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LMV225: minimum frequency sensibility

Part Number: LMV225

Dear all,

We are employing the LMV225 in a design for detecting jamming against a cell phone based system. We are using the suggested typical application layout. This design is functioning as expected, in the intended frequency range, that is from 450 to 2000 MHz. But we had the design detecting a 27MHz transmission from an amateur radio.

Is it possible for this component to be sensible to frequencies outside its nominal range? Is it necessary in my design the prevision for filtering frequencies outside the component frequency range?

Thanks.