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Inertial Measurement Unit ADIS16488 Small Size And High Overload Resistance IMU
IMU16488B is a domestic inertial measurement unit with high performance, small size and high overload resistance.
The gyro bias stability is 1.2 °/H (Allan) and the accelerometer bias stability is 50 µg (Allan). This series of products adopt high-precision MEMS inertial
devices, which have high reliability and high robustness, and can accurately measure the angular velocity and acceleration information of moving carriers in harsh environments.
Main technical indicators
Test conditions | Minimum value | Typical value | Maximum value | |||
|---|---|---|---|---|---|---|
| Measuring range | ||||||
| Zero bias stability | Allan variance | deg /h | ||||
| Random walk | deg /√h | |||||
| Zero-bias repeatability | −40°C ≤ TA ≤ +85°C | |||||
| Scale factor repeatability | Full temperature range −40°C ≤ TA ≤ +85°C | |||||
| Scale factor nonlinearity | FS=450 º/s | |||||
| ±5 | ||||||
| Zero bias stability | ||||||
| Random walk | ||||||
| Zero-bias repeatability | Full temperature range −40°C ≤ TA ≤ +85°C | |||||
| Scale factor repeatability | Full temperature range −40°C ≤ TA ≤ +85°C | |||||
| Scale factor nonlinearity | 0.1 | 0.2 | ||||
| Hz 3dB | ||||||
| Dynamic measuring range | ||||||
| Noise density | ||||||
| Pressure range | ||||||
| Absolute measurement accuracy | ||||||
Externally based Inertial satellite Integrated navigation | Heading accuracy | Single GNSS, Maneuver Required, RMS | ||||
| Pitch and roll accuracy | GNSS Valid, RMS | |||||
| GNSS invalid, unlimited time, RMS | ||||||
| Position accuracy | GNSS Valid, Single Point L1/L2, RMS | |||||
| Speed accuracy | GNSS Valid, Single Point L1/L2, RMS | |||||
| Communication interface | 1-way SPI | Baud rate | ||||
| 1-way UART | Baud rate | |||||
| Electrical characteristics | ||||||
| Power consumption | ||||||
| Structural characteristics | ||||||
| Use environment | Operating temperature | |||||
| Storage temperature | ||||||
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| (Half-sine 0.5msec) | ||||||
| Continuous working time | ||||||
IMU polarity definition
3 gyros and 3 accelerometers is defined as shown in the figure below, and the direction of the arrow is positive.
