The U1925 MEMS Inertial Measurement Module is a highly reliable, high-overload-resistant, and cost-effective six-axis MEMS inertial measurement module, widely applicable in areas such as missile-borne navigation and control. The U1925 series of inertial measurement modules integrates high-performance MEMS gyroscopes and MEMS accelerometers within a single structure. The gyroscopes and accelerometers selected for the system represent the leading edge of MEMS technology for inertial devices. The three-axis MEMS gyroscopes sense the angular motion of the carrier, while the three-axis MEMS accelerometers sense the linear acceleration of the carrier. The system internally compensates for zero position, scale factor, non-orthogonal error, and acceleration-related terms across all temperature parameters, maintaining high measurement accuracy over extended periods.
Номер детали, :
U1925-BМинимальный объем заказа (MOQ) :
1Product Series and Parameters
|
Parameters |
U1925-B |
|
Gyroscope |
|
|
Gyroscope range in X direction (°/s) |
±5400 |
|
Gyroscope range in Y/Z direction (°/s) |
±2000 |
|
Zero position (°/s, full temperature, 3σ) |
≤0.1 |
|
Zero bias stability (/°h, 10s smoothing) |
≤20 |
|
Zero bias instability (°/h, allan) |
≤5 |
|
Zero bias repeatability (°/h) |
≤20 |
|
Angular Random Walk (°/√h) |
≤0.8 |
|
Non-orthogonality |
≤0.001 |
|
Scale factor nonlinearity (ppm) |
≤100 |
|
Bandwidth (Hz) |
200 |
|
Accelerometer |
|
|
Measuring range (g) |
±80 |
|
Zero position (mg, full temperature, 3σ) |
≤20 |
|
Zero bias stability (mg, 10s smoothing) |
≤0.5 |
|
Zero bias instability (mg, allan, typ) |
≤0.1 |
|
Zero bias repeatability (mg) |
≤0.5 |
|
Velocity random walk (m/s/√h) |
≤0.06 |
|
Non-orthogonality |
≤0.001 |
|
Scale factor nonlinearity (ppm, 1g) |
≤300 |
|
Bandwidth (Hz) |
200 |
|
Electrical/mechanical interface |
|
|
Power supply (V) |
5±0.2 |
|
Power (W) |
1 |
|
Startup time (s) |
2 |
|
communication interface |
Channel 1 RS-422 |
|
Update rate (Hz) |
1000 |
|
Size (Φmm×mm) |
Φ55×15 |
|
Weight (g) |
≤60 |
|
Operating environment |
|
|
Operating temperature (℃) |
-40~+80 |
|
Storage temperature (℃) |
-55~+85 |
|
Vibration (g, Rms) |
20~2000Hz, 6.06 |
|
Shock (g) |
20000g/10ms |
|
Reliability |
|
|
MTBF(h) |
20000 |
Production process
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