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DAC3482: Sampling Frequency @ 1.25 GHz

Roy Rehavi
Prodigy 10 points
Part Number: DAC3482

1. Does Sampling rate of 1.25GHz achievable only by interpolation?  

2. What is the Clk that needed for the following modes? 

  • 0
    TI__Guru 67824 points

    Roy

    Roy Rehavi said:
    1. Does Sampling rate of 1.25GHz achievable only by interpolation?

    Yes, the maximum interface rate of the DAC3482 is listed on the spec as 625MSPS only. Therefore, to achieve 1.25GSPS DAC rate, you will need interpolation

    Roy Rehavi said:
    2. What is the Clk that needed for the following modes? 

    This is a very broad question that you will need to refer to the datasheet for detail. The datasheet will explain the clocks needed for the PLL reference clock, DATACLK, and OSTR. Please refer to appropriate sections. There are equations associated for each mode. We can address specific questions if the customer has specific concerns.