Economical MEMS Gyroscope

Economical MEMS Gyroscope

ER-MG-056 (5°/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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     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 (−45°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 (1б)

    500

    ppm

    Bias temp drift (1б)

    50

    dph

    Bias temp drift (1б)

    (After Temp compensation)

    20

    dph

    Bias instability

    1

    dph

    Bias stability (1б 10s)

    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

    -45~85

    °

    Application Techniques

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