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???
06/12/07 16:44
Modified:
  06/12/07 17:05
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 		 #140607 - Pseudo-differential mode?
Responding to: ???'s previous message
Purushottam said:
Now I am very sure that
it is Ch0/8 counts and that comes ONLY IF the ADC is running
in psudo-differential mode.

Are the signals you give to CH0 and CH1 of MCP3202 suited to makes sense in pseudo-differential mode? Means, carries CH0 any sort of pseudo-common mode potential you can remove from CH1 signal?

Kai

List of 25 messages in thread
TopicAuthorDate
MCP3202 ADC problem            01/01/70 00:00      
   Circuit ?            01/01/70 00:00      
      MCP3202 ADC problem            01/01/70 00:00      
         Testing strategy recommendation            01/01/70 00:00      
            Prototype            01/01/70 00:00      
               Could you specify all parts of your circuit?            01/01/70 00:00      
               What is driving the inputs of CD4052?            01/01/70 00:00      
                  Diagram blues            01/01/70 00:00      
                     Why diode in /CS line of MCP3202?            01/01/70 00:00      
                     Voltage divider directly to input of CD4052?            01/01/70 00:00      
                     Pseudo-differential mode?            01/01/70 00:00      
                        Who cares for Psudo?            01/01/70 00:00      
                           You definitely need buffers at the inputs of ADC!            01/01/70 00:00      
                              No violations            01/01/70 00:00      
      Here is CKT & code            01/01/70 00:00      
         Uncommented, unformatted code :-(            01/01/70 00:00      
            connection to CH0 & CH1            01/01/70 00:00      
               Ckt Diagram            01/01/70 00:00      
            Commented code            01/01/70 00:00      
               Some changes needed            01/01/70 00:00      
                  Formatting Forward Slash - not Backslash!            01/01/70 00:00      
                  Setup problem            01/01/70 00:00      
               Togglings needed while /CS is high?            01/01/70 00:00      
                  toggling CLK doesnt help!            01/01/70 00:00      
      A picture is worth a 1000 words            01/01/70 00:00      

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