Título:
On the design of very small transconductance OTAs with reduced input offset
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Autor:
Arnaud, Alfredo
Fiorelli, Rafaella
Galup Montoro, Carlos
Fiorelli, Rafaella
Galup Montoro, Carlos
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Tipo de documento:
Preprint
Editor:
Palabras clave:
Analog design
CMOS
Low-power
CMOS
Low-power
Descriptores:
ELECTRÓNICA
Año de publicación:
2005
Contenido:
Resumen:
In this paper it will be demonstrated, from the theory and measurements, that series-parallel (SP) mirrors allow building current copiers with copy factors of thousands, without degrading mismatch or noise performance. SP current-division will be then employed to design OTAs ranging from a few pS to a few nS, with up to 1V linear range, consuming in the order of 100nW, and with a reduced area. An integrated 3.3s time-constant integrator will also be presented. One-by-one several design non-idealities will be revised: linearity, offset, noise, leakages; as well as layout techniques. A final analysis concludes that SP-association of transistors allows to build very efficient transconductors, for demanding applications in the field of implantable electronics among others.
Descripción:
Trabajo presentado en el 18th Symposium on Integrated Circuits and Systems Design, Florianópolis, Brasil
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Editorial:
SBCCI
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Citación:
Arnaud, A., Fiorelli, R, Galup Montoro, C. On the design of very small transconductance OTAs with reduced input offset [Preprint] Publicado en 18th Symposium on Integrated Circuits and Systems Design, Florianópolis, Brasil. Doi 10.1109/SBCCI.2005.4286825
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Departamento académico:
Electrónica
Grupo de investigación:
Microelectrónica
Licencia:
Licencia Creative Commons Atribución – No Comercial – Sin Derivadas (CC - By-NC-ND)
Colecciones:
| Ficheros | Descripción | Tamaño | Formato | ||
|---|---|---|---|---|---|
| AFG05.pdf | — | 267.88 KB | Adobe PDF |