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magnetic rms noise of the LSM9DS1

Ralf L.
Associate
Posted on April 16, 2018 at 23:37

What is the magnetic rms noise of the LSM9DS1? I can not find it or something simular in the datasheet. Thanks for your help.

#magnetic-rms-noise
3 REPLIES 3
Miroslav BATEK
ST Employee
Posted on April 17, 2018 at 08:38

Magnetometer part of LSM9DS1 is basically the same as LIS3MDL.

0690X0000060AYwQAM.png
Ralf L.
Associate
Posted on April 30, 2018 at 21:09

Thanks for your answer. These sensors have zero gauss levels of +/- 1 gaus which is a quater of full scale. Is that correct ? Why not all of your sensors have that offset compensation to reduce the zero gauss level.

Regards,

Ralf L

Posted on May 02, 2018 at 21:57

Yes, it is correct.

In the final application, there is always some hard iron distortion caused by surounding objects which need s to be compenstated. The zero gauss level will be compensated together with the HI distortion, so it is not a big problem.