| 一种高分辨率自校准单积分型A/D转换器 |
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| 引用本文： | 刘浩瑞,王百鸣,李昆华,夏礼胜,薛超杰.一种高分辨率自校准单积分型A/D转换器[J].微电子学,2009,39(4). |
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| 作者姓名： | 刘浩瑞 王百鸣 李昆华 夏礼胜 薛超杰 |
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| 作者单位： | 1. 深圳大学,光电子学研究所,广东,深圳,518060
2. 深圳大学,信息工程学院,EDA技术中心,广东,深圳,518060 |
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| 基金项目： | 国家自然科学基金重大研究计划资助项目 |
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| 摘 要： | 提出一种具有自校准功能的单积分型高精度A/D转换器.分析了电路原理和电路结构,阐述了如何通过自校准功能提高积分型A/D转换器的性能;给出了A/D转换器结构和测试波形.测试结果表明,设计的A/D转换器采样率为3.3 kSPS,分辨率为14位,相对精度可达0.01%.
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| 关 键 词： | A/D转换器 自校准 单积分 |
A High-Resolution Self-Calibrated Single Slope Integration ADC |
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| LIU Haorui,WANG Baiming,LI Kunhua,XIA Lisheng,XUE Chaojie.A High-Resolution Self-Calibrated Single Slope Integration ADC[J].Microelectronics,2009,39(4). |
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| Authors: | LIU Haorui WANG Baiming LI Kunhua XIA Lisheng XUE Chaojie |
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| Affiliation: | 1.Institute of Optoelectronics;Shenzhen University;Shenzhen;Guangdong 518060;P.R.China;2.EDA Technology Center;College of Information Engineering;P.R.China |
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| Abstract: | A high-resolution self-calibrated single slope integration ADC was presented.Operational principle of the circuit and its structure were analyzed.Improvement on the performance of integration ADC with self-calibration method was described in detail.The circuit structure of the A/D converter was presented.Test results showed that the A/D converter had a sampling rate of 3.3 kSPS and a resolution of 14 bits with a relative accuracy of 0.01%. |
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| Keywords: | A/D converter Self-calibration Single-slope integration |
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