AD7731: PROCESS CONTROL ADC

Introduction

The AD7731 is a complete analog front-end for process control applications. The device has a proprietary programmable gain front end which allows it to accept a range of input signal ranges including low-level signals directly from a transducer. The sigma delta architecture of the part consists of an analog modulator and a low-pass programmable digital filter, allowing adjustment of filter cutoff, output rate and settling-time.

Documentation

Technical notes are available in Adobe Acrobat Portable Document Format (PDF).
To download the Technical Note, select the link below:

Software

Software to control the AD7731 Evaluation kit. To download the software, select one of the links below:

  • AD7731SW.zip - Win3x, Win95, Win98 (zip, 519,109 bytes)
  • AD7731_2.zip - Win95, Win98, Win2000, WinNT (zip, 3,669,712 bytes)

This evaluation board is available in pdf format:

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