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Results on Analog.com

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  1. AD7124-4
    Recommended for new designs
    Product
    Multiplexed A/D Converters
    4-Channel, Low Noise, Low Power, 24-Bit, Sigma-Delta ADC with PGA and Reference
    AD7124-4

    PDF

    Datasheet

    Documentation

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    Sample & Buy

    Sample & Buy

  2. AD7124-8
    Recommended for new designs
    Product
    Multiplexed A/D Converters
    8-Channel, Low Noise, Low Power, 24-Bit, Sigma-Delta ADC with PGA and Reference
    AD7124-8

    PDF

    Datasheet

    Documentation

    Ask the Community

    Sample & Buy

    Sample & Buy

  3. Post / Enhanced Filters on AD7124 and AD717x Sigma Delta ADCs
    Video
    May 30, 2017
    3:13
    This video discusses the post / enhanced filter types available on the precision sigma delta converters (AD7124, AD717x) through the virtual eval online tool, highlighting the benefits and trade-offs between these filters. (No Audio)
    Post / Enhanced Filters on AD7124 and AD717x Sigma Delta ADCs
  4. CN0384
    Circuits from the Lab
    Completely Integrated Thermocouple Measurement System using a Low Power, Precision, 24-Bit, Sigma-Delta ADC

    Documentation

  5. CN0545
    Circuits from the Lab
    Completely Integrated, 0.1°C Thermistor Measurement System Using a Low Power, Precision, 24-Bit Sigma-Delta ADC

    Documentation

  6. Precision Sigma Delta Filtering Tutorial
    Video
    Feb 24, 2017
    23:28
    This video discusses the filter types available on the precision sigma delta converters (AD7124, AD717x, AD719x) and highlights the trade-offs needed between the different filter types: rms noise, 50 Hz/60 Hz rejection, settling time/throughput.
    Precision Sigma Delta Filtering Tutorial
  7. Virtual Evaluation (VE) Tutorial
    Video
    Nov 16, 2016
    3:35
    Tutorial about the on-line Virtual Evaluation (VE) tools that are in place for the Sigma-Delta precision analog to digital converters, ADCs. The family of parts are: AD7124, AD717x and AD719x.
    Virtual Evaluation (VE) Tutorial
  8. Overvoltage Protection for RTD-Based Measurement Systems
    Rarely Asked Question

    Yao Zhao

    This article will focus on providing a total solution for multi-wires RTD modules with overvoltage protection function, which is based on AD7124 and overvoltage protection & detection multiplexers and channel protectors, which can help designers understand the principle and choose appropriate devices.
  9. AD4130-8
    Recommended for new designs
    Product
    Multiplexed A/D Converters
    32 μA, Ultra Low Power, 24-Bit Sigma-Delta ADC with Integrated PGA and FIFO
    AD4130-8

    PDF

    Datasheet

    Documentation

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    Sample & Buy

    Sample & Buy

  10. AD4131-8
    Recommended for new designs
    Product
    Multiplexed A/D Converters
    32 μA, Ultra Low Power, 16-Bit Sigma-Delta ADC with Integrated PGA
    AD4131-8

    PDF

    Datasheet

    Documentation

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    Sample & Buy

    Sample & Buy

Results on EngineerZone

4,386
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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. P100 interfacing with AD7124 EVAL BOARD

      Forum Thread
      Answered
      Precision ADCs
      23 January, 2025
      … t value); uint8_t readStatusRegister(); void setup() { Serial.begin(9600); while (!Serial) { ; } // Wait for Serial Monitor to initialize Serial.println("PT100 ADC Value Debugging with AD7124"); // SPI Setup pinMode(csPin, OUTPUT); digitalWrite(csPin, HIGH); // Set CS high initially SPI.begin(); // Configure ADC configureADC(); } void loop() { // Read Status Register statusValue = readStatusRegister …
      ad7124-8hardwaresoftwareMultiplexed A/D Converterstemperature sensorpt100Precision A/D Convertersad7124

    4. 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

    5. 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

    6. 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

    7. 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

    8. 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

    9. 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

    10. 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