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Analog input module

Products and reference designs
Block diagram

Analog input module

Block diagram

Overview

Our integrated circuits and reference designs help you build analog input modules with high-channel density, high common-mode voltages and out-ruling miswiring protection.

Design requirements

Analog input modules often require:

  • Increased speed for precision signal chain.
  • High voltage analog multiplexer.
  • Advanced protection and diagnostics.
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Technical documentation

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Technical article Isolators as insulators: using isolation for electrical safety PDF | HTML 28 Sep 2023
Technical article What’s next for Industry 4.0? The best new technologies shaping the future of smar PDF | HTML 26 Jul 2023
Application note AM335x Reliability Considerations in PLC Applications (Rev. A) 22 Oct 2015
Product overview Isolated Power Topologies for PLC I/O Modules and Other Low-Power Applications (Rev. A) PDF | HTML 20 Aug 2024
Technical article Where shrinking makes sense: improving isolated, split-rail power designs in indus PDF | HTML 18 Sep 2023
Application note Simplifying EFT, Surge and Power-Fail Protection Circuits in PLC Systems (Rev. D) PDF | HTML 11 May 2022
Application note Output Power Port Protection in PLC Systems 11 May 2022
Application note Importance of Latency in Factory Automation (Rev. A) 11 May 2022
White paper Signal and Power Isolation Considerations for Compact, Efficient Analog Input PDF | HTML 10 May 2022
Application brief Supporting High Voltage Common Mode Using Difference Amplifier PDF | HTML 10 May 2022
Application brief Protecting I/O modules from surge events 08 May 2022
Application brief 16-Bit 8-Channel PLC Analog Input Module with High Voltage (±150 V) Common Mode 08 May 2022
Application brief Multichannel Analog Input Modules for PLC Equipment 05 Jan 2019
Application brief Supporting High Voltage Common Mode Using Instrumentational Amplifier PDF | HTML 04 Apr 2025
Technical article Who tampered with my PLC? Are industrial control systems too flexible? PDF | HTML 01 Aug 2023

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