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Altera_Forum's avatar
Altera_Forum
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14 years ago

FPGA differential input buffer

Hi,

any idea about how can i use the differential input buffer of the FPGA as a comparator !

Thanks

1 Reply

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    14 years ago

    "How" isn't the question, I suppose. You should ask for the expectable analog performance. FPGA differential input buffers have a limited sensitivity and common mode range compared to dedicated comparators. In my view, they can e.g. serve for level converter purposes.