Ericco 艾瑞科惯性系统 ER-MG2-200 mems gyroscope
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ER-MG2-200
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Ericco 艾瑞科惯性系统
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Ericco 艾瑞科
产品介绍
Introduction
ER-MG2-200, a high performance MEMS gyro sensor with 0.02°/hr bias instability and 0.005°/√hr angular random walk, is specially designed for north seeking, pointing, initial alignment in logging tools/gyro tools, mining/drilling equipment, weapon/UAV launch systems, satellite antenna, target tracking system and so on. Thanks to the high performance, ER-MG2-200 can also used in high precision attitude measuring, stabilization control, positioning, navigating in navigation grade MEMS IMU/INS, land surveying/land mobile mapping system, railway train system, etc. So ER-MG2-200 is a best, cost effective, robust, reliable, small size, light weight, low power alternative of medium-low navigation grade FOG DTG with north seeking, precision attitude measuring , inertial positioning and navigation function.
The ER-MG2-200 High Performance Navigation Grade Gyroscope is a single-axis MEMS angular rate sensor (gyroscope) capable of measuring angular velocity up to a maximum of ±100°/s with digital output compliant to SPI slave mode 3 protocol. Angular rate data is presented as a 24-bit word.
The ER-MG2-200 is intended for north seeking applications. As an advanced, differential sensor design rejects the influence of linear acceleration, enabling ER-MG2-200 to operate in exceedingly harsh environments where shock and vibration are present.
The ER-MG2-200 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
0.02°/hr bias instability
0.005°/√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 (11x11x2mm)
Integrated temperature sensor
RoHS compliant
Application areas
North seeking in logging tools/gyro tools
Pointing, steering and guiding in advanced mining/drilling equipment
Initial alignment in weapon/UAV launch systems
Direction pointing and tracking in satellite antenna, target tracking system
Guidance and navigation in navigation grade MEMS weapon system
Orientating and positioning in railway train system
Precision platform attitude measuring and controls
Precision attitude, position measuring in navigation grade MEMS IMU/INS
North finding and positioning in land surveying/land mobile mapping system
Petroleum exploration
Bridge, tall building, tower, dam monitoring
Rock and soil monitoring
Mining
Specification of High Performance Navigation Grade Gyroscope
| Parameters | ER-MG2-200 | Unit | Notes | |
| Range | 200 | deg/s | Clockwise rotation is positive output,Clamped at ±105% FS during over-range | |
| Resolution | 24 | bits | ||
| Data rate | 2k | Hz | Refresh rate of the output data at room temperature | |
| Phase delay (@3DB) | ≤90 | deg | ||
| Bandwidth (-3dB) | 50 | Hz | Defined as the frequency for which attenuation is >-3dB | |
| Scale factor at 25°C | 40000 | lsb/deg/s | Exit setting | |
| Scale factor repeatability (1σ) | <100 | ppm | Day by day at setting Temp (1σ) | |
| Scale factor vs temperature (1σ) | 300 | ppm | Over temperature range (1σ) | |
| Scale factor non-linearity (1σ) | <300 | ppm | Percentage of dynamic range using a best straight line fit | |
| Bias instability | <0.02 | deg/hr | Allan Variance @25℃ | |
| Bias stability (1σ 10s) | <0.1 | deg/hr | ||
| Bias stability (1σ 1s) | <0.3 | deg/hr | ||
| Angular random walk | <0.005 | °/√h | Allan Variance @25℃ | |
| Bias error over temperature (1σ) | 5 | deg/Hr | Over temperature range(1σ) | |
| Bias temperature variations, calibrated (1σ) | <0.5 | deg/Hr | Over temperature range(1σ) | |
| Noise peak to peak | <0.04 | deg/s | Over the Bandwidth frequency range, at room temperature | |
| G-Sensitivity | <1 | °/hr/g | Any axis，Tested over ±1g | |
| Vibration rectification error | <1 | °/hr/g (rms) | （12gRMS，20-2000） | |
| Startup time | 750m | s | Time to operational output | |
| Sensor resonant frequency | 10.5-13.5K | Hz | Gyro resonance frequency | |
| Environment, Power and Physical | ||||
| Shock (operating) | 1000g, 1ms | |||
| Shock (survival) | 10000g, 10ms | |||
| Vibration (operating) | 18grms, Screening spectrum | |||
| Operating temperature | -40℃~+85℃ | |||
| Max storage (survival) temperature | -55℃~+125℃ | |||
| Supply voltage | 5±0.25V | |||
| Current consumption | 40mA | |||
ER-MG2-200 mems gyroscope技术参数
| 规格项 | 参数值 | 勾选搜索替代 |
| 性 能 | ||
| 随机游走 | 0.005 deg/hr/sqrt | |
| 零偏稳定性 | 0.1 deg/hr | |
| 特 性 | ||
| 测量轴数 | 单轴 | |
| 角速率量程 | 200 deg/hr | |
| 物 理 | ||
| 产品类型 | 集成电路 ( IC ) | |
| 更多技术信息 | ||
| 陀螺类型 | 振动 |
产品替代
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