| 一种SFDR为83.5dB的14位100兆流水线模数转换器 |
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| 引用本文： | 赵南,魏琦,杨华中,汪蕙. 一种SFDR为83.5dB的14位100兆流水线模数转换器[J]. 半导体学报, 2014, 35(9): 095009-8 |
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| 作者姓名： | 赵南 魏琦 杨华中 汪蕙 |
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| 基金项目： | 国家自然科学基金;国家高技术研究发展计划（863计划） |
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| 摘 要： | This paper demonstrates a 14-bit 100 MS/s CMOS pipelined analog-to-digital converter （ADC）. The nonlinearity model for bootstrapped switches is established to optimize the design parameters of bootstrapped switches, and the calculations based on this model agree well with the measurement results. In order to achieve high linearity, a gradient-mismatch cancelling technique is proposed, which eliminates the first order gradient error of sampling capacitors by combining arrangement of reference control signals and capacitor layout. Fabricated in a 0.18-μm CMOS technology, this ADC occupies 10.16-mm2 area. With statistics-based background calibration of finite opamp gain in the first stage, the ADC achieves 83.5-dB spurious free dynamic range and 63.7-dB signalto-noise-and distortion ratio respectively, and consumes 393 mW power with a supply voltage of 2 V.
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| 关 键 词： | CMOS技术 动态范围 ADC MS 杂散 dB 流水线 非线性模型 |
A 14-bit 100-MS/s CMOS pipelined ADC featuring 83.5-dB SFDR |
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| Zhao Nan,Wei Qi,Yang Huazhong and Wang Hui. A 14-bit 100-MS/s CMOS pipelined ADC featuring 83.5-dB SFDR[J]. Chinese Journal of Semiconductors, 2014, 35(9): 095009-8 |
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| Authors: | Zhao Nan Wei Qi Yang Huazhong Wang Hui |
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| Affiliation: | Division of Circuits and Systems, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China;Division of Circuits and Systems, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China;Division of Circuits and Systems, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China;Division of Circuits and Systems, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China |
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| Abstract: | pipelined ADC bootstrapped switch gradient error pseudo-random sequence |
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| Keywords: | pipelined ADC bootstrapped switch gradient error pseudo-random sequence |
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