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If you check the section "RS485 Receiver Mode" in FUNCTION TABLES in the LTC1334 data sheet,
Ra = 0 below -0.2V and Ra = 1 above 0.2V.
I want to check if "Ra=1 when Input Open= B-A = 0V"
Since the threshold was 0 when it was less than -0.2V, I would like to check if it is fixed at 1 even at 0V.

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