{"id":"https://openalex.org/W7130586969","doi":"https://doi.org/10.1109/apccas67402.2025.11376810","title":"An 88.6-dB SNDR Discrete-Time Delta-Sigma Modulator Using Two-Stage Floating Inverter Amplifiers in 180-nm CMOS","display_name":"An 88.6-dB SNDR Discrete-Time Delta-Sigma Modulator Using Two-Stage Floating Inverter Amplifiers in 180-nm CMOS","publication_year":2025,"publication_date":"2025-10-12","ids":{"openalex":"https://openalex.org/W7130586969","doi":"https://doi.org/10.1109/apccas67402.2025.11376810"},"language":null,"primary_location":{"id":"doi:10.1109/apccas67402.2025.11376810","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas67402.2025.11376810","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS)","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":null,"display_name":"Chun-Yang Chiu","orcid":null},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chun-Yang Chiu","raw_affiliation_strings":["National Taiwan University of Science and Technology,Department of Electronics and Computer Engineering,Taipei,Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Taiwan University of Science and Technology,Department of Electronics and Computer Engineering,Taipei,Taiwan","institution_ids":["https://openalex.org/I154864474"]}]},{"author_position":"last","author":{"id":null,"display_name":"Yung-Hui Chung","orcid":null},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yung-Hui Chung","raw_affiliation_strings":["National Taiwan University of Science and Technology,Department of Electronics and Computer Engineering,Taipei,Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Taiwan University of Science and Technology,Department of Electronics and Computer Engineering,Taipei,Taiwan","institution_ids":["https://openalex.org/I154864474"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I154864474"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.75842096,"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/T10323","display_name":"Analog and Mixed-Signal Circuit Design","score":0.9843999743461609,"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":0.9843999743461609,"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/T11034","display_name":"Digital Filter Design and Implementation","score":0.006599999964237213,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11697","display_name":"Numerical Methods and Algorithms","score":0.002300000051036477,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/spurious-free-dynamic-range","display_name":"Spurious-free dynamic range","score":0.7423999905586243},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.6657999753952026},{"id":"https://openalex.org/keywords/oversampling","display_name":"Oversampling","score":0.6140000224113464},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.5853000283241272},{"id":"https://openalex.org/keywords/cascade","display_name":"Cascade","score":0.564300000667572},{"id":"https://openalex.org/keywords/figure-of-merit","display_name":"Figure of merit","score":0.5095000267028809},{"id":"https://openalex.org/keywords/integrator","display_name":"Integrator","score":0.49059998989105225},{"id":"https://openalex.org/keywords/feed-forward","display_name":"Feed forward","score":0.48159998655319214},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.42579999566078186}],"concepts":[{"id":"https://openalex.org/C119293636","wikidata":"https://www.wikidata.org/wiki/Q657480","display_name":"Spurious-free dynamic range","level":3,"score":0.7423999905586243},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.6657999753952026},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.6299999952316284},{"id":"https://openalex.org/C197323446","wikidata":"https://www.wikidata.org/wiki/Q331222","display_name":"Oversampling","level":3,"score":0.6140000224113464},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.5853000283241272},{"id":"https://openalex.org/C34146451","wikidata":"https://www.wikidata.org/wiki/Q5048094","display_name":"Cascade","level":2,"score":0.564300000667572},{"id":"https://openalex.org/C130277099","wikidata":"https://www.wikidata.org/wiki/Q3676605","display_name":"Figure of merit","level":2,"score":0.5095000267028809},{"id":"https://openalex.org/C79518650","wikidata":"https://www.wikidata.org/wiki/Q2081431","display_name":"Integrator","level":3,"score":0.49059998989105225},{"id":"https://openalex.org/C38858127","wikidata":"https://www.wikidata.org/wiki/Q5441228","display_name":"Feed forward","level":2,"score":0.48159998655319214},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.4729999899864197},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.42579999566078186},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.414900004863739},{"id":"https://openalex.org/C68754193","wikidata":"https://www.wikidata.org/wiki/Q1184820","display_name":"Delta-sigma