I have implemented the MPL115A1 in a circuit.
In this implementation the MPL is supposed to be shut down between every reading, this is done by toggling VDD, and not by using the SHDN.
In the datasheet a wake-up time is indicated from SHDN, does this also apply when toggling the VDD?
I am seeing a difference in the temperature reading when shutting the MPL down between readings.
Hi Mike,
I have requested assistance from the product group to provide an accurate answer. I will get back to you and update this thread as soon as I have their feedback.
Thank you for your patience.
Best regards,
Tomas
Hi Mike,
Unfortunately the designer of the MPL115A1 is no longer with the company, but according to the design doc there is not a timing difference. The difference is the I/O pads are enabled when VDD is applied to ensure high impedance on all pins. Otherwise, all the internal circuits are disabled in either case.
Best regards,
Tomas