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SC18IM700 TX-Line Driving Issues

Question asked by Benjamin Wyrsch on Jan 3, 2018
Latest reply on Feb 15, 2018 by Benjamin Wyrsch

We are using the SC18IM700 in our design.

We have detected that the TX-line shows some artifacts during the rising and the falling slope.

What is the reason for these artifacts?

Is the output driver that weak?

 

There is an external 10kOhm pull-up resistor in the TX-line.

I don't think that this resistor causes the artifacts.

 

I also couldn't find any electrical specification of the TX-line output in the datasheet.

Can anybody provide the electrical specification and detailed information about the electrical output circuit (open-drain, push-pull, etc)?

 

Thanks

Benjamin

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