TIPD164

Analog Input Module for Industrial Outputs and Temperature Sensors Reference Design

TIPD164

Design files

Overview

This reference design that is precision verified implements an analog input module for industrial voltages, currents and temperature sensors.  For industrial outputs, the possible input ranges include: 4 to 20 mA, 0 to 20 mA, +/-25 mA, 0 to 5 V, 0 to 10 V, +/-5 V and +/-10 V. The design includes conditioning and level-shift circuitry which converts large industrial outputs into a proper input range for a +5V delta-sigma ADC. The ADC has features to directly acquire information from the RTD and thermocouple sensors over their full temperature range.

Features
  • Includes theory, component selection, TINA-TI simulation, PCB schematic and layout, bill of materials and measured performance
  • Voltage input range:  +/-10 V, 0 to 10V , +/-5V , 0 to 5 V
  • Current input range:  +/-24 mA, 0 to 20 mA, 4 to 20 mA
  • 3-wire RTD temperature range:  -200 to 850°C
  • Thermocouple range:  -210 to 1190°C
  • Thermocouple cold junction compensation range:  0 to 50°C

A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDC825.ZIP (1022 K)

Detailed schematic diagram for design layout and components

TIDRC86.PDF (319 K)

Detailed schematic diagram for design layout and components

TIDRC87.PDF (72 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

Products

Includes TI products in the design and potential alternatives.

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Precision ADCs (<=10MSPS)

ADS124824-Bit, 2kSPS, 8-Ch Delta-Sigma ADC for Precision Sensor Measurement

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Precision ADCs (<=10MSPS)

ADS126232-bit 38-kSPS 10-ch delta-sigma ADC with PGA and voltage reference for factory automation

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Precision ADCs (<=10MSPS)

ADS126332-bit 38-kSPS 10-ch delta-sigma ADC with PGA, VREF and auxiliary ADC for factory automation

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Series voltage references

REF50252.5-V, 3-µVpp/V noise, 3-ppm/°C drift precision series voltage reference

Data sheet document-pdfAcrobat PDF open-in-new HTML

Technical documentation

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* User guide Analog Input Module for Industrial Outputs and Temperature Sensors Aug. 13, 2014

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