用于生物传感器SOC低功耗应用的嵌入式CMOS CR SAR ADC设计

Lungui Zhong, Haigang Yang, Chong Zhang
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引用次数: 18

摘要

提出了一种基于0.35 μ m标准CMOS工艺设计的电荷再分配逐次逼近寄存器ADC。总功耗仅为4.6 mW,实现了10位的分辨率。ADC最大DNL值小于0.4 LSB,最大INL值小于0.5 LSB,最大ENOB值为9.9 bits。它可以与微传感器集成,形成高灵敏度,可靠和智能的测量设备。
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Design of an embedded CMOS CR SAR ADC for low power applications in bio-sensor SOC
This paper presents a Charge Redistribution Successive Approximation Register ADC designed in a 0.35-mum standard CMOS process. The total power consumption is only 4.6 mW, and a resolution of 10 bits is achieved. The ADC maintains a maximum DNL of less than 0.4 LSB, an INL less than 0.5 LSB, and an ENOB of 9.9 bits. It can be integrated with micro-sensors to monolithically form highly sensitive, reliable and intelligent measurement devices.
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