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DAC3482: Request a Design Review.

Louis Han15
Genius 4680 points
Part Number: DAC3482

Hello

I attached DAC3482 design file.

Could you review the DAC3482 design file?

dac3482_sch.pdf

Best regards

  • 0
    TI__Guru 66104 points

    Hi Louis,

    We plan to review this sometimes next week. Could you please advise the end usage of this DAC design? This will help us with the review. Thanks. 

  • 0 in reply to Kang Hsia
    Genius 4680 points

    HI Hsia

    Thanks for your support.

    The applications are broadcast equipment. 

    Best regards

  • 0 in reply to Louis Han15
    TI__Guru 66104 points

    Hi Louis,

    Here are my feedback:

    1. D15p/n to D0p/n are LVDS inputs. There should not need be any series resistances of 22ohm as these resistors will lower the LVDS swing and also change the LVDS bias. The LVDS inputs of the DAC384x have internal termination of 100ohm. If you want to leave the resistors as placeholder, change 22ohm to 0ohm

    This also applies to parity pins, sync pins, and frame pins.

    2. unused DAC output can be connected to ground directly

    R303 and R667 can be 0ohm

    Everything else looks fine to me. Thanks.