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Apologies for the late reply. If you are only going to use the high current driver, you could check out AD8390, AD8397, AD8016 or AD8018 instead. Will these fit your application? Let me know if you have more questions.
1. AD8390 is a DSL driver. The PD pins adjusts the output power and affects large signal bandwidth. The best explanation for the function of PD(1:0) should be found in figure 5 and table 5 in the datasheet.