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LSB split capacitor SAR ADC with 99.2% switching energy reduction

机译:LSB分离电容SAR ADC,具有99.2%的开关能量减少

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摘要

A highly energy efficient capacitor switching technique in a successive approximation register (SAR) analog to digital converter (ADC) for biomedical applications is presented. The proposed scheme based on new switching method, which combine the LSB split capacitive technique and monotonic method can reduce the average switching energy by 99.2% compared to the conventional SAR architecture. Besides reducing energy in each comparison cycle, the suggested method also achieves an 89 reduction in total capacitance used in the digital to analog converter over the conventional one with the same resolution. The proposed ADC can find application in biomedical engineering systems and other fields which low power consumption is needed.
机译:提出了一种用于生物医学应用的连续近似寄存器(SAR)模数转换器(ADC)中的高度节能电容器切换技术。 基于新开关方法的提出方案,与传统的SAR架构相比,基于新的开关方法的基于新切换方法,可以将平均切换能量降低99.2%。 除了在每个比较周期中减少能量之外,建议的方法还通过具有相同分辨率的传统方法实现了数字到模拟转换器中使用的总电容的89。 所提出的ADC可以在生物医学工程系统中找到应用程序,以及需要低功耗的领域。

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