A DUAL-BIT LOW-OFFSET SIGMA-DELTA ANALOG-TO-DIGITAL CONVERTER FOR INTEGRATED SMART SENSORS

被引：2
|
作者：
RIEDIJK, FR
RADEMAKER, G
HUIJSING, JH
机构：
[1] Electronic Instrumentation Laboratory, Department of Electrical Engineering, Delft University of Technology, 2600 GA Delft
来源：
SENSORS AND ACTUATORS A-PHYSICAL | 1993年 / 36卷 / 02期
关键词：
D O I：
10.1016/0924-4247(93)85010-D
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A signal-conditioning circuit is presented which converts the small signal of a thermal-flow sensor into a digital signal. A balanced chopper with bipolar transistors combined with a class B sigma delta converter keeps the offset beneath 10 muV. Although the circuit has been designed especially for a thermal-flow sensor with thermopiles, it is well suited for other small-signal applications.
引用
收藏
页码：157 / 164
页数：8
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