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DAC converter

Discussion in 'General Electronics Discussion' started by graemeian, Jun 9, 2017.

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  1. graemeian


    Oct 2, 2014
    I am using LTspice to help me design a circuit board. On my board, I need a DAC where I input through a parallel port and output an analog response. The DAC will drive an op amp to generate the required voltage levels (0-30v). I am more concerned with getting a sharp transition time then generating a precise voltage. I need about 5 different voltages.
    Many companies make high speed DACs including Linear Technology but I am having trouble finding spice models for DACs.
    I simply want to toggle some of the MSBs of the DAC and find the transition times. Where can one find spice models for these devices?
  2. BobK


    Jan 5, 2010
    Normally from the manufacturer.

    davenn likes this.
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