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LSM303D Self-test did not function normally when VDD=3.3V

Question asked by looeyc on Oct 15, 2017
Latest reply on Oct 16, 2017 by Miroslav B

Hi,

   In out production process, the self-test function of LSM303D was taken to perform product testing. The Self-test was always OK when VDD was about 2.7V. However, we found that when the VDD was set to 3.3V, some LSM303Ds could not pass the self-test. It seemed than some times no differences could be observed with the self-test bit (AST) set to '0' and '1' when VDD set to 3.3V.

   Is there anything wrong?

 

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