Product News

24-Bit Sigma Delta A/D Converter

Analog Devices recently announced a 24-bit sigma-delta A/D converter with a fast and flexible output data rate for high-precision instrumentation and process control applications

The AD7175-2 converter delivers 24 noise-free bits at 20 SPS and 17.2 noise-free bits at 250 ksps providing you with a wider dynamic range. With twice the throughput for the same power consumption versus competing solutions, the AD7175-2 enables faster, more responsive measurement systems providing a 50-ksps/channel scan rate with a 20-µs settling time.Analog-AD7175-2-Product-Release-Image

The integrated, low-noise, true rail-to-rail input buffer enables quick and easy sensor interfacing, reduces design and layout complexity, simplifies analog drive circuitry and reduces PCB area. The AD717x family, with a wide range of pin and software compatible devices, allows consolidation and standardization across system platforms.

According to Analog Devices, the converter gives “designers a wider dynamic range, which enables smaller signal deviations to be measured as required within analytical laboratory instrumentation systems.”

Specs and features:

  • 2x the throughput for the same power consumption in comparison to other devices
  • Enables faster measurement systems providing a 50-ksps/channel scan rate with 20-µs settling time.
  • Integrated true rail-to-rail input buffer for easy sensor interfacing and simplified analog drive circuitry
  • User-configurable input channels
  • 2 differential or 4 single-ended channels
  • Per-channel independent programmability
  • Integrated 2.5-V buffered 2-ppm/°C reference
  • Flexible and per-channel programmable digital filters
  • Enhanced filters for simultaneous 50-Hz and 60-Hz rejection
  • −40°C to +105°C operating temperature range

Source: Analog Devices

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24-Bit Sigma Delta A/D Converter

by Circuit Cellar Staff time to read: 1 min