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Analog Devices, Inc - AD7176-2 ADC Achieves Twice the Speed - 6 December 2012

Introducing a new multiplexed 24-bit sigma-delta A/D converter that doubles the throughput rate while dissipating less power.

AD7176-2 is a fast settling, highly accurate, high resolution, multiplexed Σ-Δ analog-to-digital converter (ADC) for low bandwidth input signals.

The AD7176-2 can be designed into circuits together with ADI's single-supply, low-noise, low-offset AD8656 CMOS amplifier and single supply, attenuating input stage, AD8475 differential driver.

  Product page  Datasheet

  • Fast and flexible Output Rate - 5SPS to 250KSPS
  • Fast Settling Time - 20µs
  • Channel Scan Data Rate of 50 kSPS/channel
  • Performance Specifications:
    17 noise free bits @ 250 kSPS
    20 noise free bits @ 2.5 kSPS
    22 noise free bits @ 5 SPS
    INL 2.5 ppm of FSR
  • 85dB rejection of 50 Hz and 60 Hz with 50 ms settling
  • User Configurable-Input channels
  • On chip 2.5V reference (drift 2 ppm/°C)
  • Operating temperature range is -40°C to +105°C
  • AD7176-2 is housed in a 24-lead TSSOP package

  • Applications
  • Process control : PLC/DCS modules
    Temperature and pressure measurement
  • Medical and scientific multichannel instrumentation
  • Chromatography

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