DMC640 Small Size High-Cost Effective AHRS
The DMC640 high-precision attitude and heading reference system employs industrial-grade microcontrollers renowned for their reliability and robust interference resistance, alongside high-precision magnetic sensors and driver chips. It integrates BWSENSING's proprietary rapid calibration algorithm and anti-interference algorithm, enabling spatial manoeuvring during magnetic field calibration while resisting transient magnetic disturbances. This product employs a three-axis accelerometer and three-axis gyroscope to compensate for tilt angles, ensuring accurate heading data even in extremely harsh environments.
Featuring IAP upgrade capability, subsequent functionalities and interfaces will be delivered via IAP updates following programme revisions. Customisable to client requirements, it facilitates the swift and straightforward integration of attitude and heading reference system functionality into diverse products.
| Power voltage | 3.3V DC |
| Working current | ＜150mA |
| Operating temperature | -40℃~+85℃ |
 Storage temperature |
-55℃~+100℃ |
| Accelerometer | Gyroscope | |||
| Range | ±8g | ±400°/s | ±1000°/s | |
| Noise density | 200 µg/√Hz | 1.5mdps/√Hz | 5 mdps/√Hz | |
| Bandwidth | 100Hz | 100Hz | ||
|
Zero bias stability (ALLEN) |
0.15ug | 3 °/h | ||
| Environment | Baud Rate | 9600–921600 (default 115200) | ||
| User Calibration Procedure | Calibration Method | Rapid calibration | ||
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