ADM483E: Operation in fail safe mode

Document created by analog-archivist Employee on Feb 23, 2016
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Does the receiver's fail safe feature work also if the termination (and nothing
else) is connected between the A and B inputs?

 

In addition to the termination resistor a pull up and pull down resistor must
be placed at one point on the bus for receiver fail safe to operate. If only a
termination resistor is used then when the bus is in the idle state condition
data may incorrectly be output from the transceiver.

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