High Performance MEMS Gyroscope

High Performance Tactical Grade MEMS Gyroscope

ER-MG-069 (<0.1°/h)
1. <0.1°/hr bias instability;
2. <0.05°/√hr angular random walk;
3. Small size: 11 x 11 x 2mm.

High Performance Tactical Grade MEMS Gyroscope

High Performance MEMS Gyroscope

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    Introduction

    High Performance Tactical Grade MEMS Gyroscope

    Introduction
    The ER-MG-069, High Performance Tactical Grade MEMS Gyroscope (Alternative of Gyro3300) is a single-axis MEMS angular rate sensor, which is capable of measuring angular velocity up to a maximum of ±400°/s and with digital output compliant to SPI slave mode 3 protocol. Angular rate data is presented as a 24-bit word.
    The ER-MG-069 is intended for industrial, instrumentation, stabilization and other high performance applications. An advanced, differential sensor design resists the impact of linear acceleration, so that ER-MG-069 can operate in extremely harsh environments in the presence of impact and vibration.
    The ER-MG-069 is available in a hermetically sealed ceramic LCC surface mount package and it is capable of operating at 5V supply and a wide temperature range (−40°C to +85°C).

    Features
    Proven and robust silicon MEMS gyro
    Up to ±400°/s measurement range
    0.1°/hr bias instability
    0.05°/√hr angular random walk
    Digital output (SPI slave)
    5V operation (4.75~5.25V supply)
    Low power consumption (35 mA)
    High shock and vibration rejection
    Hermetically sealed ceramic LCC surface mount package (11 x 11 x 2mm)
    Integrated temperature sensor
    RoHS compliant

    Applications
    Azimuth, attitude, position measuring and keeping in GNSS-assisted INS
    Heading, pitch ,roll measuring In AHRS for UAV
    Motion survey and keeping in MRU
    Attitude & azimuth keeping, positioning in IMU
    Guidance, navigation, control in tactical MEMS weapon system
    Stabilizing & Pointing in satellite antenna,target tracking system
    Robotic Control & Orientation in Autonomous machines, Unmanned vehicles

    Specifications

    ParametersER-MG-069Unit
    Range400deg/s
    Resolution24bits
    Data rate12KHz
    Group delay<1.5ms
    Bandwidth (-3dB)300Hz
    Scale factor at 25°C20000lsb/deg/s
    Scale factor repeatability (1σ)<50ppm
    Scale factor vs temperature (1σ)500ppm
    Scale factor non-linearity (1σ)<300ppm
    Bias instability<0.1deg/hr
    Bias stability (1σ 10s)<1deg/hr
    Bias stability (1σ 1s)<3deg/hr
    Angular random walk<0.05°/√h
    Bias error over temperature (1σ)10deg/hr
    Bias temperature variations, calibrated(1σ)<10deg/hr
    Bias repeatability (1σ)<1deg/hr
    Noise peak to peak±0.15deg/s
    G-sensitivity<1°/hr/g
    Vibration rectification error<1°/hr/g (rms)
    Startup time1s
    Sensor resonant frequency11K~13K
    Environment, Power and Physical
    Shock (operating)500g, 1ms, half sine wave
    Shock (survival)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

    Application Techniques

    1.MEMS Gyroscope: Error Compensation By Allan Variance Method

    2.Impact resistance technology of MEMS gyroscope

    3.Bias Temperature Compensation Analysis of MEMS Gyroscope

    4.Basic dynamics analysis of MEMS gyroscope

    5.Integrated method of three-axis MEMS gyroscope

    6.Comparative analysis of integrated modes of three-axis MEMS gyroscope


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