TIDA-00550

Dual Channel-to-Channel Isolated Universal Analog Input Module for PLC Reference Design

TIDA-00550

Design files

Overview

TIDA-00550, a dual channel-to-channel isolated universal analog input module reference design for programmable logic controllers (PLCs), combines precision and flexibility. This reference design, used in conjunction with sensor transmitters, can measure standard input voltages and currents as well as thermocouples, RTD and 4-20-mA loops. With only four input terminals, it is suited for applications where smallest real-estate, high versatility and performance is required at the same time.

Features
  • Voltage measurement up to ±12 V
  • Current measurement up to ±55 mA
  • Thermocouple and 2-wire, 3-wire and 4-wire RTD support
  • 4-20-mA loop power supply
  • Accuracy: <0.002% (25°C); <0.05% (-35°C to 85°C)
  • IEC61000-4-5 class II (±1 kV at 42 Ohm)

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.

TIDUBI1.PDF (2340 K)

Reference design overview and verified performance test data

TIDRKM5.PDF (1461 K)

Detailed schematic diagram for design layout and components

TIDRKM6.PDF (167 K)

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

TIDRKM7.PDF (653 K)

Detailed overview of design layout for component placement

TIDRKN0.ZIP (2146 K)

Files used for 3D models or 2D drawings of IC components

TIDCBV7.ZIP (663 K)

Design file that contains information on physical board layer of design PCB

TIDRKM8.PDF (5531 K)

PCB layer plot file used for generating PCB design layout

TIDRKM9.PDF (3186 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Precision ADCs (<=10MSPS)

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

Data sheet document-pdfAcrobat PDF open-in-new HTML
Boost converters (integrated switch)

TPS61093Low Input, 20V/1.1A Step-Up DC/DC Converter with Integrated Power Diode and Input/Output Isolation

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Comparators

LM2903Dual differential comparator, automotive grade

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Digital isolators

ISO7141CCQuad-channel, 3/1, 50-Mbps digital isolator

Data sheet document-pdfAcrobat PDF open-in-new HTML
Digital temperature sensors

LMT010.5°C Accurate 2-pin Temperature Sensor with a Pulse Train Interface

Data sheet document-pdfAcrobat PDF open-in-new HTML
Isolated DC/DC converters & modules

LM50177.5-100V Wide Vin, 600mA Constant On-Time Synchronous Buck Regulator

Data sheet document-pdfAcrobat PDF open-in-new HTML
Linear & low-dropout (LDO) regulators

TLV704150-mA, 24-V, ultra-low-IQ, low-dropout voltage regulator

Data sheet document-pdfAcrobat PDF open-in-new HTML
Linear & low-dropout (LDO) regulators

TPS7A30200-mA, low-noise, high-PSRR, negative, adjustable low-dropout voltage regulator with enable

Data sheet document-pdfAcrobat PDF open-in-new HTML
Linear & low-dropout (LDO) regulators

TPS7A410150-mA, 50-V, low-IQ, adjustable low-dropout voltage regulator with enable

Data sheet document-pdfAcrobat PDF open-in-new HTML
Linear & low-dropout (LDO) regulators

TPS7A49150-mA, 36-V, low-noise, high-PSRR, adjustable low-dropout voltage regulator with enable

Data sheet document-pdfAcrobat PDF open-in-new HTML
Noninverting buffers & drivers

SN74LVC1G125Single 1.65-V to 5.5-V buffer with 3-state outputs

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

SN74LVC1G332Single 3-input, 1.65-V to 5.5-V OR gate

Data sheet document-pdfAcrobat PDF
Shift registers

SN74AHC5948-Bit Shift Registers With Output Registers

Data sheet document-pdfAcrobat PDF open-in-new HTML
XOR (exclusive OR) gates

SN74LVC2G862-ch, 2-input, 1.65-V to 5.5-V XOR (exclusive OR) gates

Data sheet document-pdfAcrobat PDF

Technical documentation

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* Design guide Dual Channel-to-Channel Isolated Universal Analog Input Module PLC Design Guide Mar. 05, 2016

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