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  • ADS1247: RTD 4 Wire Measurement upto 1500 Ohms

    Part Number: ADS1247 Other Parts Discussed in Thread: ADS124S08 Tool/software: Greetings Guys, In my process we manufacture sensors and i want to develope Ohm meter or simply a device to measure resistance upto 1500 Ohms. I was thinkg for RTD 4 Wire measurement…
    • Resolved

  • RE: ADS1247: Differential Voltage Measurement by using ADS1247

    Hi VIGNESH V, Understood, thanks for providing this information Keep in mind that the ADS1247 PGA has common-mode input range requirements that requires the inputs and outputs to be 100mV from the rails. See equation 5 in the datasheet for example. Therefore…

  • RE: ADS1247: START and SYNC Commands

    Hi George Sarkees, The SYNC command just restarts the conversion, basically the same as taking START high. I don't know why this would change the behavior of your system. Also, the datasheet explicitly says not to mix using the commands and START pin…

  • RE: ADS1247: Anti-aliasing and filtering with software.

    Hi Nimit Vachhani, Yes, the ADS1235 is our highest precision ADC for bridge measurements. I would recommend using the ADS1235 compared to the ADS1247 for this application -Bryan

  • ADS1247: When using ADS1247 to read 10K NTC temperature sensor ADC, there will be a cycle fluctuation of about 10 seconds

    Part Number: ADS1247 Tool/software: Read a 10 KNTC temperature sensor and configure a 39K sampling resistor for periodic fluctuations at room temperature. Using an external reference voltage source, a 50uA current source, PGA = 1, and DR =80SPS, there…
    • Answered

  • ADS1247: 18 Channel Multiplexing

    Resolved
    Other Parts Discussed in Thread: ADS1247 , ADS124S08 Tool/software: Hello All, I need 18 RTD channel interfacing with one SPI channel of FPGA. Please suggest how to interface ADS1247 with FPGA . I can not spare 18 CS pins for SPI chip selection. Can i…
    • Resolved
    • Answered

  • ADS1247: Stability Issue

    Resolved
    Part Number: ADS1247 Other Parts Discussed in Thread: ADS124S06 Greetings Everybody, I have made a pcb using ADS1247. I am connecting 4 wire load cell to ADS1247. One thing i have noticed is that ADS1247 output varies a lot. I have also cross checked…
    • Resolved

  • ADS1247: data rate error definition? estimation of error in a conversion?

    TI Thinks Resolved
    Part Number: ADS1247 Team, In the data sheet on page 18, the "Data rate error" is indicated in a diagram: -Could you please clarify the meaning? -Is this the error that is caused exclusively in the digital area of the ADC? or is it the sum of…
    • Answered

  • ADS1247: REFOUT/REFCOM floating

    Resolved
    Part Number: ADS1247 Hi, support team My customer has the questions as follow: When using ADS1247 external reference voltage, if I float REFOUT/REFCOM pin, I want to know the answers to the following questions： 1. What impact will it have on chip use…
    • Resolved

  • RE: ADS1247: Can anyone say (by photo) is this ADS1247 fake or not

    Hi Bryan! Thank you very much for clarification! I think this issue is answered now. The ADCs aren't fake)

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