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AD8646 Spice model

Hello,

Our customer simulate AD8646 with OrCad.

The schematic is voltage follower.

The result is strange?? The gain waveform turns the other way from 150MHz.

Is this the AD8646 performance or spice model bug or wrong simulation?

Should we ignore 150MHz because the bandwidth is up to 24MHz for AD8646?

Please find attached file.