{"id":"https://openalex.org/W4406894724","doi":"https://doi.org/10.1109/a-sscc60305.2024.10849123","title":"A 1.2GS/s 11b Time-Interleaved SAR ADC with Low-Cost Derivative-Based Background Timing-Skew Calibration and Variable-Load Comparators","display_name":"A 1.2GS/s 11b Time-Interleaved SAR ADC with Low-Cost Derivative-Based Background Timing-Skew Calibration and Variable-Load Comparators","publication_year":2024,"publication_date":"2024-11-18","ids":{"openalex":"https://openalex.org/W4406894724","doi":"https://doi.org/10.1109/a-sscc60305.2024.10849123"},"language":"en","primary_location":{"id":"doi:10.1109/a-sscc60305.2024.10849123","is_oa":false,"landing_page_url":"https://doi.org/10.1109/a-sscc60305.2024.10849123","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE Asian Solid-State Circuits Conference (A-SSCC)","raw_type":"proceedings-article"},"type":"article","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/A5102857996","display_name":"Mingyang Gu","orcid":"https://orcid.org/0009-0005-5618-3074"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Mingyang Gu","raw_affiliation_strings":["Tsinghua University,Beijing,China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University,Beijing,China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049808534","display_name":"Yunsong Tao","orcid":"https://orcid.org/0000-0002-5469-9895"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yunsong Tao","raw_affiliation_strings":["Tsinghua University,Beijing,China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University,Beijing,China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101600111","display_name":"Xiyu He","orcid":"https://orcid.org/0009-0006-5951-1456"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiyu He","raw_affiliation_strings":["Tsinghua University,Beijing,China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University,Beijing,China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100667723","display_name":"Yi Zhong","orcid":"https://orcid.org/0000-0002-9228-5466"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Zhong","raw_affiliation_strings":["Tsinghua University,Beijing,China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University,Beijing,China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022571725","display_name":"Lu Jie","orcid":"https://orcid.org/0000-0001-5046-3917"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lu Jie","raw_affiliation_strings":["Tsinghua University,Beijing,China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University,Beijing,China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070329670","display_name":"Nan Sun","orcid":"https://orcid.org/0000-0002-5536-8385"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Nan Sun","raw_affiliation_strings":["Tsinghua University,Beijing,China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University,Beijing,China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5102857996"],"corresponding_institution_ids":["https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":0.3919,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.59996723,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"3"},"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":0.998199999332428,"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":0.998199999332428,"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/T11992","display_name":"CCD and CMOS Imaging Sensors","score":0.9894999861717224,"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/T10502","display_name":"Advanced Memory and Neural Computing","score":0.9871000051498413,"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/skew","display_name":"Skew","score":0.8485563397407532},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.6170403957366943},{"id":"https://openalex.org/keywords/comparator","display_name":"Comparator","score":0.5896773338317871},{"id":"https://openalex.org/keywords/variable","display_name":"Variable (mathematics)","score":0.5879449248313904},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5087464451789856},{"id":"https://openalex.org/keywords/derivative","display_name":"Derivative (finance)","score":0.43239572644233704},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.40187394618988037},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.23498252034187317},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.17839300632476807},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13936161994934082},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.11869016289710999},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.1065816581249237},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.10611703991889954},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09402227401733398},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.07595664262771606}],"concepts":[{"id":"https://openalex.org/C43711488","wikidata":"https://www.wikidata.org/wiki/Q7534783","display_name":"Skew","level":2,"score":0.8485563397407532},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.6170403957366943},{"id":"https://openalex.org/C155745195","wikidata":"https://www.wikidata.org/wiki/Q1164179","display_name":"Comparator","level":3,"score":0.5896773338317871},{"id":"https://openalex.org/C182365436","wikidata":"https://www.wikidata.org/wiki/Q50701","display_name":"Variable (mathematics)","level":2,"score":0.5879449248313904},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5087464451789856},{"id":"https://openalex.org/C111771559","wikidata":"https://www.wikidata.org/wiki/Q66295","display_name":"Derivative (finance)","level":2,"score":0.43239572644233704},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.40187394618988037},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.23498252034187317},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.17839300632476807},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13936161994934082},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.11869016289710999},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.1065816581249237},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.10611703991889954},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09402227401733398},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.07595664262771606},{"id":"https://openalex.org/C106159729","wikidata":"https://www.wikidata.org/wiki/Q2294553","display_name":"Financial economics","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/a-sscc60305.2024.10849123","is_oa":false,"landing_page_url":"https://doi.org/10.1109/a-sscc60305.2024.10849123","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE Asian Solid-State Circuits Conference (A-SSCC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7200000286102295,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320327539","display_name":"Beijing Innovation Center for Future Chip","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2034349229","https://openalex.org/W3004219868","https://openalex.org/W4366783034","https://openalex.org/W1972415042","https://openalex.org/W4313221225","https://openalex.org/W2150642609","https://openalex.org/W2005410346","https://openalex.org/W2023494387","https://openalex.org/W4306816370","https://openalex.org/W2189390720"],"abstract_inverted_index":{"Time-interleaved":[0],"(TI)":[1],"SARs":[2],"are":[3,263],"popular":[4],"choices":[5],"for":[6],"high-speed":[7],"ADCs":[8],"due":[9],"to":[10,31,43,63,68,88,124,131,199,242,265,321],"their":[11],"high":[12],"energy":[13,288],"efficiency":[14],"and":[15,75,138,163,184,221,249,258,287,296,328],"scaling":[16],"compatibility,":[17],"but":[18,179,213],"they":[19],"suffer":[20],"from":[21],"timing":[22,37],"skew":[23,38],"that":[24,49,236],"severely":[25],"degrades":[26],"the":[27,32,36,98,105,147,186,226,267,281,292],"linearity.":[28],"The":[29,168],"key":[30],"background":[33],"calibration":[34,234,294,309],"of":[35,107,122,150,325,331],"error":[39],"$\\Delta":[40,50,90,134,245],"t$":[41,51],"is":[42,67,129,181],"correctly":[44],"estimate":[45,64],"its":[46,77],"sign,":[47],"so":[48],"can":[52,170,191],"be":[53,171,193],"minimized":[54],"by":[55,173,195],"adjusting":[56],"a":[57,70,165,175,231,275,298,322],"variable":[58],"delay":[59],"line.":[60],"One":[61],"way":[62],"$\\operatorname{sgn}(\\Delta":[65,108,151],"t)$":[66,109],"add":[69],"reference":[71],"ADC":[72,304],"channel":[73,85,198,241],"(ref-ADC)":[74],"compare":[76],"output":[78,86],"$\\mathrm{D}_{\\text":[79],"{ref":[80],"}}$":[81,137,248],"with":[82,291,305],"each":[83],"sub-ADC":[84],"$D_{i}$":[87],"obtain":[89],"V_{i":[91,153],"n}=D_{i}-D_{\\text":[92],"{ref.":[93],"}}$.":[94],"However,":[95],"without":[96],"knowing":[97],"input":[99,187,211],"derivative":[100,169,203],"dV":[101],"in":[102,218,284],"$/":[103],"\\mathrm{dt}$,":[104,144,255],"estimation":[106],"relies":[110],"on":[111],"computing":[112],"auto-correlation":[113],"or":[114,119],"variance,":[115],"which":[116,145],"takes":[117],"millions":[118],"even":[120],"billions":[121],"samples":[123],"converge":[125],"[1].":[126],"Thus,":[127],"it":[128,180],"preferred":[130],"extract":[132,243],"both":[133,244,285],"\\mathrm{V}_{\\text":[135,140,246,251],"{in":[136,141,158,247,252],"$\\mathrm{d}":[139,250],"}}":[142,159,253],"/":[143,160,254],"allows":[146],"direct":[148],"solving":[149],"t)=\\operatorname{sgn}\\left(\\Delta":[152],"n}":[154],"\\cdot":[155],"d":[156,161],"V_{\\text":[157],"t\\right)$":[162],"achieves":[164,311],"fast":[166,259],"convergence.":[167],"estimated":[172],"using":[174],"digital":[176],"FIR":[177],"filter,":[178],"computationally":[182],"intensive":[183],"limits":[185],"bandwidth":[188],"[2].":[189],"It":[190,279],"also":[192,273],"extracted":[194],"adding":[196],"another":[197],"build":[200],"an":[201,306],"analog":[202],"filter":[204],"[3]":[205],"[4].":[206],"This":[207,271],"approach":[208],"supports":[209],"wide":[210],"bandwidth,":[212],"two":[214],"extra":[215,240],"channels":[216],"result":[217],"large":[219],"area":[220],"power":[222],"overhead.":[223],"To":[224],"minimize":[225],"cost,":[227],"this":[228],"paper":[229,272],"proposes":[230,274],"novel":[232,276],"timing-skew":[233,308],"technique":[235,295],"uses":[237],"only":[238,317],"one":[239],"achieving":[256],"low-cost":[257],"calibration.":[260],"Dummy":[261],"loads":[262],"used":[264],"compensate":[266],"impedance":[268],"modulation":[269],"effect.":[270],"variable-load":[277],"comparator.":[278],"outperforms":[280],"conventional":[282],"design":[283],"speed":[286],"efficiency.":[289],"Equipped":[290],"proposed":[293],"comparators,":[297],"prototype":[299],"1.2GS/s":[300],"11b":[301],"TI":[302],"SAR":[303],"on-chip":[307],"engine":[310],"58.4":[312],"dB":[313,327],"SNDR":[314],"while":[315],"consuming":[316],"4.6":[318],"mW,":[319],"leading":[320],"competitive":[323],"FoMs":[324],"169.6":[326],"FoM":[329],"w":[330],"$5.6":[332],"\\mathrm{fJ}":[333],"/$":[334],"conv-step.":[335]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1}],"updated_date":"2025-12-23T23:11:35.936235","created_date":"2025-10-10T00:00:00"}
