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

    Parameters ER-MG-069 Unit
    Range 400 deg/s
    Resolution 24 bits
    Data rate 12K Hz
    Group delay <1.5 ms
    Bandwidth (-3dB) 300 Hz
    Scale factor at 25°C 20000 lsb/deg/s
    Scale factor repeatability (1σ) <50 ppm
    Scale factor vs temperature (1σ) 500 ppm
    Scale factor non-linearity (1σ) <300 ppm
    Bias instability <0.1 deg/hr
    Bias stability (1σ 10s) <1 deg/hr
    Bias stability (1σ 1s) <3 deg/hr
    Angular random walk <0.05 °/√h
    Bias error over temperature (1σ) 10 deg/hr
    Bias temperature variations, calibrated(1σ) <10 deg/hr
    Bias repeatability (1σ) <1 deg/hr
    Noise peak to peak ±0.15 deg/s
    G-sensitivity <1 °/hr/g
    Vibration rectification error <1 °/hr/g (rms)
    Startup time 1 s
    Sensor resonant frequency 11K~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 voltage 5±0.25V
    Current consumption 40mA

    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.MEMS Gyroscope: Sensitive Structure | Detection Circuit | Integrated Package


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