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Mixed module (AI,AO,DI,DO)

Products and reference designs
Block diagram

Mixed module (AI,AO,DI,DO)

Block diagram

Overview

Our integrated circuits and reference designs enable you to build a mixed module using a combination of analog input (AI), analog output (AO), digital input (DI) and digital output (DO).

Design requirements

Mixed module (AI, AO, DI, DO) designs often require:

  • Highly efficient isolated power supply with advanced protection and diagnostics.
  • Precision signal chain for input filtering.
  • Driving capabilities at 24-V nominal voltage.

Block diagram

Find products and reference designs for your system.

Mixed module (AI,AO,DI,DO)

5V / 24V Backplane 5V / 24VBackplane 24V Field Power 24V Field Power Backplane bus Backplane bus Backplane power Backplane power Signal Isolation Signal Isolation Data Isolation Data Isolation Digital Processing Digital Processing MCU / MPU MCU /MPU BUS ASIC / FPGA BUS ASIC /FPGA Input Power Protection (Field) Input Power Protection (Field) E-Fuse & Protection E-Fuse & Protection Non-Isolated DC/DC Power Supply (Field) Non-Isolated DC/DC Power Supply (Field) DC/DC DC/DC LDO LDO Isolated DC/DC Power Supply Isolated DC/DC Power Supply Isolated DC/DC Isolated DC/DC Input Power Protection (Backplane) Input Power Protection (Backplane) E-Fuse & Protection E-Fuse & Protection Backpane Communication Backpane Communication Ethernet/ LVDS Ethernet/LVDS RS-485 RS-485 Output User Interface Output User Interface LED Driver LED Driver Wireless Interface Wireless Interface NFC NFC Non-Isolated DC/DC Power Supply (Backpane) Non-Isolated DC/DC Power Supply (Backpane) DC/DC DC/DC LDO LDO Supervisor Sequencer Supervisor Sequencer ... ... Signal Input/Output Protection Signal Input/Output Protection Protection Protection ... ... Protection Protection Protection Protection Protection Protection 24V 24V Digital Output Digital Output High-side switch and/or Low side switch High-side switch and/or Low side switch Relay driver Relay driver Digital Input Digital Input Digital Input Digital Input Analog Output Analog Output Reference Reference DAC DAC V2I V2I HART modem HARTmodem Analog Input Analog Input ADC ADC Reference Reference MUX MUX

Technical documentation

View all 4
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Type Title Date
Product overview Isolated Power Topologies for PLC I/O Modules and Other Low-Power Applications (Rev. A) PDF | HTML 20 Aug 2024
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
Analog Design Journal High-side current sources for industrial applications 02 Apr 2019

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