Economical MEMS Gyroscope

Economical MEMS Gyroscope

ER-MG-056 (1°/h)
1. 1°/hr bias instability;
2. 0.25°/√hr angular random walk;
3. 5°/hr bias stability.

Economical MEMS Gyroscope

Economical MEMS Gyroscope

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    Introduction

    ER-MG-056 Economical MEMS Gyroscope

    Introduction
    The ER-MG-056, a low cost Tactical Grade MEMS Gyro with 1 deg/hr bias of instability and 0.25°/√h of angular random walk, is a single-axis MEMS angular rate sensor (gyroscope) capable of measuring angular velocity up to a maximum of ±400°/s with digital output compliant to SPI slave mode 3 protocol. Angular rate data is presented as a 24-bit word.
    The ER-MG-056 is intended for industrial, instrumentation, stabilization, and other high performance applications. An advanced, differential sensor design rejects the influence of linear acceleration, enabling the ER-MG-056 to operate in exceedingly harsh environments where shock and vibration are present.
    The ER-MG-056 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
    Up to ±400°/s measurement range
    1°/hr bias instability
    0.25°/√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

    Parameters ER-MG-056 Unit
    Input range 400 dps
    Bandwidth 200 Hz
    Data output rate 2K Hz
    Latency 2 ms
    Scale factor 20000 LSB/°/s
    Scale factor non-linearity 200 ppm
    Scale factor temp drift (1σ) 500 ppm
    Scale factor repeatability (1σ) <10 ppm
    Bias temp drift (1б) 50 dph
    Bias temp drift (1б) (After temp compensation) 20 dph
    Bias instability 1 dph
    Bias stability (1б 10s) 5 dph
    Bias stability (1б 1s) 15 dph
    Run to run repeatability 5 dph
    RMS noise (1-200Hz) 0.1 dps
    Random walk (ARW) 0.25 °/√h
    Start up time 0.8 s
    G-sensitivity 5 dph/g
    VRC 0.5 °/h/g²rms
    Shock 12g rms
    Vibration 1000g 5ms 1/2 sine /
    Operation temperature -40~85 °C

    Application Techniques

    1.MEMS Gyroscope: Error Compensation By Allan Variance Method
    2.Bandwidth test method of MEMS gyroscope
    3.Impact resistance technology of MEMS gyroscope
    4.Research on scale factor nonlinearity of MEMS gyroscope
    5.Integrated method of three-axis MEMS gyroscope
    6.MEMS Gyroscope: The Third Generation Of Gyroscopes Is Leading The Way


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