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  • RE: TMS320F28335: ADC offset between channels

    Yes, we did follow the guidelines in this pdf. For debug, I programmed the ADC peripheral to convert the same input channel in all ADC internal channels (from 0 to 7) . So the input from REF3020 is really connected only to one DSP analog channel. Doing…
    • Answered

  • TLC2574 Offset error condition

    Resolved
    Other Parts Discussed in Thread: REF3020 , TLC2574 , REF3040 We have a design that is using the TLC2574 in single ended mode. We seem to be seeing a positive offset of ~ 50-100 mV on our expected readings at normal room temperatures. This relates to 10-20…
    • Resolved

  • weird behaviour on F2808....:-/

    Other Parts Discussed in Thread: REF3020 Hi to Everybody! I'm experiencing a strange problem with F2808. I developed a sw for DC-DC converter, and the DSP makes 3 acquisitions on the ADC pins (the ADC is correctly configured for 3 acquisitions).…
    • Answered

  • Re: Offset Compensation incorrect using ADS1242

    Resolved
    Nigel, Regarding 1, when SELFOCAL runs, the inputs are disconnected from the outside world and are internally shorted together. So no, they are not connected to ground. For 2, the method you have been using should be ok, but if there is a slight offset…

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