Shenzhen Fire Power Control Technology Co., LTD
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The 16488D is a high-performance inertial measurement unit that is precisely calibrated over the full temperature range to meet performance requirements under varying conditions. Built-in three-axis gyroscope and three-axis accelerometer are used to measure the three-axis angular rate, acceleration and other parameters of the carrier, and output the data after error compensation (including temperature compensation, installation misalignment angle compensation, nonlinear compensation, etc.) through SPI according to the communication protocol.
The specific performance index configuration of 16488D is shown in Table 1:
Table 1 Performance index
| Parameter | Test conditions | Minimum value | Typical value | Maximum value | Unit | |
| Gyroscope | Dynamic measuring range |
|
| ±500 |
| º/s |
| Zero-bias instability | Allan variance |
| 1 |
| º/h | |
| Zero bias stability | 1s smooth, RMS |
| 7 |
| º/h | |
| Zero bias in full temperature range | -40 ℃ ~ 85 ℃, 10 s smoothing, RMS |
| 0.007 |
| º/s | |
| Random walk | 1σ |
| 0.13 |
| º/√h | |
| Zero-bias repeatability | 1σ |
| 5 |
| º/h | |
| Output noise | No filtering, RMS |
| 0.02 |
| º/s | |
| Scale factor nonlinearity | 1σ |
| 0.01 |
| % | |
| Scale factor | FS=500 º/s |
| 524.287 |
| LSB/°/sec | |
| Bandwidth (-3dB) |
|
| 150 | 280 | Hz | |
| Cross coupling |
|
| 0.05 |
| % | |
| Acceleration sensitivity |
|
| 10.7 |
| °/h/g | |
| Resonant frequency |
|
| 19k |
| Hz | |
| Accelerometer | Dynamic measuring range |
|
| ±16 |
| g |
| Zero bias stability | Allan variance |
| 18 |
| ug | |
| Zero bias in full temperature range | -40 ℃ ~ 85 ℃, 10 s smoothing, RMS |
| 0.3 |
| mg | |
| Random walk | 1σ |
| 0.015 |
| m/s/√h | |
| Zero-bias repeatability | 1σ |
| 1 |
| mg | |
| Output noise | No filtering, RMS |
| 0.2 |
| mg | |
| Scale factor | 1σ |
| 16383 |
| g/LSB | |
| Bandwidth (-3dB) |
|
| 150 | 280 | Hz | |
| Cross coupling |
|
| 0.05 |
| % | |
| Magnetometer
| Range |
|
| 2(8) |
| guass |
| Resolution |
|
| 0.1 |
| mg | |
| Barometer | Range |
| 260 |
| 1260 | hPa |
| Resolution |
|
| 4096 |
| LSB/hPa | |
| Temperature | Scale factor |
|
| 0.019 |
| °C/LSB |
| Communication interface | 1-way SPI | Enter the clock frequency |
| 6 | 12 | MHz |
| Electrical characteristics | Voltage | Direct current | 3 | 3.3 | 3.6 | V |
| Power consumption |
|
| 1 |
| W | |
| Ripple | P-P |
| 50 |
| mV | |
| Use environment | Operating temperature | Scalable | -40 |
| 85 | ℃ |
| Storage temperature |
| -55 |
| 105 | ℃ | |
| Impact |
|
| 2000g |
|
| |
