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ANALOG DEVICES AD7172-4BCPZ

Analogue to Digital Converter, Sigma-Delta, 24 bit, 31.25 kSPS, Differential, Single Ended

ANALOG DEVICES AD7172-4BCPZ
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Manufacturer Part No:
AD7172-4BCPZ
Order Code:
4016418
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Technical Datasheet:
AD7172-4BCPZ   Datasheet
ECAD / MCAD
Supply Frame Models Link
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Product Overview

AD7172-4 is a low noise, low power, multiplexed, Σ-Δ analogue to digital converter (ADC) with 4- or 8-channel (fully differential/single-ended) inputs for low bandwidth signals. The AD7172-4 integrates key analogue and digital signal conditioning blocks to allow users to configure an individual setup for each analogue input channel in use via the SPI. Integrated true rail-to rail buffers on the analogue inputs and reference inputs provide easy to drive high impedance inputs. It features 3- or 4-wire serial digital interface (Schmitt trigger on SCLK) Serial port interface (SPI), QSPI, MICROWIRE and DSP compatible. Typical applications include process control: PLC/DCS modules (temperature and pressure measurement), medical and scientific multichannel instrumentation and chromatography.
  • AVDD1 = 3V to 5.5V, AVDD2 = IOVDD = 2V to 5.5V, ADC current: 1.5mA
  • Fast and flexible output rate: 1.25SPS to 31.25KSPS
  • Channel scan data rate of 6.21KSPS/channel (161μs settling)
  • Specifications: 17.2 noise free bits at 31.25KSPS, 24 noise free bits at 5SPS and INL: ±2ppm of FSR
  • 85dB rejection of 50Hz and 60Hz with 50ms settling
  • User configurable input channels: 4 fully differential or 8 single-ended channels
  • True rail-to-rail analogue and reference input buffers
  • Internal or external clock
  • 32 lead LFCSP package
  • Operating temperature range from -40 to 105°C

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Technical Documents (2)

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