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AD9208 Power at lower sampling rates

Question asked by bsalz@work on Sep 7, 2017
Latest reply on Sep 8, 2017 by UmeshJ

Hi there,

 

Figure 38 in the datasheet for the AD9208 shows converter power over sample frequency, but only goes down to 2400 MS/s. Is there any data down to 750 MS/s? 

 

Interpolating the power graph, we assume the digital and driver power is relatively constant and the analog power will go down linearly. This leads to a guess at ~2.5W when using it around 750 MS/s. Does this seem valid at a high level?

 

Thanks,

Brady

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