Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/342334
Type: Artigo
Title: Delta-Sigma modulated output temperature sensor for 1V voltage supply
Author: Ramirez, J.L.
Tiol, J.P.
Deotti, D.
Fruett, F.
Abstract: This work presents a temperature sensor with a digital Delta-Sigma modulated output designed to work at a supply voltage as low as 1V to operate in a temperature range from-20°C to +125°C. A bandgap current reference circuit generates a current proportional to the temperature (PTAT) and a reference current. Both currents are integrated in a capacitor within a Delta-Sigma modulator, resulting in a digital output whose average value is proportional to the temperature. The sensor was designed using the 180nm TSMC technology and occupies an area of 285μm×190μm. Simulations showed a maximum nonlin-earity of 0.31% and a duty cycle variation of 0.531% per Cel-sius. The sensor power consumption is 120μW.
Subject: Sensor de temperatura
Country: Colômbia
Editor: Institute of Electrical and Electronics Engineers
Rights: Fechado
Identifier DOI: 10.1109/LASCAS.2019.8667536
Address: https://ieeexplore.ieee.org/document/8667536
Date Issue: 2019
Appears in Collections:FEEC - Artigos e Outros Documentos

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