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Drawing much more current than datasheet claims

Question asked by Hans Kleinberg on Sep 28, 2015
Latest reply on Sep 29, 2015 by Tomas Vaverka

With the MMA8452, my current measurements at ODR=100Hz in Normal mode and in Low Power mode are both 1.5mA, which are much higher than the datasheet's claim of 44uA and 24uA.

 

What's even more strange is that I'm getting 2.2mA at ODR=6.25Hz in both Normal and Low Power modes. How could this be the case? How could such low ODR be drawing even more current?

 

Cheers

Hans

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