modulation","level":3,"score":0.41179999709129333},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.40959998965263367},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.3824999928474426},{"id":"https://openalex.org/C145366948","wikidata":"https://www.wikidata.org/wiki/Q178947","display_name":"Operational amplifier","level":4,"score":0.38019999861717224},{"id":"https://openalex.org/C11190779","wikidata":"https://www.wikidata.org/wiki/Q664575","display_name":"Inverter","level":3,"score":0.37770000100135803},{"id":"https://openalex.org/C65655974","wikidata":"https://www.wikidata.org/wiki/Q14867674","display_name":"Swing","level":2,"score":0.3720000088214874},{"id":"https://openalex.org/C2779283907","wikidata":"https://www.wikidata.org/wiki/Q1632964","display_name":"Transconductance","level":4,"score":0.3271999955177307},{"id":"https://openalex.org/C117551214","wikidata":"https://www.wikidata.org/wiki/Q6692774","display_name":"Low-power electronics","level":4,"score":0.3224000036716461},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3156999945640564},{"id":"https://openalex.org/C58117264","wikidata":"https://www.wikidata.org/wiki/Q1239595","display_name":"Operational transconductance amplifier","level":5,"score":0.3003000020980835},{"id":"https://openalex.org/C9083635","wikidata":"https://www.wikidata.org/wiki/Q2133535","display_name":"Noise shaping","level":2,"score":0.2865999937057495},{"id":"https://openalex.org/C87133666","wikidata":"https://www.wikidata.org/wiki/Q1161699","display_name":"Dynamic range","level":2,"score":0.2806999981403351},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.27059999108314514},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.2687000036239624},{"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/C2777042010","wikidata":"https://www.wikidata.org/wiki/Q324963","display_name":"Power inverter","level":4,"score":0.2623000144958496},{"id":"https://openalex.org/C11722477","wikidata":"https://www.wikidata.org/wiki/Q1056298","display_name":"Differential amplifier","level":4,"score":0.25929999351501465},{"id":"https://openalex.org/C186886427","wikidata":"https://www.wikidata.org/wiki/Q5441213","display_name":"Feedback loop","level":2,"score":0.25429999828338623},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.2508000135421753}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/apccas67402.2025.11376810","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas67402.2025.11376810","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7859346866607666,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G5715473248","display_name":"Research and Chip Implementation for Ultra-High Resolution Dacs","funder_award_id":"NSTC113-2221-E011-087-MY3","funder_id":"https://openalex.org/F2461203286","funder_display_name":"National Science and Technology Council"}],"funders":[{"id":"https://openalex.org/F2461203286","display_name":"National Science and Technology Council","ror":"https://ror.org/02kv4zf79"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W2537592904","https://openalex.org/W2997030307","https://openalex.org/W3086509224","https://openalex.org/W3133492719","https://openalex.org/W3149494637","https://openalex.org/W4205751875","https://openalex.org/W4285290407","https://openalex.org/W4391183354"],"related_works":[],"abstract_inverted_index":{"This":[0],"work":[1],"presents":[2],"a":[3,71,110],"second-order":[4],"discrete-time":[5],"delta-sigma":[6],"modulator":[7],"(DT-DSM)":[8],"using":[9,42],"two-stage":[10],"floating":[11],"inverting":[12],"amplifiers":[13],"(FIAs)":[14],"for":[15],"audio":[16],"applications.":[17],"The":[18,52],"addition":[19],"of":[20,27,39,82,113],"multiple":[21],"feedforward":[22],"paths":[23],"in":[24,57],"the":[25,36,47,84],"cascade":[26],"integrators":[28],"with":[29,63],"feedback":[30],"(FF-CIFB)":[31],"topology":[32],"can":[33,44],"significantly":[34],"reduce":[35,46],"output":[37],"swing":[38],"integrators.":[40],"Moreover,":[41],"FIAs":[43],"greatly":[45],"overall":[48],"analog":[49],"power":[50,73],"consumption.":[51],"prototype":[53],"DT-DSM":[54],"is":[55],"fabricated":[56],"a$\\mathbf{1":[58],"8":[59],"0}-\\mathbf{n":[60],"m}$CMOS":[61],"technology":[62],"a$0.63-\\text{mm}^{2}$core":[64],"area.":[65],"At$2.56-\\text{MS}":[66],"/":[67],"\\mathrm{s}$,":[68],"it":[69],"consumes":[70],"total":[72],"of$75.2":[74],"\\mu":[75],"~\\mathrm{W}$from":[76],"a$1.2-\\mathrm{V}$supply.":[77],"With":[78],"an":[79],"oversampling":[80],"ratio":[81],"64,":[83],"signal":[85],"bandwidth":[86],"is$\\mathbf{2":[87],"0":[88,102],"k":[89],"H":[90],"z}$.":[91],"Measured":[92],"SNDR":[93],"and":[94],"SFDR":[95],"are$\\mathbf{8":[96],"8.":[97],"6":[98],"~":[99,105,120],"d":[100,106,121],"B}$and$\\mathbf{1":[101],"3.":[103],"3":[104],"B}$,":[107],"translating":[108],"into":[109],"Schreier":[111],"figure":[112],"merit":[114],"(FoMs)":[115],"of$\\mathbf{1":[116],"7":[117],"2.":[118],"9":[119],"B}$.":[122]},"counts_by_year":[],"updated_date":"2026-08-01T09:00:35.917206","created_date":"2026-02-20T00:00:00"}