Ultra Low-Power 12-bit SAR ADC for RFID Applications

被引:0
|
作者
De Venuto, Daniela [1 ]
Stikvoort, Eduard [2 ]
Castro, David Tio [2 ]
Ponomarev, Youri [2 ]
机构
[1] DEE Politecn Bari, Bari, Italy
[2] NXP Semicond, Eindhoven, Netherlands
关键词
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The design and first measuring results of an ultra-low power 12bit Successive-Approximation ADC for autonomous multi-sensor systems are presented. The comparator and the DAC are optmised for the lowest power consumption. The proposed design has a power consumption of 0.52 mu W at a bitclock of 50-kHz and of 0.85 mu W at 100-kHz with a 1.2-V supply. As far as we know, the Figure-of-Merit of 66 fJ/convertion-step is the best reported so far. The ADC was realised in the NXP CMOS 0.14 mu m technology with an area of 0.35 mm(2). Only four metal layers were used in order to allow 3D integration of the sensors.
引用
收藏
页码:1071 / 1075
页数:5
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