I use MAX14850AEE+ as I2C and SPI isolator on the custom board.
My schematic is:
And sometimes I see that MAX14850AEE+ has a large propagation delay from I/OB1 to I/OA1(I2C SDA signal):
CH4(pink) - I/OB1 signal
CH2(green) - I/OA1 signal
What do you think about it?
Also I have question about isolation between INB2 and I/OB1 inputs.
I see next I/OB1 signal when SPI clock is active on the INB2(~6-9MHz spi clock):
What isolation between INB2 and I/OB1? And isolation between INB2 and INB1?