A Dual-Slope ADC for Read-out Circuit of Magnetic Sensor

ZHANG Ren-wei; LIU ke; DU Zhan-kun; YAN Yue-peng

Chinese

您当前的位置：

首页 >

文章列表页 >

A Dual-Slope ADC for Read-out Circuit of Magnetic Sensor

更新时间：2026-09-04

- A Dual-Slope ADC for Read-out Circuit of Magnetic Sensor
- Vol. 32, Issue 3, Pages: 11-14(2015)
- 作者机构：
  
  中国科学院机构微电子技术研究所,北京,100029
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2015
- 稿件说明：
移动端阅览
张任伟, 刘珂, 杜占坤, 阎跃鹏. 一种用于磁传感器读出电路的双斜率ADC[J]. 微电子学与计算机, 2015, 32(3): 11-14.

ZHANG Ren-wei, LIU ke, DU Zhan-kun, et al. A Dual-Slope ADC for Read-out Circuit of Magnetic Sensor[J]. 2015, 32(3): 11-14.
张任伟, 刘珂, 杜占坤, 阎跃鹏. 一种用于磁传感器读出电路的双斜率ADC[J]. 微电子学与计算机, 2015, 32(3): 11-14. DOI：

ZHANG Ren-wei, LIU ke, DU Zhan-kun, et al. A Dual-Slope ADC for Read-out Circuit of Magnetic Sensor[J]. 2015, 32(3): 11-14. DOI：

摘要

基于集成片上双斜率ADC结构简单

适用于低频小信号的转换的特点.提出了一种适合于磁场传感器读出电路的可编程双斜率ADC

能够将磁传感器输出的低频模拟小信号转换为高精度的数字信号.针对不同的应用对于转换时间和转换精度的不同要求

可对ADC的精度进行编程配置

有利于提高电路的工作效率.ADC的积分器部分采用差分型开关电容结构以减小芯片面积

并且对积分方式进行了改进

通过叠加积分增加正积分的积分斜率来提高ADC的有效位数.仿真结果显示

ADC的有效位数为11.96 bit

在3.3 V工作电压下

功耗仅为1.55 mW

满足磁传感器小信号读出电路的要求.

Abstract

The Dual-Slope ADC integrated on chip with has a simple configuration and is suitable to small signal conversion with a low frequency. Based on these characteristics

a programmable Dual-Slope ADC is proposed to convert analog small signal of Magnetic Sensor to digital signal with high-precision. The conversion time and accuracy can be changed freely by different requirement in different application and the resolution of ADC can be programmed

which is beneficial for improving efficiency. In the work

a difference switched-capacitor integrator is used to decrease the area of chip. Besides

the method of integral has been improved. The slope of positive integral can be increased by multiplicity-integral

so the precision of transfer would be raised. Finally

the result of simulation show that the ADC proposed in this paper has a ENOD of 11.96bits and the power consumption with a 3.3V supply is only 1.55mW

which is suitable to detect the small signal output by magnetic sensor in read-out circuit.

关键词

Keywords

references

Views

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Research on assembly action recognition based on MSS-YOLO-MPHands fusion architecture

A feature-oriented context understanding and slice analysis network for tuberculosis detection

Monte carlo analysis of V-layout trench SiC neutron detector

Research on the design of blockchain-based AI-generated content traceability framework

Design of ultra-low power real-time clock circuits

Related Author

No data

Related Institution

No data

AI问答

Postal code：100079
Tel：（010）53879206 Email：tmw@bjxintong.com.cn
Technical support is provided by Beijing Founder electronics co., LTD 京ICP备09082226号-64 京公网安备11010602201714号
It is recommended to read the content of this site in Chrome&IE9+. Please switch to extreme mode in browser 360.
Cookies We use cookies to help provide and enhance our service and tailor content. By continuing, you agree to the use of cookies.

⁰