<abstract xmlns="http://www.w3.org/1999/xhtml"><p> A cost-effective method for resolution increase of a two-stage piecewise linear analog-to-digital converter used for sensor linearization is proposed in this paper. In both conversion stages flash analog-to-digital converters are employed. Resolution increase by one bit per conversion stage is performed by introducing one additional comparator in front of each of two flash analog-to-digital converters, while the converters’ resolutions remain the same. As a result, the number of employed comparators, as well as the circuit complexity and the power consumption originating from employed comparators are for almost 50 % lower in comparison to the same parameters referring to the linearization circuit of the conventional design and of the same resolution. Since the number of employed comparators is significantly reduced according to the proposed method, special modifications of the linearization circuit are needed in order to properly adjust reference voltages of employed comparators.</p></abstract>

A cost-effective method for resolution increase of a two-stage piecewise linear analog-to-digital converter used for sensor linearization is proposed in this paper. In both conversion stages flash analog-to-digital converters are employed. Resolution increase by one bit per conversion stage is performed by introducing one additional comparator in front of each of two flash analog-to-digital converters, while the converters’ resolutions remain the same. As a result, the number of employed comparators, as well as the circuit complexity and the power consumption originating from employed comparators are for almost 50 % lower in comparison to the same parameters referring to the linearization circuit of the conventional design and of the same resolution. Since the number of employed comparators is significantly reduced according to the proposed method, special modifications of the linearization circuit are needed in order to properly adjust reference voltages of employed comparators.

A Cost-effective Method for Resolution Increase of the Twostage Piecewise Linear ADC Used for Sensor Linearization

Department of Measurements, Faculty of Electronic Engineering, University of Niš, Aleksandra Medvedeva, 14, 18000, Niš, Serbia

Measurement Science Review

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

A cost-effective method for resolution increase of a two-stage piecewise linear analog-to-digital converter used for sensor linearization is proposed in this...

A Cost-effective Method for Resolution Increase of the Twostage Piecewise Linear ADC Used for Sensor Linearization

Published Online: Feb 19, 2016

Page range: 28 - 34

Received: Sep 26, 2015

Accepted: Jan 28, 2016

DOI: https://doi.org/10.1515/msr-2016-0005

Keywords
Analog-digital conversion, comparator count, resolution increase, sensor linearization

© by Jelena Jovanović

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

A Cost-effective Method for Resolution Increase of the Twostage Piecewise Linear ADC Used for Sensor Linearization

Published Online: Feb 19, 2016

Page range: 28 - 34

Received: Sep 26, 2015

Accepted: Jan 28, 2016

DOI: https://doi.org/10.1515/msr-2016-0005

KeywordsAnalog-digital conversion, comparator count, resolution increase, sensor linearization

© by Jelena Jovanović

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
Analog-digital conversion, comparator count, resolution increase, sensor linearization