陕西艾瑞科 ER-MG2-50/100 mems gyroscope

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  • ER-MG2-50/100

  • mems gyroscope

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  • Ericco 艾瑞科惯性系统

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Introduction

ER-MG2-50/100, a high performance MEMS gyro sensor with 0.01-0.02°/hr bias instability and 0.0025-0.005°/√hr angular random walk, is specially designed for north seeking, pointing, initial alignment in logging tools/gyro tools, mining/drilling equipment, weapon/UAV launch systems, satellite antenna, target tracking system and so on. Thanks to the high performance, ER-MG2-50/100 can also used in high precision attitude measuring, stabilization control, positioning, navigating in navigation grade MEMS IMU/INS, land surveying/land mobile mapping system, railway train system, etc. So ER-MG2-50/100 is a best, cost effective, robust, reliable, small size, light weight, low power alternative of medium-low navigation grade FOG DTG with north seeking, precision attitude measuring , inertial positioning and navigation function.

The ER-MG2-50/100 High Performance North Seeking Gyroscope is a single-axis MEMS angular rate sensor (gyroscope) capable of measuring angular velocity up to a maximum of ±100°/s with digital output compliant to SPI slave mode 3 protocol. Angular rate data is presented as a 24-bit word.

The ER-MG2-50/100 is intended for north seeking applications. As an advanced, differential sensor design rejects the influence of linear acceleration, enabling ER-MG2-50/100 to operate in exceedingly harsh environments where shock and vibration are present.The ER-MG2-50/100 is available in a hermetically sealed ceramic LCC surface mount package, and is capable of operating at 5V supply and a wide temperature range (−40°C to +85°C).


Features

Proven and robust silicon MEMS gyro

0.01-0.02°/hr bias instability

0.0025-0.005°/√hr angular random walk

Digital output (SPI slave)

5V operation (4.75~5.25V supply)Low power consumption (35 mA)

High shock and vibration rejectionHermetically sealed ceramic LCC surface mount package (11x11x2mm)

Integrated temperature sensor

RoHS compliant


Application areas

North seeking in logging tools/gyro tools

Pointing, steering and guiding in advanced mining/drilling equipment

Initial alignment in weapon/UAV launch systems

Direction pointing and tracking in satellite antenna, target tracking systems

Guidance and navigation in navigation grade MEMS weapon system

Orientating and positioning in railway train system

Precision platform attitude measuring and controls

Precision attitude, position measuring in navigation grade MEMS IMU/INS

North finding and positioning in land surveying/land mobile mapping system

Petroleum explorationBridge, tall building, tower, dam monitoring

Rock and soil monitoring

Mining


Specifications of North Seeking Gyroscope

ParametersER-MG2-50ER-MG2-100Unit
Range50100deg/s
Resolution2424bits
Data rate2k2kHz
Group delay5020ms
Bandwidth (-3dB)1212Hz
Scale factor at 25°C16000080000lsb/deg/s
Scale factor repeatability (1σ)<50<50ppm
Scale factor vs temperature (1σ)300300ppm
Scale factor non-linearity (1σ)<200<200ppm
Bias instability<0.01<0.02deg/hr
Bias stability (1σ 10s)<0.05<0.1deg/hr
Bias stability (1σ 1s)<0.15<0.3deg/hr
Bias repeatability (1σ)<0.1<0.1deg/hr
Angular random walk<0.0025<0.005°/√h
Bias error over temperature (1σ)33deg/hr
Bias temperature variations, calibrated (1σ)<0.1<0.3deg/hr
Noise peak to peak±0.002±0.003deg/s
G-Sensitivity<0.5<1°/hr/g
Vibration rectification error<0.5<1°/hr/g (rms)
Startup time11s
Sensor resonant frequency11~13K
Environment, power and physical
Shock (charged)1000g, 1ms, half sine wave
Shock (uncharged)10000g, 1.0ms, half sine wave
Vibration (operating)12grms, 20Hz to 2KHz random vibration
Operating temperature-40°C~85°C
Max storage (survival) temperature-55°C~125°C
Supply voltage5±0.25V
Current consumption40mA


ER-MG2-50/100 mems gyroscope技术参数

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性 能
随机游走 0.0025-0.005 deg/hr/sqrt
零偏稳定性 0.05-0.1 deg/hr
特 性
带宽 12 Hz
角速率量程 50-100
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最大尺寸 11x11x2mm

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