An Ultra Low Power Dissipation Inverter-based Incremental Sigma-delta ADC

被引：3
|
作者：
Liu, Y. T. [1 ]
Chen, J. [1 ]
Chen, M. [1 ]
机构：
[1] Chinese Acad Sci, Inst Microelect, Beijing 100029, Peoples R China
来源：
2012 INTERNATIONAL WORKSHOP ON INFORMATION AND ELECTRONICS ENGINEERING | 2012年 / 29卷
关键词：
Low power dissipation; Incremental; Inverter-based; ADC;
D O I：
10.1016/j.proeng.2012.01.260
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
An ultra low power dissipation incremental sigma-delta (Sigma Delta) ADC is presented in this paper. The operational amplifier is replaced by a simple inverter, which reduces the power dissipation and save areas considerably. A second-order cascaded integrator, which is composed of a ripple counter and an accumulator is used as digital filter. Simulated results indicate that the Sigma Delta can achieve 12ibt resolution with only 92.8uW power dissipation in 1.8V and 1.2V analog and digital power supply respectively. (C) 2011 Published by Elsevier Ltd.
引用
收藏
页码：2050 / 2054
页数：5
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