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???
06/30/06 20:36
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 		 #119493 - Also AD & Linear Tech
Responding to: ???'s previous message
More RS485 isolators:

See Analog Devices
ADM2490E, ADM2486 and ADM2483

See Linear Tech
LTC1535

None of them are as nice as the Maxim since you need an external isolated supply.

-Aubrey

List of 38 messages in thread
TopicAuthorDate
rs485 connection with 8051            01/01/70 00:00      
   RS 485            01/01/70 00:00      
      I have recommended the above appnote for            01/01/70 00:00      
         Yes, but...            01/01/70 00:00      
            cable shield connection ...            01/01/70 00:00      
               is it P.G. Woodhouse?            01/01/70 00:00      
               Hard and soft grounding            01/01/70 00:00      
                  grounding differential signals            01/01/70 00:00      
                     for such Maxim has 'the cure'            01/01/70 00:00      
                        Also AD & Linear Tech            01/01/70 00:00      
                     PEC            01/01/70 00:00      
                        RS485 using 2 wires only            01/01/70 00:00      
                           Using two wires only            01/01/70 00:00      
                              Thanks Russell Bull            01/01/70 00:00      
                                 Shielding            01/01/70 00:00      
                                    CAT5E - UTP and RS485            01/01/70 00:00      
                                       Cat5E & RS485            01/01/70 00:00      
                                          to shield or not to shiels, that is the            01/01/70 00:00      
                                             Thanks Erik            01/01/70 00:00      
                                             common mode voltage            01/01/70 00:00      
                                                comments to common            01/01/70 00:00      
                                                   Even without any tolerance            01/01/70 00:00      
                                                      you are right - need anothe cuppa            01/01/70 00:00      
                                                      I never tried...            01/01/70 00:00      
                                                         What threshold voltage do you use?            01/01/70 00:00      
                                                Transmitting signal ground and +5V            01/01/70 00:00      
                                       Yes            01/01/70 00:00      
                                          Thanks Russel, Erik and Kai            01/01/70 00:00      
                                             re 485 cabling            01/01/70 00:00      
                                                Slew rate controlled drivers prefered            01/01/70 00:00      
                                                   I agree but do not            01/01/70 00:00      
                                                      Of course, this is no excuse for fumblin            01/01/70 00:00      
                                                   slew rate controlled - low speed ??            01/01/70 00:00      
                                                      there is a graph in one of the 485 appno            01/01/70 00:00      
                                                      250kbps?            01/01/70 00:00      
                                                links to juicy B&B 485 stuff            01/01/70 00:00      
                                                re 485 cabling            01/01/70 00:00      
                                                   you found a better link than the one I            01/01/70 00:00      

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