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| Título: | Low-voltage low-noise high-CMRR biopotential integrated preamplifier. |
| Autor: | Cabrera, Carolina Caballero, Renzo Costa-Rauschert, María Cecilia Rossi, Conrado Oreggioni, Julián |
| Tipo: | Preprint |
| Palabras clave: | Transconductance, Transistors, Topology, Power demand, Transfer functions, Prosthetics, Low voltage, Analog integrated circuits, Low-power, Neural amplifier, Differential difference amplifier, Bandpass filter, Sub-threshold design, High CMRR |
| Fecha de publicación: | 2021 |
| Resumen: | This work presents a novel amplifier architecture which is the input stage of an analog front end targeting the acquisition of biological signals with low voltage supply (1.2 V), low noise, high Common Mode Rejection Ratio (CMRR) and high current efficiency. A prototype, designed and fabricated in a 130 nm CMOS technology, was characterized by simulations and measurements. Our preamplifier presents one of the lowest noise levels reported up-to-date (over the considered bandwidth) while presenting a very competitive performance in other important features. Results from measurements show a bandwidth from 20 Hz to 11 kHz, a CMRR higher than 70 dB, an equivalent input-referred noise as low as 1.3 μVrms . The Noise Efficiency Factor (NEF) at 2.5 and Power Efficiency Factor (PEF) at 7.5 are remarkable results. |
| Descripción: | Este trabajo fue parcialmente financiado por CSIC (Comisión Sectorial de Investigación Científica, Uruguay), ANII (Agencia Nacional de Investigación e Innovación, Uruguay) y CAP (Comisión Académica de Posgrado, Uruguay). |
| Editorial: | IEEE |
| EN: | IEEE Transactions on Circuits and Systems I : Regular Papers, Volume 68, Number 8, p. 3232-3241, Aug 2021. |
| Citación: | Cabrera, C., Caballero, R., Costa-Rauschert, M. y otros. Low-voltage low-noise high-CMRR biopotential integrated preamplifier [Preprint]. Publicado en : IEEE Transactions on Circuits and Systems I : Regular Papers, vol. 68, no 8, Aug. 2021, pp. 3232-3241, DOI: 10.1109/TCSI.2020.3035357. |
| Licencia: | Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0) |
| Aparece en las colecciones: | Publicaciones académicas y científicas - Instituto de Ingeniería Eléctrica |
Ficheros en este ítem:
| Fichero | Descripción | Tamaño | Formato | ||
|---|---|---|---|---|---|
| CCCRO21.pdf | Preprint | 6,27 MB | Adobe PDF | Visualizar/Abrir |
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