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Sina Mahdavi, Arefeh Soltani, Maryam Poreh, Shima Tayyeb Ghasemi & Tohid Moradi Khanshan

An Ultra High speed Low power Low settling time error and wide dynamic range voltage Continuous-time Common-Mode Feedback Circuit in 0.18µm CMOS

(Volume 85 - Année 2016 — Actes de colloques — Special edition)
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Abstract

A novel method to design continuous-time common-mode feedback circuit is presented in this paper. The main purposes of the proposed idea are increasing the speed and decreasing the settling time error of the common-mode feedback circuit, besides it has a wide dynamic rang voltage to set the output in desired value as well. As MATLAB simulation result shows the proposed circuit can adjust the output in reliable value by applying the reference voltage (Vref) from 0.7 to 1.3 volt very well. Also, the mentioned structure is a proper choice for low voltage application too. The power consumption of the proposed common-mode feedback circuit is just 200µW with power supply of 1.8 volts, and 0.5pF capacitor load is applied at the output nodes of the amplifier. Meanwhile, the proposed circuit is simulated in whole process corner too. Simulation results are performed using the BSIM3 model of a 0.18µm CMOS technology and MATLAB software.

Keywords : common-mode feedback, folded cascode, high speed, low voltage

Pour citer cet article

Sina Mahdavi, Arefeh Soltani, Maryam Poreh, Shima Tayyeb Ghasemi & Tohid Moradi Khanshan, «An Ultra High speed Low power Low settling time error and wide dynamic range voltage Continuous-time Common-Mode Feedback Circuit in 0.18µm CMOS», Bulletin de la Société Royale des Sciences de Liège [En ligne], Volume 85 - Année 2016, Actes de colloques, Special edition, 1457 - 1464 URL : https://popups.uliege.be/0037-9565/index.php?id=6168.

A propos de : Sina Mahdavi

Department of Microelectronic Research Urmia Graduate Institute Urmia, Iran, m.s.mahdavi@urumi.ac.ir

A propos de : Arefeh Soltani

Department of Microelectronic Research Urmia Graduate Institute Urmia, Iran, m.a.soltani@urumi.ac.ir

A propos de : Maryam Poreh

Department of Microelectronic Research Urmia Graduate Institute Urmia, Iran, m.m.poreh@urumi.ac.ir

A propos de : Shima Tayyeb Ghasemi

Department of Microelectronic Research Urmia Graduate Institute Urmia, Iran, m.s.tayyebghasemi@urumi.ac.ir

A propos de : Tohid Moradi Khanshan

Department of Microelectronic Research Urmia university Urmia, Iran, t.moradi@urmia.ac.ir