±0.3v bulk-driven fully differential buffer with high figures of merit
Fecha
2022Autor
Versión
Acceso abierto / Sarbide irekia
Tipo
Artículo / Artikulua
Versión
Versión publicada / Argitaratu den bertsioa
Identificador del proyecto
Impacto
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10.3390/jlpea12030035
Resumen
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 ...
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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 µWstatic 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. [--]
Materias
Analog buffer,
Bulk-driven op-amp,
Fully differential,
Low-voltage,
Micropower
Editor
MDPI
Publicado en
Journal of Low Power Electronics and Applications, 2022,12,35
Departamento
Nafarroako Unibertsitate Publikoa. Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren Saila /
Universidad Pública de Navarra/Nafarroako Unibertsitate Publikoa. Institute of Smart Cities - ISC /
Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica, Electrónica y de Comunicación
Versión del editor
Entidades Financiadoras
This research was partially funded by AEI/FEDER, grant number PID2019-107258RB-C31 and in part by the Andalusia Economy, Knowledge, Enterprise and University Council under Project P18-FR-4317.