Single-Channel, Isolated, 3-Wire Current Loop Transmitter Reference Design TIDA-01536 (ACTIVE)

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Key Document

Description

This single-channel, input-isolated, three-wire current loop transmitter reference design provides a current range of 0 mA to 20 mA while operating on a 24-V supply. The design features a precision digital-to-analog converter (DAC) with an internal reference voltage, integrated three-wire current loop transmitter, and a digital isolator to realize the circuit goals. Protection circuitry is included to pass the IEC61000-4 tests.

Features
  • Analog output for factory automation and control
  • 16-bit resolution
  • 0-mA to 20-mA current output
  • Protected against IEC61000-4 transients
  • 3-wire SPI input

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Design Guide

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Design Files

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TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DAC8551  16-Bit, Ultralow Glitch, Voltage Output, Digital to Analog Converter  Digital-to-analog converters (DACs)  Sample & Buy View Design Kits & Evaluation Modules
ISO7340C  Robust EMC, Low Power, Quad-Channel 4/0 Digital Isolator, Fail-Safe High  Isolation  Sample & Buy View Design Kits & Evaluation Modules
REF5050  3 µVpp/V Noise, 3 ppm/°C Drift Precision Series Voltage Reference  Voltage references  Sample & Buy View Design Kits & Evaluation Modules
XTR111  Precision Voltage-to-Current Converter/Transmitter  Special function amplifiers  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DAC8551 Download Download
ISO7340C Download Download
REF5050 Download Download
Download Download
XTR111 Download Download
Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 1986 26 Jun 2018
Design files (6)
Title Type Size (KB) Date
PDF 107 26 Jun 2018
PDF 58 26 Jun 2018
ZIP 58 26 Jun 2018
ZIP 510 26 Jun 2018
PDF 461 26 Jun 2018
PDF 77 26 Jun 2018

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