Introduction
ER-2MG-202 is a two-axis MEMS gyroscope with the characteristics of small size, low power consumption and light weight. It can meet the performance requirements of the gyro in the whole working temperature zone by modeling and accurate calibration.
Features
Small two-axis gyroscope
Low power consumption
High cost performance
Total temperature compensation
Application areas
Inertial navigation: inertial guidance, integrated navigation, platform stability
Short-term navigation: flight control, trajectory correction, telemetry and remote control
Attitude control: UAV, antenna orientation
Specifications
| Parameters | Indicator | |
| Range | ±450°/s | |
| Bias | ≤150°/h | |
| Angular random walk | ≤0.25°/√h | |
| Bias instability | ≤3°/h | |
| Bias stability (1σ) | ≤15°/h | |
| Bias repeatability (1σ) | ≤15°/h | |
| Scale factor non-linearity | ≤50ppm | |
| Bandwidth (10~250Hz adjustable) | 150Hz | |
| Supply voltage | 5V±0.3V | |
| Operating temperature | -45°C~+85°C | |
| Shock resistance | ≥2000g | |
| Vibration | ≥20grms | |
| Dimension | 22.0mm×22.0mm×30.5mm | |
| Weight | ≤55g | |
| Output electrical characteristic | RS422 | |
| Output mode | High temperature conductor | |
| Output interface wiring definition | ||
| VDD | Power supply positive | Red conductor |
| GND | Power ground | Black/gray conductor |
| TX+ | RS422 Send + | Yellow conductor |
| TX- | RS422 Send - | Green conductor |
| RX+ | RS422 Receive + | White conductor |
| RX- | RS422 Receive - | Orange conductor |
| NC | Vacant, not connected | Other |
技术参数
| 规格项 | 参数值 |
|---|---|
| 零偏稳定性 | 15 deg/hr |
| 随机游走 | 0.25 deg/hr/sqrt |
| 陀螺类型 | 振动 |
| 测量轴数 | 双轴 |
| 动态范围 | 450 deg/sec |
