FPGA Firmware Example of How To Interface Altera FPGAs to High-Speed LVDS-Interface Data Converters TIDA-00069 (ACTIVE)

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Description

This reference design and the associated example Verilog code can be used as a starting point for interfacing Altera FPGAs to Texas Instruments' high-speed LVDS-interface analog-to-digital converters (ADC) and digital-to-analog converters (DAC). The firmware implementation is explained and the required timing constraints are discussed.

Features
  • This design is Firmware only and is discussed in detail to aid understanding
  • Example Verilog code is an easy starting point for FPGA to high-speed data converter applications
  • Design is easily expanded to other TI high-speed data converters
  • The ADC and DAC portions are split in case only one is required
  • Interface timing constraints are discussed in detail for the DAC and ADC
  • Firmware was tested using readily available TI EVMs

See the Important Notice and Disclaimer covering reference designs and other TI resources.


  



Schematic/Block Diagram

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Test Data

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TI Devices (6)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
ADS4249  Dual-Channel, 14-Bit, 250-MSPS Analog-to-Digital Converter (ADC)  Analog-to-digital converters (ADCs)  Sample & Buy View Design Kits & Evaluation Modules
DAC3482  Dual-Channel, 16-Bit, 1.25-GSPS, 1x-16x Interpolating Digital-to-Analog Converter (DAC)  Digital-to-analog converters (DACs)  Sample & Buy View Design Kits & Evaluation Modules
TPS74201  Single-output 1.5-A LDO regulator, adjustable (0.8V to 3.3V), any or no cap, programmable soft start  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS74401  Single-output 3A LDO regulator, adj (0.8V to 3.3V), fast transient response, programmable soft start  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS74701  Single-output 500mA LDO regulator, adjustable (0.8V to 3.6V), programmable soft start  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS796  Ultralow-Noise, High PSRR, Fast, RF, 1-A Low-Dropout Linear Regulators  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
ADS4249 Download Download
DAC3482 Download -
Download Download
TPS74201 Download Download
Download Download
Download Download
TPS74401 Download Download
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TPS74701 Download Download
TPS796 Download
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Technical Documents

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User guides (1)
Title Type Size (KB) Date
Multiple Files   10 Jul 2012
Design files (2)
Title Type Size (KB) Date
ZIP 191 10 Dec 2013
ZIP 815 04 Dec 2013
More literature (1)
Title Type Size (KB) Date
ZIP 37 10 Dec 2013

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