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LM10010 application

David Yu1
Prodigy 60 points
Other Parts Discussed in Thread: LM10010, LM10011, TL431

Can I use two in parallel LM10010 as a 8 bits DA converter feedback?

  • 0
    TI__Intellectual 2320 points

    Hello David,

    LM10010 is a fixed 6bit current DAC.

    LM10011 can be used as a 4bit current DAC.

    Do you have a schematic which you can share? How do you plan to connect the VID digital inputs with the DSP?

    Regards,

    Sourav

  • 0 in reply to Sourav.Sen
    Prodigy 60 points

    Dear Sourav,

     

    Thanks for your correction.

    Yes LM10011 is 4/6 bits DAC.

    My project is simple just conversion 8bits signal from FPGB

    as a feedback voltage to control a flyback adapter output voltage.

    My plan is using one LM10011 for bti0 to bit3 output another LM10011

    for bit4 to bit7.

    Both IDCA_out will connect to the same FB of TL431 ref pin.

     

    regards,

     

    David

  • 0 in reply to David Yu1
    TI__Intellectual 2320 points

    Hello David,

    The design looks right to me.

    The LM10011 can be stacked in parallel. It should work fine.

    Regards,

    Sourav