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Showing 42 results View by: Thread Post Sort by
    Answered
  • RE: ADS7056: Current sense with precision of units of mA and capability of > 60A range?

    Tom Hendrick
    Tom Hendrick
    Resolved
    Hi Emmanuel, Great questions! The parts you are looking at span several different teams here at TI. You landed in the data converter forum so lets start with the ADS7056. 1. The REF1933 actually has dual outputs which are often used as the ADC reference…
    • 3 months ago
    • Data converters
    • Data converters forum
  • Answered
  • RE: REF3030: temperature drift correlation

    Michael Ernst
    Michael Ernst
    Resolved
    Hi MZ, yes, this helps me a lot, thanks for all this info and hints. I understand now more on the backgrounds of it because i'm kind of new to this Overall temperature-drift Topic. Take care Michael
    • over 6 years ago
    • Power management
    • Power management forum
  • Answered
  • REF3030 start-up waveform question?

    Joel Li
    Joel Li
    Resolved
    Other Parts Discussed in Thread: REF3030 Hi team, Here is a question from customer side. Need your explanation. In REF3030 datasheet, the start up process keeps 2 stages: Customer wants to know what the 2 stages stand for? I think it should be soft start…
    • Resolved
    • over 7 years ago
    • Data converters
    • Data converters forum
  • Answered
  • ADC REF with REF3030 LDO

    MARK PESACH
    MARK PESACH
    Resolved
    Other Parts Discussed in Thread: REF3030 hi I am designing layout for delfino TMS320F2837xS ,and i am using the REF3030 LDO for ADC VREF, i have both DGND and AGND, my question is about the REF3030 GND connections : - should i connect ref3030 ground to…
    • Resolved
    • over 7 years ago
    • C2000™︎ microcontrollers
    • C2000 microcontrollers forum
  • RE: TMS320F28377D: Random noise in ADC measurements

    Anton Casas
    Anton Casas
    Hello, Matthew, We are using external reference. I have reviewed the datasheet and I think it is not possible to use internal reference. The external reference circuit we are using is based on the one on the Technical Reference Manual (chapter 11.15.4…
    • over 1 year ago
    • C2000™︎ microcontrollers
    • C2000 microcontrollers forum
  • Answered
  • ADC VREFHI settings for F28377 with ref3030

    Di Jiao
    Di Jiao
    Resolved
    Other Parts Discussed in Thread: REF3030 , LMP7709 , OPA320 , OPA350 , TMDSCNCD28379D , CONTROLSUITE Hi, I am designing the schematic for F28377D and taking the F28377 ControlCard as reference. In the F28377 ControlCard the ADC module uses two ref3030 and…
    • Resolved
    • over 7 years ago
    • C2000™︎ microcontrollers
    • C2000 microcontrollers forum
  • Initial accuracy in Load condition of REF3030

    Saemyi Jeon
    Saemyi Jeon
    Other Parts Discussed in Thread: REF3030 Hi all, I would like to know initial accuracy in Load condition and drop voltage when load current flow more than 25mA . Please refer to the following specification. Input voltage: 3.1~3.2V load current: several…
    • over 9 years ago
    • Amplifiers
    • Amplifiers forum
  • RE: TMS320F28379D: ADC sampling transition

    Bruce(Shanghai) Liu
    Bruce(Shanghai) Liu
    One thing needs to be added, the customer's ADC voltage reference uses REF3030 to directly connect to the 4 voltage reference pins, without RC filtering and buffer. However, there should not be such differences between different ADC groups
    • over 2 years ago
    • C2000™︎ microcontrollers
    • C2000 microcontrollers forum
  • Answered
  • RE: TMS320F280049: Why ADC gain error marked greater while using internal reference than that while using external reference?

    Devin Cottier
    Devin Cottier
    Resolved
    Hi Arthur, In internal reference, the gain error includes the inaccuracy of the on-chip bandgap voltage reference (over temperature, voltage, and process variation). In external reference, the error in the voltage reference is not included (because it…
    • over 2 years ago
    • C2000™︎ microcontrollers
    • C2000 microcontrollers forum
  • Answered
  • RE: TMS320F28386D: Using ADC reference voltage equal to VDDA

    Sebastian Ausserwoeger
    Sebastian Ausserwoeger
    Resolved
    [Moderator Edit] See resolution in next reply down. Hi Devin, thanks for the feedback. I'm aware that tying VREFHI to VDDA to directly can introduce some noise into the ADC - but it's good to know that it's possible in general. In the meantime…
    • over 2 years ago
    • C2000™︎ microcontrollers
    • C2000 microcontrollers forum
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