Bosch CISS - 4.11 CISS sensor description

8
4.11 CISS – sensor description
4.11.1 Accelerometer: 3-axis acceleration sensor – BMA280
Acceleration range ± 2, ± 4, ± 8, ± 16 g (default)
Accuracy (zero-g offset (typical, over
life-time))
± 50 mg
Resolution 1 mg
Noise density (typical) 120 µg x Hz
-1/2
Bandwidths 8 – 10 Hz
Sampling rate BLE: ≤ 100 Hz
USB: ≤ 100 Hz; special mode 2 kHz
Precision (at ± 16 g resolution) ± 5 mg
4.11.2 Gyroscope: 3-axis angular velocity sensor – BMG16
Measurement range ± 2000 °/s
Accuracy (zero-g offset (typical, over
life-time))
± 1 °/s
Resolution 1 °/s
Zero-rate offset over temperature 0.015 °/s x K
-1
Noise density (typical) 0.014 °/s x Hz
-1/2
Sampling rate BLE: ≤ 100 Hz
USB: ≤ 100 Hz
Precision ± 0.50 °/s
4.11.3 Magnetometer: 3-axis magnetometer – BMC150
Measurement range ± 1300 µT (x-, y-axis)
± 2500 µT (z-axis)
Accuracy 0.06 × M ± 25 μT
(M= real magnetic field)
Resolution 1.0 µT
Precision (1-sigma level) ± 2.5 μT
Sampling rate BLE: ≤ 100 Hz
USB: ≤ 100 Hz