Bipolar +/-10V Output from a Unipolar DAC for Industrial Voltage Drivers
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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
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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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Bill of Materials (BOM)
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TI Devices (3)
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| 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
Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.
Step 1: Download and install the free download.
Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.
Step 1: Download and install the free download.
Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
Step 3: Open the .bxl file with the Ultra Librarian software.
You can always access the complete CAD/CAE Symbols database at http://webench.ti.com/cad/
Both PCB footprints and schematic symbols are available for download in a vendor neutral format, which can then be exported to the leading EDA CAD/CAE design tools using the Ultra Librarian Reader. The reader is available as a (free download.).
The UL Reader is a subset of the Ultra Librarian toolset that can generate, import, and export components and their attributes in virtually any EDA CAD/CAE format.
Technical Documents
View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.
User guides (1)
| Title | Abstract | Type | Size (KB) | Date |
| | | PDF | 539 |
18 Jun 2013
|
Design files (3)
| | | ZIP | 930 |
20 Sep 2013
|
| | | PDF | 83 |
20 Sep 2013
|
| | | PDF | 104 |
20 Sep 2013
|
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