Design of fluxgate sensor interface ASIC

DONG Chang-chun; CHEN Wei-ping; ZHOU Zhi-ping

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Design of fluxgate sensor interface ASIC

Article | 更新时间：2020-08-12

- Design of fluxgate sensor interface ASIC
- Optics and Precision Engineering Vol. 17, Issue 7, Pages: 1651-1655(2009)
- 作者机构：
  
  1. 微系统与微结构制造教育部重点实验室,黑龙江哈尔滨,150001
  2. 哈尔滨工业大学微电子技术与科学系,黑龙江哈尔滨,150001
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP212.13
- Received：20 January 2009，
  
  Revised：30 April 2009，
  
  Published Online：25 July 2009，
  
  Published：25 July 2009
- 稿件说明：
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董长春, 陈伟平, 周治平. 磁通门传感器接口ASIC设计[J]. 光学精密工程, 2009,17(7): 1651-1655

DONG Chang-chun, CHEN Wei-ping, ZHOU Zhi-ping. Design of fluxgate sensor interface ASIC[J]. Editorial Office of Optics and Precision Engineering, 2009,17(7): 1651-1655
董长春, 陈伟平, 周治平. 磁通门传感器接口ASIC设计[J]. 光学精密工程, 2009,17(7): 1651-1655 DOI：

DONG Chang-chun, CHEN Wei-ping, ZHOU Zhi-ping. Design of fluxgate sensor interface ASIC[J]. Editorial Office of Optics and Precision Engineering, 2009,17(7): 1651-1655 DOI：

摘要

基于磁通门传感器的二次谐波选择法原理

采用0.6 m

N-well标准模拟CMOS工艺

设计并实现了磁通门传感器专用集成电路接口(ASIC)。这种集成磁通门接口电路能够减小传统分立元件接口电路的体积

降低系统能耗

满足航天、军事等领域的微型化、低功耗需求。在分析磁通门传感器结构和特点的基础上

完成了激励电路及检测电路的设计

芯片面积为2.0 mm2.0 mm

并采用HSPICE对电路各部分功能及其指标进行验证。对与微型磁通门探头集成的电路系统进行了测试

结果表明

当测量范围为90 T时

灵敏度可达16.5 mV/T;在5V电源电压下

其功耗为35 mW。

Abstract

A fluxgate sensor interface

Application Specific Intergrate Circuits(ASIC) based on the Complementary Metal Oxide Semiconductor(CMOS)

is designed and manufactured by a 0.6 m DPDM P-sub brief process and the second-harmonic detection of output voltage. This kind of integrated interface circuit of the fluxgate can decrease the dimension of traditional discrete components

and can reduce the power consumption to meet the requirements for miniaturization and low-power consumption in aviation and military domains. In consideration of the structure and specification of the fluxgate sensor

the excitation and pick-up circuits with the size of 2 mm2 mm for the sensor are proposed

and the functions and parameters of all parts of the circuits are verified by a HSPICE. The experiment results of the circuit system with the fluxgate sensor show that the circuit can offer a sensitivity of 16.5 V/nT and the linear ranges of 90 T. With a voltage supply of 5 V

the total power consumption of the circuit is as low as 35 mW.

关键词

Keywords

references

RIPKA P. Advances in fluxgate sensors[J]. Sensors and Actuators A,2003,106:8-14.[2] CRUZ J C, TRUJILLO H. Design of a fourth harmonic fluxgate magnetometer[J]. Sensors and Actuators A,1999,78:71-73.[3] AND`O B, ASCIA A, BAGLIO S, et al.. Towards an optimal readout of a residence times difference (RTD) Fluxgate magnetometer[J]. Sensors and Actuators A, 2008,142:73-79.[4] PREDRAG M, DRLJA C, PAVEL K, et al.. Single core fully integrated CMOS micro-fluxgate magnetometer[J]. Sensors and Actuators A,2004,110:236-241. [5] BRAUER P, RISBO T, MERAYO J M G, et al.. Fluxgate sensor for the vector magnetometer onboard the 'Astrid-2' satellite[J]. Sensors and Actuators A, 2000,81:184-188.[6] BASCHIROTTO A, BORGHETTI F, DALLAGO E. Fluxgate magnetic sensor and front-end circuitry in an integrated microsystem[J]. Sensors and Actuators A,2006,132: 90-97.[7] GOTTFRIED-GOTTFRIED R, BUDDE W, JAHNE R,et al.. A miniaturized magnetic field sensor system consisting of a planar fluxgate sensor readout circuits[J]. Sensors and Actuators A,1996,54:443-447.

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Related Institution

Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences

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