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Full-scale for AD9176 and AD9081

Category: Datasheet/Specs
Product Number: AD9176 and AD9081

AD9176 data sheet promises 

IOUTFS = 15.625 mA + FSC_CTRL × (25/256) (mA)

When IOUTFS = 25.977 mA, Pload was calculated to be 9.26 dBm.

 

Then,AD9081 data sheet promises

IAC = (DACCODE-32768)/65535 × IOUTFS /2,where:DACCODE = 0 to 65535 (decimal).

When IOUTFS = 26.5 mA, Pload was calculated to be 3.3 dBm.

According to the above,When IOUTFS = 25.977Ma, what is the Pload for AD9176 ?

please help.