ER-MG2-300/400 High Precision Navigation MEMS Gyroscope
Introduction
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 (−45°C to +85°C).
Features
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
Specifications
Parameter | ER-MG2-300 | ER-MG2-400 | Unit |
Range | 300 | 400 | deg/s |
Resolution | 24 | 24 | bits |
Data Rate | 12K | 12K | Hz |
Group delay | <5 | <3 | ms |
Bandwidth (-3dB) | 50 | 100 | Hz |
Scale Factor at 25°C | 28000 | 20000 | lsb/deg/s |
Scale Factor Repeatability (1σ ) | <50 | <20 | ppm |
Scale Factor VS Temperature (1σ ) | 300 | 100 | ppm |
Scale Factor Non-Linearity (1σ) | <300 | 100 | ppm |
Bias Instability | 0.03 | 0.05 | deg/hr |
Bias stability (1σ 10s) | 0.15 | <0.5 | deg/hr |
Bias stability (1σ 1s) | 0.5 | <1.5 | deg/hr |
Angular Random Walk | <0.01 | <0.025 | °/ √h |
Bias error over temperature (1σ) | 10 | 3 | deg/Hr |
Bias temperature variations, calibrated (1σ) | <1 | <0.5 | deg/Hr |
Bias repeatability (1σ ) | <0.3 | <0.3 | deg/hr |
Noise Peak to Peak | ±0.01 | ±0.05 | deg/s |
G-Sensitivity | <1 | <1 | °/hr/g |
Vibration rectification error | <1 | <1 | °/hr/g (rms) |
Startup Time | 1 | 1 | s |
Sensor Resonant Frequency | 11K~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 | -45°C~85°C | ||
Max storage (survival) Temperature | -55°C~125°C | ||
Supply voltage | 5±0.25V | ||
Current consumption | 40mA | ||
Application Techniques
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