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Analog Devices Accelerometer : Will fluctuations in the power supply voltage (ripple, etc.) applied to the ADXL343 affect tilt/shock detection?

Sensors and MEMS

Yes, the ADXL343 has a ratiometric internal circuit, and its sensitivity is affected by fluctuations in the power supply voltage.
Please refer to the data sheet page 31 "OPERATION AT VOLTAGES OTHER THAN 2.5 V" for a specific guideline for the amount of change.

(Published in June 2021)

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