0.5-V High Linear Fully Differential Multiple-Input Bulk-Driven OTA With Effective Self-Embedded CMFB

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dc.contributor.authorKhateb, Fabiancs
dc.contributor.authorKulej, Tomaszcs
dc.contributor.authorKumngern, Montreecs
dc.contributor.authorPrommee, Pipatcs
dc.coverage.issue1cs
dc.coverage.volume12cs
dc.date.accessioned2024-05-06T11:46:08Z
dc.date.available2024-05-06T11:46:08Z
dc.date.issued2024-05-06cs
dc.description.abstractThis paper presents a new fully differential multiple-input operational transconductance amplifier (FD MI-OTA) with an effective self-embedded common-mode feedback circuit (CMFB). The circuit employs several design techniques to extend the linearity to the rail-to-rail level, such as a bulk-driven, multiple-input capacitive voltage divider and source degeneration. The circuit uses self-cascode transistors to increase the gain of the OTA from one side and to create a common-mode feedback circuit, needed to control the common-mode output voltage from the other side. Thus, the CMFB is part of the OTA and as a result, its chip area and power consumption remain unchanged. The performance of the proposed circuit was simulated using TSMC's CMOS $0.18 \, \mu \text{m}$ process in the Cadence Virtuoso System Design Platform to validate the performance of the topology. Intensive simulation results based on Monte Carlo and process, voltage, temperature corners were performed to confirm the OTA's performance and the robustness of the CMFB. The circuit operates with a supply voltage of 0.5 V and consumes 17.5nW of power, making it suitable for applications with extremely low voltage supply and low frequency. As an application, a second-order low-pass filter was designed based on the proposed FD MI-OTA.en
dc.formattextcs
dc.format.extent58338-58348cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationIEEE Access. 2024, vol. 12, issue 1, p. 58338-58348.en
dc.identifier.doi10.1109/ACCESS.2024.3389060cs
dc.identifier.issn2169-3536cs
dc.identifier.orcid0000-0002-9864-9830cs
dc.identifier.other188533cs
dc.identifier.researcheridO-6465-2014cs
dc.identifier.scopus36185268100cs
dc.identifier.urihttps://hdl.handle.net/11012/245349
dc.language.isoencs
dc.publisherIEEEcs
dc.relation.ispartofIEEE Accesscs
dc.relation.urihttps://ieeexplore.ieee.org/document/10500360cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2169-3536/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectTransistorsen
dc.subjectTransconductanceen
dc.subjectVoltage controlen
dc.subjectResistorsen
dc.subjectCapacitorsen
dc.subjectThreshold voltageen
dc.subjectResistanceen
dc.subjectAmplifiersen
dc.subjectUniversal filteren
dc.subjectvoltage-mode circuiten
dc.subjectoperational transconductance amplifieren
dc.title0.5-V High Linear Fully Differential Multiple-Input Bulk-Driven OTA With Effective Self-Embedded CMFBen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-188533en
sync.item.dbtypeVAVen
sync.item.insts2024.05.06 13:46:07en
sync.item.modts2024.05.06 13:13:38en
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav mikroelektronikycs
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