Hello,
In context of precision, what is the difference between ICM-42670-P and ICM-42688-P?
ICM-42688-P seems to be twice more expensive.
For the ICM-42688-P the noise figures in datasheet are:
Gyroscope Noise: 2.8 mdps/sqrt(Hz)
Accelerometer Noise: 70 µg/sqrt(Hz)
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For the ICM-42670-P we have:
For gyro: 0.007º/s / √Hz
For accelerometer: Power Spectral Density @ 10 Hz 100µg/√Hz
They are not directly comparable, but does this mean the ICM-42688-P is superior in terms of accel and gyro noise?
Best Regards,
C.
Hello,
ICM-42688-P is a higher tier product in terms of accel and gyro noise hence the price difference
2.8 mdps/sqrt(Hz)=0.0028 °/s/sqrt(Hz), much less than 0.007 °/s/sqrt(Hz)