一个低功耗的数字到模拟转换器的SAR adc使用一个参考电压

2015 23rd Iranian Conference on Electrical Engineering Pub Date : 2015-05-10 DOI:10.1109/IRANIANCEE.2015.7146378

Seyed Behnam Yazdani, Ata Khorami, M. Sharifkhani

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引用次数: 2

摘要

提出了一种用于逐次逼近寄存器(SAR)数模转换器(DAC)的新型低功耗电容结构及其开关方案。与传统的二值加权DAC相比，该方法可降低93%的功耗和50%的面积。此外，仅使用一个参考电压，避免了共模电压(Vcm)非理想性对精度的影响。

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A low-power digital to analog converter for SAR ADCs using one reference voltage

A new low-power capacitive structure and its switching scheme for Successive Approximation Register (SAR) Digital to Analog Converter (DAC) is presented. The proposed method reduces power consumption by 93% and area by 50% compared to the conventional binary-weighted DAC. Moreover, only one reference voltage is used to avoid the effect of common mode voltage (Vcm) non-idealities on precision.

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2015 23rd Iranian Conference on Electrical Engineering

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