Electronic – Understanding ST L3GD20 Gyro datasheet’s cut-off value

gyro

Table 21 on page 32 of the L3GD20 datasheet has a column named cut-off:

Table 21 (Complete)

The data sheet doesn't explain what this is, and it doesn't even have a unit. Does anyone what it means?

Best Answer

It's the cutoff frequency of the digital low-pass filter, in Hz. It's controlled by the BW bits in the control register, but it's also affected by the output sample rate (or ODR), which is set by the DR bits.