11-17-2020 09:58 AM
Does anyone know if there is a maximum capacitive/inductive load for the BME280 SPI protocol?
In the datasheet SPI timings table (capture in attachments), they mention 25pF as a usage condition for SDO but I am not sure if it is the maximum capacitive load for the BME280
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01-06-2021 01:58 PM
Do you know if the input/output impedance values of the BME280 can be found in any documentation?
It is for the impedance matching problematic
01-07-2021 03:14 AM
Sorry, I don't have any document. Actually the normal connection with BME280 have no the impedance matching problematic.
The impedance matching problematic is only based on experience to verify, not only for BME280 but also many other IC design have the same problem.