16-Bit Analog Output Module Reference Design for Programmable Logic Controllers (PLC)
TIDA-00118
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Key Document

Description

This reference design provides a complete 4-channel, 16-bit analog output module design for Programmable Logic Controllers (PLCs). It is designed and fully tested to meet IEC61000-4 EMC and surge requirements for industrial automation systems. The small form-factor design implements four 16-bit digital-to-analog converters with integrated output drivers capable of driving several current and voltage output ranges.  Digital data and control lines are galvanically isolated from the PLC host using TI’s high-speed, 4242-volt peak, digital isolator technology. The design also includes an over-current protected, isolated power supply providing all necessary module voltages. With full documentation, test results, design files and necessary firmware, the design  makes it easier to evaluate complete signal chain performance and reduces time to market.

Features
  • Designed to comply with IEC61000-4 standards for ESD, EFT and Surge
  • 4-Channel 16-bit DAC based configurable Analog Outputs
  • Voltage Outputs: ± 10V, 0 - 10V, ± 5V, 0 - 5V
  • Current Outputs: 0 - 20 mA, 4 - 20 mA, 0 - 24mA
  • Voltage Output Accuracy: +/- 0.2% FSR and Current Output Accuracy: +/- 0.2% FSR
  • Designed with output filtering, protection circuitry and integrated 15kV ESD protection
  • 24VDC powered with onboard isolated power supplies

 


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Schematic/Block Diagram

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Design Files

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TI Devices (11)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DAC7750  12-bit, single-channel, programmable current output DAC for 4-20mA current loop applications  Digital-to-analog converters (DACs)  Sample & Buy View Design Kits & Evaluation Modules
DAC7760  12-bit, single-channel, programmable current/voltage output DAC for 4-20mA current loop applications  Digital-to-analog converters (DACs)  Sample & Buy View Design Kits & Evaluation Modules
DAC8750  16-Bit Single-Channel Programmable Current Output DAC for 4-20mA Current-Loop Applications  Digital-to-analog converters (DACs)  Sample & Buy View Design Kits & Evaluation Modules
DAC8760  16-Bit Single-Channel Programmable Current/Voltage Output DAC for 4-20mA current loop applications  Digital-to-analog converters (DACs)  Sample & Buy View Design Kits & Evaluation Modules
ISO7141CC  4242-VPK Small-Footprint and Low-Power 3/1 Quad Channel Digital Isolator with Noise Filter  Isolation  Sample & Buy View Design Kits & Evaluation Modules
LM5017  7.5-100V Wide Vin, 600mA Constant On-Time Synchronous Buck Regulator  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
LM5069  Positive High Voltage Hot Swap / Inrush Current Controller with Power Limiting  Power switches  Sample & Buy View Design Kits & Evaluation Modules
OPA188  Precision, Low-Noise, Rail-to-Rail Output, 36V Zero-Drift Operational Amplifier  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
TPS7A16  60-V, 5-µA IQ, 100-mA low-dropout (LDO) voltage regulator with enable and power good  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS7A30  Vin -3V to -36V, -200mA, Ultra-Low-Noise, High-PSRR, Low-Dropout (LDO) Linear Regulator  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS7A47  36-V, 1-A, 4.17-μVRMS, RF low-dropout (LDO) voltage regulator  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DAC7750 Download
DAC7760 Download -
Download Download
DAC8750 Download
DAC8760 Download -
Download Download
ISO7141CC Download Download
LM5017 Download Download
Download Download
LM5069 Download Download
OPA188 Download Download
Download Download
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TPS7A16 Download Download
Download Download
TPS7A30 Download Download
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TPS7A47 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 11898 09 Jan 2014
Design files (4)
Title Type Size (KB) Date
PDF 3701 29 Jan 2014
ZIP 740 29 Jan 2014
ZIP 28 29 Jan 2014
PDF 402 29 Jan 2014
More literature (2)
Title Type Size (KB) Date
PDF 552 13 Mar 2015
PDF 783 21 Aug 2014
Related Tools & Software

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TI Design Network  ( 1 )

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Name Part Number Company Headquarters Location Tool Type
BeagleBone Black Development Board  BEAGLEBK  BeagleBoard.org Foundation     Evaluation Modules & Boards 

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