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???
08/23/10 18:11
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#178251 - Yes, it's costly...
Responding to: ???'s previous message
...but still the best solution (extra high precision, easy to interface to a micro, easy to configure (0...20mA, 4...20mA, etc.) and requiring very little board space. Amazing cost-benefit ratio...

By the way, a good DAC with three wire interface isn't much less expensive.

Anita said:
I think i have to try the existing 8bit PWM first.

Which Silabs micro do you use? Erik already mentioned, that most of them support 16PWM.

Kai Klaas

List of 28 messages in thread
TopicAuthorDate
Frequency to 4-20mA convertion            01/01/70 00:00      
   requirement?            01/01/70 00:00      
   The Traditional...            01/01/70 00:00      
   Isolated MCU the current interface            01/01/70 00:00      
      requirement details            01/01/70 00:00      
         Range and resolution two separate things            01/01/70 00:00      
            How to increase resolution            01/01/70 00:00      
               An ADC doesn't need to be scaled 1 mS/cm for each tick            01/01/70 00:00      
         all SILabs chips I know ...            01/01/70 00:00      
         AD420            01/01/70 00:00      
            AD420 is costly            01/01/70 00:00      
               Yes, it's costly...            01/01/70 00:00      
                  agreed            01/01/70 00:00      
                     Implementing 16-bit PWM Using the PCA            01/01/70 00:00      
                        Trial Successful ! :)            01/01/70 00:00      
                           Well done            01/01/70 00:00      
                           Congrat            01/01/70 00:00      
                           thank you            01/01/70 00:00      
                              Re: thank you            01/01/70 00:00      
                                 Capacitor & Inductor Calculations            01/01/70 00:00      
                                    A blind request for one eye.......            01/01/70 00:00      
                                       Why inductors??            01/01/70 00:00      
                                          Re: Why inductors??            01/01/70 00:00      
            AD420 minimum 12V supply            01/01/70 00:00      
               Because...            01/01/70 00:00      
                  Sales arguement            01/01/70 00:00      
         PWM will probably be lowest cost            01/01/70 00:00      
   Several ways...            01/01/70 00:00      

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