FXOS8700 & MAG3110 ground plane

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FXOS8700 & MAG3110 ground plane

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eduardrazumovsk
Contributor III

Hello,

Is there any information about ground planes regarding the sensors ?

What is preferable - separate sensor's ground plane from board's digital ground or the same digital ground plane for both ?

Thanks

Eduard

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reyes
NXP TechSupport
NXP TechSupport

Hi Eduard,

You can use the same ground plane for both.

As an example, you can see that we use the same ground for both devices in our FRDM-FXS-MULTI in the following link: http://cache.freescale.com/files/sensors/doc/support_info/FRDM-FXS-MULTI-B.pdf

There is an application note with some layout recommendations for PCBs using Magnetometer sensors that I think could be useful for you in the following link: http://cache.freescale.com/files/sensors/doc/app_note/AN4247.pdf


Have a great day,
Jose Reyes

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