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    1. AD7124-4 channel is not working

      Forum Thread
      Answered
      Precision ADCs
      04 March, 2025
      Hi, I am using 4 x AD7124-4 4-Channel, Low Noise, Low Power, 24-Bit ADC with two 4-wire Pt100 sensor. Each sensor having it's own separate RefIn pins. Out of 4 ADC, two ADCs are working fine. The other Twos are having issue with it's …
      channel issuehardwareMultiplexed A/D ConvertersPrecision A/D Convertersad7124-4ad7124

    2. CN0383 / AD7124-8 PT100 RTD ratiometric measurement if PT100 is open wire then ADC reference is off ?

      Forum Thread
      Answered
      Precision ADCs
      18 February, 2025
      Hello, The RTD measurements with an ADC made with a ratiometric measurements where a single IDAC excitationcurrent source and a the voltage accross the Reference resistance is used as voltage reference for the ADC. My question is: What happens if an RTD sensor is cut (fails and it become equivelent …
      ad7124-8hardwareMultiplexed A/D Converterspt100cn0383Precision A/D Convertersrtdad7124

    3. AD7124-8: REF_DET_ERR is always reported even though the measured reference is above 0.7V.

      Forum Thread
      Answered
      Precision ADCs
      31 October, 2024
      Hello all, I am using the AD7124-8 and i am trying to incorporate some wire break detection using the reference detect diagnostic. I am using continuous mode and I can get good data to return from the adc conversion. However, immediately after the conversion I check the REF_DET …
      ad7124-8softwareMultiplexed A/D ConvertersPrecision A/D Convertersad7124

    4. Issue with RTD Measurements Becoming Inaccurate After Disconnecting One RTD (AD7124-8)

      Forum Thread
      Answered
      Precision ADCs
      22 October, 2024
      Hello, I'm working on a project where I'm measuring 4 RTDs (PT1000) using the AD7124-8 connected to a STM32 microcontroller over SPI. I'm using a 3-wire RTD measurement configuration and have set up current excitation through the IOUT0 and IOUT1 pins, which are shared between …
      ad7124-8hardwareMultiplexed A/D ConvertersPrecision A/D Convertersad7124

    5. AD7124 on Petalinux for Zynq SoC:: error while loading kernel module: "ad7124: probe of spi1.0 failed with error -2 "

      Forum Thread
      Answered
      Linux Software Drivers
      8/6/2024 1:29:32 AM
      … user mod SPI device driver support". After compilation I connect to the system, and then try to activate the SPi device and I get: # modprobe ad7124 [ 855.870532] ad7124: probe of spi1.0 failed with error -2 and below, I get some values related to the devices: root@petalinux:~# cat …
      ad7124-8hardwareMultiplexed A/D Convertersdevice-treedriverpetalinuxPrecision A/D Convertersad7124

    6. Issues with Constant Readings When Connecting Strain Gauges to AD7124-8 in Quarter and Half Bridge Configurations

      Forum Thread
      Answered
      Precision ADCs
      23 April, 2024
      … for this type of application and could suggest configuration adjustments?Are there special considerations regarding power supply or adjustments to gain and filtering on the AD7124-8 that should be considered?Additional ADC Configuration: Details about gain settings, sampling rate, applied filters, and any other relevant AD7124-8 settings.I …
      Datasheet/Specsad7124-8Multiplexed A/D Converterswheatstonewiresstrain gaugesPrecision A/D Convertersad7124

    7. AD7124: System Offset & Gain Calibration

      Forum Thread
      Answered
      Precision ADCs
      08 February, 2024
      … to short or instead apply a zero volt for the calibrator? I don't have a provision to short the input terminals of the ADC. Is the accuracy of the AD7124 better if I calibrate the system offset at zero volts (consider not shorting the AIN0 & AIN1)?Thank & Regards Anthony
      softwareSystem OFFSET CalibrationPrecision A/D Convertersad7124

    8. RMS noise of ALDO in AD7124

      Forum Thread
      Answered
      Precision ADCs
      07 December, 2023
      Hi, I plan to use the analog LDO integrated in AD7124-4 soc (the output of REGCAPA). My application is sensitive to noise. However, I have not found any info about the RMS noise of this LDO in the datasheet. Could anyone share some information or experience? Thanks!
      adcad7124-8hardwaread7124-4TRUZMultiplexed A/D ConvertersPrecision A/D Convertersad7124-4ad7124

    9. ad7124-8: What is the max HZ when continuously measuring and cycling through 8 differential channels

      Forum Thread
      Answered
      Precision ADCs
      23 November, 2023
      Hello, I'm trying to determine whether the AD7124-8 is correct for my application. I am attempting to hook up 8 load cells, each with their own differential output such that I can make use of 8 differential channels on the ad7124-8. I want to sample each channel …
      Datasheet/Specsad7124-8Multiplexed A/D ConvertersPrecision A/D Convertersad7124

    10. AD7124-4 Single conversion start with SYNC

      Forum Thread
      Answered
      Precision ADCs
      12 September, 2023
      Hi,I wanted to start a single conversion with the AD7124 using the SYNC pin, but this does not work. First I configure only one channel, then the configuration and after that the filter,then set the ADC to single conversion, CS_EN deleted. after setup I pull the SYNC …
      softwareMultiplexed A/D Converterssingle conversionPrecision A/D Converterssyncad7124-4sync pinad7124