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A
Aalekh
Associate
January 14, 2024
Question

Self test in IIS3DWB

  • January 14, 2024
  • 3 replies
  • 1355 views

What is self-test in IIS3DWB and what is the criteria to indicate pass or fail??

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3 replies

Federica Bossi
Federica Bossi
Technical Moderator
January 16, 2024

Hi @Aalekh ,

Welcome to ST Community!

The embedded self-test functions allow checking the device functionality without moving it. When the self-test is enabled, an actuation force is applied to the sensor, simulating a definite input acceleration. 

The completed procedure is described in the section 8 of AN5444:

FedericaBossi_0-1705419600036.png

 

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A
AalekhAuthor
Associate
January 22, 2024

What to do if Self-test data is not in specified range?

Federica Bossi
Federica Bossi
Technical Moderator
January 22, 2024

Hi @Aalekh ,

It means that the self test failed.

Can you share the output values with and without self-test enabled? Which FS did you set? Please note that the values we give are for 2g. 

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