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  • ADS122U04: ADC stops sending after a random interval of time

    Resolved
    Part Number: ADS122U04 I have the ADS122u04 communicating to a STM32 and this works fine for a while, but after a random amount of time the communication stops, with a UART time out, and I am unable to get anything further from the UART. Software reset…
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  • ADS122U04: Only 2 bytes of Data Format are returned.

    Resolved
    Part Number: ADS122U04 Hi,. I am trying to control the ADS122U044 using micropython. Each register should be read/write fine, but when I do a conversion with Singl-Shot, it returns only 2 bytes of data when it would normally return 3 bytes of data. The…
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    • Answered

  • ADS122U04: IDAC configuration not working

    Resolved
    Part Number: ADS122U04 Other Parts Discussed in Thread: ADS1248 , We are designing a board using the ADS122u04 to replace one designed with the ADS1248 and I'm stuck on configuring the IDAC. I don't seem to be able to get excitation current flowing. The…
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  • ADS122U04: GPIO0 and GPIO1 purpose/use

    Resolved
    Part Number: ADS122U04 What is the purpose of GPIO0 and GPIO1? I can see that GPIO2 can be configured as DRDY, but I can't see any use for GPIO's 0 or 1.
    • Resolved

  • ADS122U04: ADS122U04 measurement Question

    TI Thinks Resolved
    Part Number: ADS122U04 Hello, I am looking at using the ADS122U04 ADC in my measurement system and I had a few questions. We are measuring a strain gauge sensor that outputs a 0-20mA signal. For our application the sensor will output in the range of…
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  • ADS122U04: Question regarding gain in ADC conversion equation

    Resolved
    Part Number: ADS122U04 Hello, I have a question regarding ADC gain in the ADS122U04. In our system we are taking a single ended measurement using a gain of 2 and a vref of 2.048V. I am using the equation LSB = (2 x vref / gain) / 2^24, and then multiplying…
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  • RE: ADS122U04: ADS122U04

    Hello Bob, I have purchased a Gems (UK) make Ratiometric Pressure Transducer - that measures 0 to 16 bar pressure and gives a corresponding output of 0.5 to 4.5VDC. [note: MEAS or Baumer make that works on 5vdc was not available immediately, so went for…

  • ADS122U04: Difference between ADS122U04 and ADS1220?

    TI Thinks Resolved
    Part Number: ADS122U04 Other Parts Discussed in Thread: ADS1220 , , ADS122C04 Hi Expert, Can you help clarify the difference between ADS122U04 and ADS1220? Is digital interface the only difference? (ADS122U04 UART, ADS1220 SPI)? If not, any other upgrade…

  • ADS122U04: ADS122U04

    TI Thinks Resolved
    Part Number: ADS122U04 Hello Bob, Thank you for replying to my earlier query regarding ADS122U04 interfacing with RTD PT100. In the same project I also need to use ADS122U04 for measuring Engine Oil pressure (in heavy vehicles) - using MEAS make M5100 series…
    • Answered

  • RE: ADS122U04: ADS122U04 Communication and Device Setup

    Resolved
    Hello Bob, Thank you for your inputs. As you suggested, I did the following:- a) After Microcontroller powerup [and initialization of UART1 (for communication with ADS122U04) and UART5 (for sending out values to PC for debug purpose)] , I just sent out…

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