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OPA2189: alternative with 3.3V supply

Stefan Lintner
Expert 4925 points
Part Number: OPA2189
Other Parts Discussed in Thread: OPA388, OPA387, OPA189

Hi team,

I am looking for an alternative to OPA2189 which can support 3.3V supply voltage.

rail-to-rail and MUX friendly are key requirements.

BR,
Stefan

  • +1
    TI__Genius 12505 points

    Hi Stefan,

    Both OPA387 (5 MHz) and OPA388 (10 MHz) are MUX-friendly, they both use a similar switching architecture at the front end as OPA189.  For lowest noise, OPA388 is the best choice, but for lower power, OPA387 is the best.

    Let me know if there is any other questions!

    Regards,
    Mike