High Precision Navigation MEMS Gyroscope

High Precision Navigation MEMS Gyroscope

ER-MG2-300/400 (0.03-0.05°/hr)
1. Up to ±400°/s measurement range;
2. 0.03-0.05° deg/hr bias instability;
3. 0.01-0.025°/√hr angular random walk.

High Precision Navigation MEMS Gyroscope

High Precision Navigation MEMS Gyroscope

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    ER-MG2-300/400 High Precision Navigation MEMS Gyroscope

    ER-MG2-300/400, a Navigation Grade MEMS gyro sensor up to 400deg/s measurement range and 0.05°/hr bias instability, is specially designed for precision attitude & azimuth measuring, positioning, navigating, guidance in high performance IMU /AHRS/ GNSS-aided INS, aerial/marine/land mapping/survey system/UAV/AUV and navigation grade MEMS weapon system.
    With the high dynamic measurement range and high precision, ER-MG2-300/400 is a cost effective, robust, reliable, small size, light weight, low power, most suitable replacement of medium-low navigation grade FOG/DTG with high dynamic azimuth & attitude measuring , inertial positioning and navigation function in aerial, marine manned, or unmanned carriers.
    The ER-MG2-300/400 High Precision Navigation MEMS Gyroscope 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-MG2-300/400 with an advanced, differential sensor design rejects the influence of linear acceleration, enables to operate in exceedingly harsh environments where shock and vibration are present.
    The ER-MG2-300/400 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).

    Proven and robust silicon MEMS gyro
    Up to ±400°/s measurement range
    0.03-0.05°/hr bias instability
    0.01-0.025°/√hr angular random walk
    Digital output (SPI slave)
    5V operation (4.75~5.25V supply)
    Low power consumption (40 mA)
    High shock and vibration rejection
    Hermetically sealed ceramic LCC surface mount package (11x11x2mm)
    Integrated temperature sensor
    RoHS compliant

    Application areas
    Precision attitude & azimuth keeping, positioning, navigation in navigation grade IMU/INS/AHRS
    Heading, navigation, positioning in High performance GNSS-aided INS
    Orientation, navigation, positioning in aerial/marine/land mapping/survey system
    Attitude and motion control in medium and large UAV, AUV
    Pointing and tracking in satellite antenna,target tracking system
    Guidance and navigation in medium-low navigation grade MEMS weapon system
    Azimuth, position, heaving/swaying/surging of gyrocompass in surface and submarine carriers, AUV
    Antenna and Line of Sight Stabilization Systems
    Integrated Navigation Systems & Inertial Guidance System
    Flight Control & Guidance System
    Attitude Heading Reference Systems (AHRS)
    Stabilization of Antennas, Cameras & Platforms
    Aerial and Marine Geo-mapping / Surveying


    Data rate12K12KHz
    Group delay<5<3ms
    Bandwidth (-3dB)50100Hz
    Scale factor at 25°C2800020000lsb/deg/s
    Scale factor repeatability (1σ )<50<20ppm
    Scale factor vs temperature (1σ )300100ppm
    Scale factor non-linearity (1σ)<300100ppm
    Bias instability0.030.05deg/hr
    Bias stability (1σ 10s)0.15<0.5deg/hr
    Bias stability (1σ 1s)0.5<1.5deg/hr
    Angular random walk<0.01<0.025°/ √h
    Bias error over temperature (1σ)103deg/hr
    Bias temperature variations, calibrated (1σ)<1<0.5deg/hr
    Bias repeatability (1σ )<0.3<0.3deg/hr
    Noise peak to peak±0.01±0.05deg/s
    Vibration rectification error<1<1°/hr/g (rms)
    Startup time11s
    Sensor resonant frequency11K~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

    Application Techniques

    1.Comparative analysis of integrated modes of three-axis MEMS gyroscope
    2.MEMS Gyroscope: Error Compensation By Allan Variance Method
    3.Impact resistance technology of MEMS gyroscope
    4.Analysis of drive loop noise of MEMS gyroscope
    5.Basic dynamics analysis of MEMS gyroscope
    6.Research on scale factor nonlinearity of MEMS gyroscop

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