Differential input range driver for SAR ADC measurement setup
Differential successive approximation register (SAR) of analog to digital converter (ADC) requires two balancing input signals that have same amplitude with 180⁰ out of phase. Otherwise, it performs inaccurately and degrades the performance during ADC testing procedure. Therefore, an implementation...
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Institute of Advanced Engineering and Science
2020
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Online Access: | http://psasir.upm.edu.my/id/eprint/88467/1/ABSTRACT.pdf http://psasir.upm.edu.my/id/eprint/88467/ http://ijeecs.iaescore.com/index.php/IJEECS/article/view/20646 |
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my.upm.eprints.884672021-12-27T03:46:47Z http://psasir.upm.edu.my/id/eprint/88467/ Differential input range driver for SAR ADC measurement setup Yusuf, Siti Idzura Shafie, Suhaidi Abdul Majid, Hasmayadi Abdul Halin, Izhal Differential successive approximation register (SAR) of analog to digital converter (ADC) requires two balancing input signals that have same amplitude with 180⁰ out of phase. Otherwise, it performs inaccurately and degrades the performance during ADC testing procedure. Therefore, an implementation of AD8139 chip single to differential amplifier was chosen as an ADC driver to generate sufficient differential output for the ADC. The chip was placed on a printed circuit board (PCB) to test the functionality as well as the performance of static and dynamic SAR ADC. The result shows that the single-ended input transform into differential voltage outputs. The amplitudes for the amplifier remain equal and is 180° out of phase for DC and AC voltage input signal. Besides, the fabricated 0.18µm CMOS technology of differential 10-bit SAR ADC is capable of digitising full code digital output and perform 9.5-bit effective number of bit (ENOB) from analog input driving by the ADC driver. Institute of Advanced Engineering and Science 2020 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/88467/1/ABSTRACT.pdf Yusuf, Siti Idzura and Shafie, Suhaidi and Abdul Majid, Hasmayadi and Abdul Halin, Izhal (2020) Differential input range driver for SAR ADC measurement setup. Indonesian Journal of Electrical Engineering and Computer Science, 17 (2). 750 - 758. ISSN 2502-4752; ESSN: 2502-4760 http://ijeecs.iaescore.com/index.php/IJEECS/article/view/20646 10.11591/ijeecs.v17.i2.pp750-758 |
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Differential successive approximation register (SAR) of analog to digital converter (ADC) requires two balancing input signals that have same amplitude with 180⁰ out of phase. Otherwise, it performs inaccurately and degrades the performance during ADC testing procedure. Therefore, an implementation of AD8139 chip single to differential amplifier was chosen as an ADC driver to generate sufficient differential output for the ADC. The chip was placed on a printed circuit board (PCB) to test the functionality as well as the performance of static and dynamic SAR ADC. The result shows that the single-ended input transform into differential voltage outputs. The amplitudes for the amplifier remain equal and is 180° out of phase for DC and AC voltage input signal. Besides, the fabricated 0.18µm CMOS technology of differential 10-bit SAR ADC is capable of digitising full code digital output and perform 9.5-bit effective number of bit (ENOB) from analog input driving by the ADC driver. |
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Article |
author |
Yusuf, Siti Idzura Shafie, Suhaidi Abdul Majid, Hasmayadi Abdul Halin, Izhal |
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Yusuf, Siti Idzura Shafie, Suhaidi Abdul Majid, Hasmayadi Abdul Halin, Izhal Differential input range driver for SAR ADC measurement setup |
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Yusuf, Siti Idzura Shafie, Suhaidi Abdul Majid, Hasmayadi Abdul Halin, Izhal |
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Yusuf, Siti Idzura |
title |
Differential input range driver for SAR ADC measurement setup |
title_short |
Differential input range driver for SAR ADC measurement setup |
title_full |
Differential input range driver for SAR ADC measurement setup |
title_fullStr |
Differential input range driver for SAR ADC measurement setup |
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Differential input range driver for SAR ADC measurement setup |
title_sort |
differential input range driver for sar adc measurement setup |
publisher |
Institute of Advanced Engineering and Science |
publishDate |
2020 |
url |
http://psasir.upm.edu.my/id/eprint/88467/1/ABSTRACT.pdf http://psasir.upm.edu.my/id/eprint/88467/ http://ijeecs.iaescore.com/index.php/IJEECS/article/view/20646 |
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