Background Calibration","display_name":"Aging- and Temperature-Resilient Chopper OPA with 19 nV/\u221aHz Noise and 2.6 \u03bcV Offset Using Continuous CM-Adaptive Background Calibration","publication_year":2026,"publication_date":"2026-04-19","ids":{"openalex":"https://openalex.org/W7161174027","doi":"https://doi.org/10.1109/cicc65509.2026.11509567"},"language":null,"primary_location":{"id":"doi:10.1109/cicc65509.2026.11509567","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cicc65509.2026.11509567","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 IEEE Custom Integrated Circuits Conference (CICC)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5128034480","display_name":"Mingqian Sun","orcid":null},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mingqian Sun","raw_affiliation_strings":["Fudan University,State Key Laboratory of Integrated Chips and Systems,Shanghai,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,State Key Laboratory of Integrated Chips and Systems,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052619783","display_name":"Tianxiang Qu","orcid":"https://orcid.org/0000-0002-2244-736X"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tianxiang Qu","raw_affiliation_strings":["Fudan University,State Key Laboratory of Integrated Chips and Systems,Shanghai,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,State Key Laboratory of Integrated Chips and Systems,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136160498","display_name":"Zhiliang Hong","orcid":null},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiliang Hong","raw_affiliation_strings":["Fudan University,State Key Laboratory of Integrated Chips and Systems,Shanghai,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,State Key Laboratory of Integrated Chips and Systems,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5136180941","display_name":"Jiawei Xu","orcid":null},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiawei Xu","raw_affiliation_strings":["Fudan University,State Key Laboratory of Integrated Chips and Systems,Shanghai,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fudan University,State Key Laboratory of Integrated Chips and Systems,Shanghai,China","institution_ids":["https://openalex.org/I24943067"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I24943067"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.61429915,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11050","display_name":"Photorefractive and Nonlinear Optics","score":0.1225999966263771,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11050","display_name":"Photorefractive and Nonlinear Optics","score":0.1225999966263771,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11992","display_name":"CCD and CMOS Imaging Sensors","score":0.06939999759197235,"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"}},{"id":"https://openalex.org/T11216","display_name":"Radiation Detection and Scintillator Technologies","score":0.06120000034570694,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.61080002784729},{"id":"https://openalex.org/keywords/offset","display_name":"Offset (computer science)","score":0.5376999974250793},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.49000000953674316},{"id":"https://openalex.org/keywords/chopper","display_name":"Chopper","score":0.36340001225471497},{"id":"https://openalex.org/keywords/bruit","display_name":"Bruit","score":0.27619999647140503},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.27140000462532043}],"concepts":[{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.61080002784729},{"id":"https://openalex.org/C175291020","wikidata":"https://www.wikidata.org/wiki/Q1156822","display_name":"Offset (computer science)","level":2,"score":0.5376999974250793},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.49000000953674316},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.46860000491142273},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.4456000030040741},{"id":"https://openalex.org/C2780191706","wikidata":"https://www.wikidata.org/wiki/Q191658","display_name":"Chopper","level":3,"score":0.36340001225471497},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.32670000195503235},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3249000012874603},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3156000077724457},{"id":"https://openalex.org/C2781255199","wikidata":"https://www.wikidata.org/wiki/Q3491504","display_name":"Bruit","level":3,"score":0.27619999647140503},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.27140000462532043},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.26750001311302185},{"id":"https://openalex.org/C187612029","wikidata":"https://www.wikidata.org/wiki/Q17083130","display_name":"Noise floor","level":4,"score":0.26460000872612},{"id":"https://openalex.org/C100675267","wikidata":"https://www.wikidata.org/wiki/Q1371624","display_name":"Background noise","level":2,"score":0.26249998807907104},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.25769999623298645},{"id":"https://openalex.org/C29265498","wikidata":"https://www.wikidata.org/wiki/Q7047719","display_name":"Noise measurement","level":3,"score":0.2540000081062317},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2529999911785126}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/cicc65509.2026.11509567","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cicc65509.2026.11509567","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 IEEE Custom Integrated Circuits Conference (CICC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,31,53,84],"chopper-stabilized":[4],"(CHS)":[5],"multipath":[6],"operational":[7],"amplifier":[8],"(OPA)":[9],"employing":[10],"continuous":[11],"common-mode":[12],"(CM)-adaptive":[13],"background":[14],"calibration":[15],"to":[16,66],"maintain":[17],"long-term":[18],"precision":[19,120],"against":[20],"aging":[21],"and":[22,38,52,96,113,121],"temperature":[23],"variations.":[24],"An":[25],"ultra-low":[26],"duty-cycle":[27],"auxiliary":[28,62],"path":[29],"with":[30],"pre-stored":[32],"compensation":[33],"voltage":[34],"suppresses":[35],"calibration-induced":[36],"noise":[37,101],"offset,":[39,108],"ensuring":[40],"seamless":[41],"low-noise":[42],"operation.":[43],"A":[44],"CM-adaptive":[45],"trimming":[46],"mechanism":[47],"utilizing":[48],"dual":[49],"8-bit":[50],"MOS-DACs":[51],"CM":[54,68,79],"detector":[55],"dynamically":[56],"activates":[57],"the":[58,67,75,88],"NMOS":[59],"or":[60],"PMOS":[61],"input":[63,78],"pair":[64],"according":[65],"level,":[69],"achieving":[70],"robust":[71],"offset":[72],"cancellation":[73],"across":[74],"entire":[76],"rail-to-rail":[77],"range":[80],"(ICMR).":[81],"Fabricated":[82],"in":[83],"0.18-\u03bcm":[85],"CMOS":[86],"process,":[87],"prototype":[89],"draws":[90],"0.71":[91],"mA":[92],"from":[93],"1.8":[94],"V":[95],"achieves":[97],"19":[98],"nV/\u221aHz":[99],"input-referred":[100,107,111],"(0.003125%":[102],"duty":[103],"cycle),":[104],"2.6":[105],"\u03bcV":[106,110],"1":[109],"ripple,":[112],"132":[114],"dB":[115],"average":[116],"CMRR,":[117],"demonstrating":[118],"state-of-the-art":[119],"stability":[122],"among":[123],"CHS":[124],"amplifiers.":[125]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2026-05-15T00:00:00"}
