| A high-performance,low-power ∑△ ADC for digital audio applications |
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| 引用本文： | 罗豪,韩雁,张泽松,韩晓霞,马绍宇,应鹏,朱大中.A high-performance,low-power ∑△ ADC for digital audio applications[J].半导体学报,2010(5):114-120. |
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| 作者姓名： | 罗豪 韩雁 张泽松 韩晓霞 马绍宇 应鹏 朱大中 |
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| 作者单位： | Institute;Microelectronics;Photoelectronics;Zhejiang;University;Department;Electronic;Engineering;City;Hong;Kong; |
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| 基金项目： | The authors would like to thank SMIC for their kind support of the chip fabrication. |
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| 摘 要： | A high-performance low-powerΣΔanalog-to-digital converter(ADC) for digital audio applications is described.It consists of a 2-1 cascadedΣΔmodulator and a decimation filter.Various design optimizations are implemented in the system design,circuit implementation and layout design,including a high-overload-level coefficient-optimized modulator architecture,a power-efficient class A/AB operational transconductance amplifier,as well as a multi-stage decimation filter conserving area and power consumption.The ...
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| 关 键 词： | 数字音频 ADC 低功耗 性能 应用 抽取滤波器 优化设计 数字转换器 |
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