Hi Kaji,
the current source red circle in the diagram is used to mimic the leakage circuit that generates the receiver fail-safe threshold. The internal fail safe is offering fail safe for open-line cases. But you can not use this feature when you are…
This spreadsheet tool makes it easy to look up what the recommended pin to pin capable RS-485 transceivers to replace old TI RS-485 transceivers.
/cfs-file/__key/communityserver-discussions-components-files/138/1777.Recommended-New-RS_2D00_485-parts…
