The BMX055 contains three highly accurate and versatile 3-axis sensors: a 12-bit low-noise accelerometer, a gyroscope with a resolution of 16 bit and programmable measurement ranges, and a low noise, wide-range geomagnetic sensor optimized for the best performance / power consumption ratio. With these devices, the absolute orientation sensor BMX055 provides accurate acceleration, angular rate and geomagnetic measurement data.
The BMX055 is fully supported by Bosch Sensortec's sensor fusion software FusionLib, which leverages the company's deep know-how of its proprietary MEMS sensor technologies. The FusionLib Software combines the sensor data outputs and generates robust virtual sensor outputs such as quaternion, linear acceleration, rotation, gravity. Thus, developers can quickly and with little effort create advanced solutions with comprehensive 9-axis functionality. Possible use cases for the new 9-axis sensor can be found in the field of Augmented Reality, Human-Machine Interface (HMI), Location-Based Services, in-door navigation systems for smartphones and HMI for remote controls.
The accelerometer unit of the BMX055 offers a selection of g-ranges from ±2 to ±16g with a sensitivity of 1024 to 128 LSB/g. It excels with a noise density of 150µg/√Hz. The gyroscope features a wide measurement range with angular rates between ±125°/s and ±2000°/s. At the same time it offers a very stable zero-rate offset temperature behavior. The geomagnetic sensor is characterized through a wide measurement range of ±1300µT in x and y axis and ±2500µT in z axis. Heading accuracy is 2.5°.
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