| 一种采用差分时域比较器的12位200KS/s低功耗逐次逼近型模数转换器 |
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| 引用本文： | 杨思宇,张辉,付文汇,易婷,洪志良.一种采用差分时域比较器的12位200KS/s低功耗逐次逼近型模数转换器[J].半导体学报,2011,32(3):035002-6. |
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| 作者姓名： | 杨思宇 张辉 付文汇 易婷 洪志良 |
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| 作者单位： | State Key Laboratory of ASIC and System;Fudan University; |
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| 基金项目： | Project supported by the National Natural Science Foundation of China(No.60876021); the State Key Laboratory Project,China (No.MS20080203) |
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| 摘 要： | A low power 12-bit 200-kS/s SAR ADC is proposed.This features a differential time domain comparator whose offset is cancelled by using a charge pump and a phase frequency detector instead of the preamplifiers usually needed in a high resolution comparator.The proposed ADC is manufactured in 0.18-μm CMOS technology and the measured SNR and SNDR are 62.5 dB and 59.3 dB,respectively,with a power consumption of 72μW at a 200-kS/s sampling rate.The device operates with a 1.8-V power supply and achieves a FOM ...
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| 关 键 词： | ADC 低功率 SAR 时域 差分 CMOS技术 前置放大器 堪萨斯州 |
| 收稿时间： | 7/21/2010 3:14:37 PM |
A low power 12-bit 200-kS/s SAR ADC with a differential time domain comparator |
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| Yang Siyu,Zhang Hui,Fu Wenhui,Yi Ting and Hong Zhiliang.A low power 12-bit 200-kS/s SAR ADC with a differential time domain comparator[J].Chinese Journal of Semiconductors,2011,32(3):035002-6. |
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| Authors: | Yang Siyu Zhang Hui Fu Wenhui Yi Ting and Hong Zhiliang |
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| Affiliation: | Yang Siyu,Zhang Hui,Fu Wenhui,Yi Ting,and Hong Zhiliang State Key Laboratory of ASIC and System,Fudan University,Shanghai 201203,China |
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| Abstract: | |
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| Keywords: | successive approximation register A/D differential time domain comparator |
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