what is the benefit of differential Output of Max-485

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Deepak Rathore

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Hey hi everyone,




can anyone help me to solve this my doubt that what is benefit of differential Output of Max-485.

and how it's useful in RS-485 Communication.



Thanks in advance.
 

RS-485 and RS-422 use differential output with twisted pair of wires for distance improvement (up to 4k ft) , at the end of the cable there is a differential receiver (op amp) , for a long cable ,unwanted noise and power coupling is generated . but it will be the same for both twisted pair .the Rx op amp will get rid of the noise and improve the data ,

best regards
 

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