The Zmod DAC is one of Digilent's first SYZYGY-compliant expansion modules. The SYZYGY standard offers a much higher speed/bandwidth digital interface than Pmods, but at a much smaller and lower-cost form-factor than FMC, enabling the user to configure an FPGA development board with the right I/O for their application.

Driven by the SYZYGY carrier, the Zmod DAC can simultaneously generate two ±5V signals with 14 bits of resolution at a sample rate up to 100MS/s. The analog outputs can be connected to a circuit using SMA cables. 

When coupled to a base board using SYZYGY expansion, like the Eclypse Z7 or Genesys ZU, the combination will serve as a powerful prototyping platform for instrumentation, high-speed control, and SDR products. By utilizing these expansion capabilities, users can spend more time on the analytical and system-level aspects of the solution rather than having to focus on the component-level interactions of the devices. 


  • Channels: 2
  • Channel type: single-ended
  • Resolution: 14-bit
  • Absolute Resolution (amplitude ≤1.25V): 167μV
  • Absolute Resolution (amplitude >1.25V): 665μV
  • Output impedance: 50Ω
  • Sample rate (real time): 100MS/s.
  • AC amplitude (max): ±5 V.
  • Analog bandwidth: 40 MHz @ 3dB, 20 MHz @ 0.5dB, 14 MHz @ 0.1dB
  • Slew rate (2V step): 180V/μs
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