In the T I D A-0 1 0 0 1 9 schematic(page3) I see 10K resistors on both the inputs.Is this design choice just for current limiting on input pins?
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R76 and R81 are necessary to limit the current through the protection diodes D12 and D13. R77 and R82 provide a further current limiting caused by the rest overvoltage dropping across the protection diodes. R77 and R82 also provide a low pass filtering, as these resistors are dominating over R76 and R81.