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Article

±0.3V Bulk-Driven Fully Differential Buffer with High Figures of Merit

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Klipsch School of Electrical and Computer Electrical Engineering, New Mexico State University, MSC 3-O, P.O. Box 30001, Las Cruces, NM 88003-8001, USA
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Instituto Tecnológico Superior de Poza Rica, Tecnológico Nacional de México, Luis Donaldo Colosio Murrieta S/N, Arroyo del Maíz, Poza Rica 93230, Mexico
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Facultad de Instrumentación Electrónica, Universidad Veracruzana, Cto. Gonzalo Aguirre Beltrán S/N, Xalapa 91000, Mexico
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Consejo Veracruzano de Investigación Científica y Desarrollo Tecnológico (COVEICYDET), Av Rafael Murillo Vidal No. 1735, Cuauhtémoc, Xalapa 91069, Mexico
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Institute of Smart Cities, Public University of Navarra, 31006 Pamplona, Spain
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Departamento de Ingeniería Electrónica, Universidad de Sevilla, 41092 Sevilla, Spain
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Author to whom correspondence should be addressed.
Academic Editors: Andrea Acquaviva, Fabian Khateb and Costas Psychalinos
J. Low Power Electron. Appl. 2022, 12(3), 35; https://doi.org/10.3390/jlpea12030035
Received: 30 March 2022 / Revised: 14 May 2022 / Accepted: 5 June 2022 / Published: 22 June 2022
A high performance bulk-driven rail-to-rail fully differential buffer operating from ±0.3V supplies in 180 nm CMOS technology is reported. It has a differential–difference input stage and common mode feedback circuits implemented with no-tail, high CMRR bulk-driven pseudo-differential cells. It operates in subthreshold, has infinite input impedance, low output impedance (1.4 kΩ), 86.77 dB DC open-loop gain, 172.91 kHz bandwidth and 0.684 μW static power dissipation with a 50-pF load capacitance. The buffer has power efficient class AB operation, a small signal figure of merit FOMSS = 12.69 MHzpFμW−1, a large signal figure of merit FOMLS = 34.89 (V/μs) pFμW−1, CMRR = 102 dB, PSRR+ = 109 dB, PSRR− = 100 dB, 1.1 μV/√Hz input noise spectral density, 0.3 mVrms input noise and 3.5 mV input DC offset voltage. View Full-Text
Keywords: low-voltage; analog buffer; bulk-driven op-amp; fully differential; micropower low-voltage; analog buffer; bulk-driven op-amp; fully differential; micropower
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MDPI and ACS Style

Gangineni, M.; Ramirez-Angulo, J.; Vázquez-Leal, H.; Huerta-Chua, J.; Lopez-Martin, A.J.; Carvajal, R.G. ±0.3V Bulk-Driven Fully Differential Buffer with High Figures of Merit. J. Low Power Electron. Appl. 2022, 12, 35. https://doi.org/10.3390/jlpea12030035

AMA Style

Gangineni M, Ramirez-Angulo J, Vázquez-Leal H, Huerta-Chua J, Lopez-Martin AJ, Carvajal RG. ±0.3V Bulk-Driven Fully Differential Buffer with High Figures of Merit. Journal of Low Power Electronics and Applications. 2022; 12(3):35. https://doi.org/10.3390/jlpea12030035

Chicago/Turabian Style

Gangineni, Manaswini, Jaime Ramirez-Angulo, Héctor Vázquez-Leal, Jesús Huerta-Chua, Antonio J. Lopez-Martin, and Ramon Gonzalez Carvajal. 2022. "±0.3V Bulk-Driven Fully Differential Buffer with High Figures of Merit" Journal of Low Power Electronics and Applications 12, no. 3: 35. https://doi.org/10.3390/jlpea12030035

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