Digital input module

Products and reference designs

Digital input module

Block diagram


Our integrated circuits and reference designs enable you to build a digital input module, enabling isolated power and data transmission, diagnostics and debounce filters.

Design requirements:

Digital input modules often require:

  • Highly efficient isolated power supply.
  • Advanced protection and diagnostics.
  • Precision signal chain for input filtering.

Extend the capabilities of this application

Block diagram

Find products and reference designs for your system.

Technical documentation

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Type Title Date
Technical articles Inductive sensing: setting the sensor current-drive without a fancy impedance analyzer 24 Mar 2016
Technical articles Frequency references: Crystal oscillator operation and specs 20 Nov 2013
Technical articles Inductive sensing: How far can I sense? 17 Jun 2015
Application note How To Simplify Isolated 24-V PLC Digital Input Module Designs (Rev. B) 10 May 2022
Technical articles How to get started with current sense amplifiers – part 3 09 Jul 2015
Application note Protecting I/O modules from surge events 08 May 2022

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