Bipolar +/-10V Output from a Unipolar DAC for Industrial Voltage Drivers
TIPD125
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Key Document

Description

This Verified Design is for conditioning a low-cost, unipolar, generic DAC into an accurate bipolar signal source using an op amp and 3 resistors. The circuit is designed with reactive load stability in mind and is compensated to drive nearly any conventional capacitive load associated with long cable lengths. 

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Features
  • Conditions 0-2.5V to +/-10V Output
  • 0.1%FSR Uncalibrated Error
  • DAC8560 with 2ppm/°C Internal Reference
  • OPA188 Zero-offset, Zero-Drift Amplifier
  •  

      This Verified Design Includes:

    • Theory
    • Component Selection
    • TINA-TI Simulation
    • Schematics and PCB Layout
    • Verification and Measured Performance
    • Modification Options
  •  


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Schematic/Block Diagram

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Test Data

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Design Files

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TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DAC8560  16-bit, single-channel, low-power, ultra-low glitch, voltage output DAC with 2.5V,2ppm/°C reference  Digital-to-analog converters (DACs)  Sample & Buy View Design Kits & Evaluation Modules
OPA180  0.1-μV/°C Drift, Low-Noise, Rail-to-Rail Output, 36-V, Zero-Drift Operational Amplifier  Operational amplifiers (op amps)  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

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DAC8560 Download Download
OPA180 Download
Download Download
Download
OPA188 Download Download
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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 539 18 Jun 2013
Design files (3)
Title Type Size (KB) Date
ZIP 930 20 Sep 2013
PDF 83 20 Sep 2013
PDF 104 20 Sep 2013
Related Tools & Software

Development Tools (1)

Name Part Number Tool Type
SPICE-based analog simulation program  TINA-TI  Circuit Design & Simulation 

Software (3)



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