A temperature-compensated differential VFC in 1.8 V-0.18 μm CMOS

M. R. Valero; S. Celma; B. Calvo; N. Medrano

doi:10.1016/j.proeng.2010.09.049

A temperature-compensated differential VFC in 1.8 V-0.18 μm CMOS

M. R. Valero, S. Celma, B. Calvo, N. Medrano

Department of Electronic & Electrical Engineering

University of Zaragoza

Research output: Contribution to journal › Article › peer-review

Abstract

This paper presents a new CMOS differential voltage-to-frequency converter (VFC) which targets front-end sensor interfacing in wireless sensor network applications. The proposed VFC, designed in a low-cost 0.18μm CMOS technology supplied at 1.8V, shows 0-1MHz output frequency for 01.2V differential input operation with nonlinearity error less than 0.4% and power consumption less than 0.4 mW. A temperature compensation technique keeps the error below 5.3% over all the frequency range for a (-20°C, +120°C) span.

Original language	English
Pages (from-to)	66-69
Number of pages	4
Journal	Procedia Engineering
Volume	5
DOIs	https://doi.org/10.1016/j.proeng.2010.09.049
Publication status	Published - 1 Jan 2010

Keywords

Low-voltage low-power CMOS design
Quasi-digital sensors
Smart sensors
Voltage-to-frequency converter
WSN

ASJC Scopus subject areas

General Engineering

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10.1016/j.proeng.2010.09.049Licence: CC BY-NC-ND

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title = "A temperature-compensated differential VFC in 1.8 V-0.18 μm CMOS",

abstract = "This paper presents a new CMOS differential voltage-to-frequency converter (VFC) which targets front-end sensor interfacing in wireless sensor network applications. The proposed VFC, designed in a low-cost 0.18μm CMOS technology supplied at 1.8V, shows 0-1MHz output frequency for 01.2V differential input operation with nonlinearity error less than 0.4\% and power consumption less than 0.4 mW. A temperature compensation technique keeps the error below 5.3\% over all the frequency range for a (-20°C, +120°C) span.",

keywords = "Low-voltage low-power CMOS design, Quasi-digital sensors, Smart sensors, Voltage-to-frequency converter, WSN",

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AU - Celma, S.

AU - Calvo, B.

AU - Medrano, N.

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N2 - This paper presents a new CMOS differential voltage-to-frequency converter (VFC) which targets front-end sensor interfacing in wireless sensor network applications. The proposed VFC, designed in a low-cost 0.18μm CMOS technology supplied at 1.8V, shows 0-1MHz output frequency for 01.2V differential input operation with nonlinearity error less than 0.4% and power consumption less than 0.4 mW. A temperature compensation technique keeps the error below 5.3% over all the frequency range for a (-20°C, +120°C) span.

AB - This paper presents a new CMOS differential voltage-to-frequency converter (VFC) which targets front-end sensor interfacing in wireless sensor network applications. The proposed VFC, designed in a low-cost 0.18μm CMOS technology supplied at 1.8V, shows 0-1MHz output frequency for 01.2V differential input operation with nonlinearity error less than 0.4% and power consumption less than 0.4 mW. A temperature compensation technique keeps the error below 5.3% over all the frequency range for a (-20°C, +120°C) span.

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A temperature-compensated differential VFC in 1.8 V-0.18 μm CMOS

Abstract

Keywords

ASJC Scopus subject areas

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