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Virtex Synthesizable Delta-Sigma DAC

Document Type: Technical Information

Size: 53.55KB

Download Count: 80

Published time: 2020.06.26

Introduction

Digital to analog converters (DACs) convert a binary number into a voltage directly proportional to the value of the binary number. A variety of applications use DACs including waveform generators and programmable voltage sources. This application note describes a Delta-Sigma DAC implemented in a Virtex FPGA. The only external circuitry required is a low pass filter comprised of just one resistor and one capacitor. Internal resource requirements are also minimal. For example, a 10-bit DAC uses only three Virtex CLBs. The speed and flexible output structure of the Virtex series FPGAs make them ideal for this application.


  • XC2S100-5PQ208C

    Manufacturer:Xilinx

  • FPGA Spartan-II Family 100K Gates 2700 Cells 263MHz 0.18um Technology 2.5V 208-Pin HSPQFP EP
  • Product Categories: Embedded - FPGAs (Field Programmable Gate Array)

    Lifecycle:Active Active

    RoHS: No RoHS

  • XC3020-10PG84C

    Manufacturer:Xilinx

  • Xilinx PGA
  • Product Categories:

    Lifecycle:Any -

    RoHS: -

  • XC3020-125PC68C

    Manufacturer:Xilinx

  • FPGA XC3000 Family 1.5K Gates 64 Cells 125MHz 5V 68-Pin PLCC
  • Product Categories:

    Lifecycle:Obsolete -

    RoHS: No RoHS

  • XC4010TM-5PQ208C

    Manufacturer:Xilinx

  • Xilinx QFP
  • Product Categories:

    Lifecycle:Any -

    RoHS: -

  • XC2S100-6FG256C

    Manufacturer:Xilinx

  • FPGA Spartan-II Family 100K Gates 2700 Cells 263MHz 0.18um Technology 2.5V 256-Pin FBGA
  • Product Categories: FPGAs

    Lifecycle:Active Active

    RoHS:

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