On the optimal current followers for wide-swing current-efficient amplifiers

Files

239_Lopez_Optimal Current.pdf (454 KB)

Date

2018

Authors

González Carvajal, Ramón
Ramírez-Angulo, Jaime

Director

Publisher

IEEE
Acceso abierto / Sarbide irekia
Contribución a congreso / Biltzarrerako ekarpena
Versión aceptada / Onetsi den bertsioa

Project identifier

  • ES/1PE/TEC2016-80396-C2-1-R/
Impacto
4
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cited by count

Abstract

The design of various current followers for the implementation of OTAs with high slew rate and current efficiency is addressed. Two basic current follower topologies are compared, and modifications of both followers to improve these parameters are presented. As an application example, an enhanced recycling folded cascode OTA is proposed. Measurement results of the OTA fabricated in a 0.5 μm CMOS process show a 260% and 180% improvement in SR and GBW, respectively, for the same power consumption.

Description

2018 IEEE International Symposium on Circuits and Systems, ISCAS 2018 (27 May 2018 through 30 May 2018)

Keywords

Amplifiers, Analog integrated circuits, Class AB circuits, CMOS integrated circuits, Current followers

Department

Ingeniería Eléctrica, Electrónica y de Comunicación / Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren

Faculty/School

Degree

Doctorate program

URI

https://academica-e.unavarra.es/handle/2454/33479
https://doi.org/10.1109/ISCAS.2018.8351610

item.page.cita

M. P. Garde, A. Lopez-Martin, R. G. Carvajal and J. Ramírez-Angulo, "Folded Cascode OTA with 5540 MHzpF/mA FoM," 2018 IEEE International Symposium on Circuits and Systems (ISCAS), Florence, 2018, pp. 1-5. doi: 10.1109/ISCAS.2018.8351108

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©2018 IEEE

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