Low-Power Highly Robust Resistance-to-Period Converter

Author:

Álvarez-Simón Luis,Gómez-Ramírez Emmanuel,Sanz-Pascual María

Abstract

This paper presents a novel structure of Resistance- to-Period (R-T) Converter highly robust to supply and temperature variations. Robustness is achieved by using the ratiometric approach so that complex circuits or high accuracy voltage references are not necessary. To prove the proposed architecture of R-T converter, a prototype was implemented in a 0.18 μ m CMOS process with a single supply voltage of 1.8 V and without any stable reference voltage. Experimental results show a maximum ±1.5% output signal variation for ±10% supply voltage variation and in a 3–95 ° C temperature range.

Funder

Consejo Nacional de Ciencia y Tecnología

Publisher

MDPI AG

Subject

Electrical and Electronic Engineering,Biochemistry,Instrumentation,Atomic and Molecular Physics, and Optics,Analytical Chemistry

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Low‐power temperature‐independent CMOS measurement circuits for resistive gas sensors;International Journal of Circuit Theory and Applications;2023-02-11

2. Toward a Gas Sensor Interface Circuit—A Review;IEEE Sensors Journal;2022-10-01

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