MG3-1A MEMS Gyroscope is a high-accuracy 3-axis angular rate sensor for autonomous vehicles, UAV navigation, and robotics applications.
Featuring MEMS gyroscope technology, temperature sensors, signal processing board, structural framework, and software, it outputs fully compensated angular rate data via RS-422, including temperature, alignment, and nonlinearity correction.
Specifications: ±400°/s range, zero-bias instability 0.3°/h, random walk 0.15°/√h, bandwidth 250 Hz, start-up 17 s, weight 52 g. Ideal for UAV gyroscopes, robotic stabilization, mapping instruments, and autonomous navigation systems.
Fully compatible with Stim210, it provides a compact, reliable drop-in MEMS gyroscope solution.
Main technical parameters
1.2.1 Technical index of gyroscope
| Parameter | Unit | Test conditions | MG3-1A | MG3-1C | MG3-1E |
| Measuring range | °/s | | ±400 | ±400 | ±300 |
| Zero-bias instability | °/h | Allan variance | 0.3 | 0.1 | 0.2 |
| Zero bias stability | °/h | 10s smooth, RMS, Room temperature | 3 | 1 | 1 |
| Zero bias variation at full temperature | °/h | 10s smoothing, RMS, temperature change rate 1℃/min | 20 | 10 | 5 |
| Random walk | °/√h | Allan variance | 0.15 | 0.05 | 0.03 |
| Output noise | p-p | Peak (Half Peak, RMS * 3) | 0.3 | 0.25 | 0.2 |
| Zero-bias repeatability | °/h | Q = 6, Room temperature | 3 | 1 | 0.5 |
| Zero bias acceleration sensitivity | | Test at ± 1 g | 2 | 2 | 2 |
| Resolution | °/h | | 2 | 1 | 1 |
| Bandwidth | Hz | | 250 | 250 | 400 |
| Scale factor nonlinearity | ppm | Room temperature | 100 |
| Scale factor repeatability | ppm | Q = 3, Room temperature | 100 |
| Cross coupling | % | Room temperature | 0.1 |
1.2.2 Electrical characteristics
| Parameter | Unit | MG3-1A |
| Voltage | V | +5±0.25 |
| Startup current | mA | ＜400 |
| Steady-state power consumption | W | ＜1.4 |
| Ripple | mV | 100 |
1.2.3 Environmental adaptability
| Parameter | Unit | MG3-1A |
| Operating temperature | ℃ | -45~85 |
| Storage temperature | ℃ | -55~105 |
1.2.4 Others
| Parameter | Unit | MG3-1A |
| Weight | g | 52±5 |
| Start time | s | 1 |
Overall dimension
Product Tags:
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High-Performance MEMS 3-Axis Gyro with Low Noise RS422 Output Images
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