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Analog Devices / Maxim Integrated MAXREFDES11 Fresno Reference Design

Analog Devices Inc. MAXREFDES11 Fresno Reference Design is a 16-bit high-accuracy industrial analog front end (AFE) that accepts 0 to 10V signals and features isolated power and data—all integrated into a small form factor. The Fresno design integrates an ultra-precision low-noise buffer (MAX44250); a highly accurate ADC (MAX11100); an ultra-high-precision 4.096V voltage reference (MAX6126); 600VRMS data isolation (MAX14850); and isolated/regulated +5.5V, +5V, and -3V power rails (MAX256/MAX1659/MAX1735). 

This AFE solution can be used in any application that needs high-accuracy analog-to-digital conversion, but it is mainly targeted for industrial sensors, industrial automation, process control, programmable logic controllers (PLCs), and medical applications.

Features

  • High accuracy
  • 0 to 10V Input range
  • Isolated power and data
  • Small printed-circuit board (PCB) area
  • Pmod™-compatible form factor

Applications

  • Industrial sensors
  • Process control
  • Industrial automation
  • PLC
  • Medical

Additional Resources

Block Diagram

Block Diagram - Analog Devices / Maxim Integrated MAXREFDES11 Fresno Reference Design
Published: 2014-02-20 | Updated: 2023-04-18