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AD7172-4BCPZ-RL7
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AD7172-4BCPZ-RL7

  • Category:ADC analog-to-digital converter
  • Product Name:Low power, 4/8-channel, 24-bit, 31.25 kSPS, sigma-delta ADC with true rail-to-rail buffer
  • Manufacturers:AD
  • Production Batch Number:15+
  • Encapsulation:24TSSOP
  • Stock Status:There is stock
  • Stock Quantity:230
  • Minimum order quantity: 1
  • Details:Click here to find pdf information on the AD7172-4BCPZ-RL7
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  • Product introduction

Advantages and features

  • Fast and flexible output rates: 1.25 SPS to 31.25 kSPS
  • Channel scan data rate: 6.21 kSPS/channel (161 μs settling time)
  • Performance specifications
    No noise level at 31.25 kSPS: 17.2
    No noise bit at 5 SPS INL: ±2 ppm of 24 FSR
  • 50 Hz and 60 Hz rejection: 85 dB with 50 ms settling time
  • User-configurable input channels
    4 fully differential channels or 8 single-ended channels
    Crosspoint multiplexer
  • True rail-to-rail analog and reference input buffer
  • Internal or external clock

  • Product details

    AD7172-4It is a low noise, low power consumption, multiplexed Σ-Δ typeAnalog-to-digital converters(ADC) with 4/8 channel (fully differential/single-ended) inputs for low bandwidth signals. For fully settled data, the AD7172-4 has a maximum channel scan rate of 6.21 kSPS (161 μs). The output data rate range is 1.25 SPS to 31.25 kSPS.

    The AD7172-4 integrates key analog and digital signal conditioning blocks that allow the user to configure each analog input channel in use individually via SPI. Integrated true rail-to-rail buffers at the analog and reference inputs provide high-impedance inputs that are easy to drive.

    The digital filter allows simultaneous rejection of 50 Hz and 60 Hz at an output data rate of 27.27 SPS. The user can switch between different filter options based on the needs of each channel in the application, and further digital processing functions, such as offset and gain calibration registers, are available and can be configured on a per-channel basis. General-purpose input/output (GPIO) controls an external multiplexer and synchronizes to the ADC conversion timing. The AD7172-4 is specified over the −40°C to +105°C temperature range. Available in 5 mm × 5 mm, 32-pin LFCSP packages.

    Note that throughout the data sheet, dual function pin names are referenced only by relevant functions.


    apply
    • Process control: PLC/DCS module
      Temperature and pressure measurement
    • Medical & Scientific Multichannel Instrumentation
    • Chromatography machine

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