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ADS1675: tradeoff to reduce power consumption? Rbias resistor at for 25Mhz?

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Part Number: ADS1675

Team,

The ADS1675 would be interesting for a project but the nominal power consumption is too high.

-Are there ways to reduce the power consumption significantly? What would be the tradeoff?
In the same condition the consumption is much higher than the ADS127L01.

-For a clock speed of 25Mhz:
    What Rbias resistor values can be used? is 30k OK? What would be the impacts on the performances?
Datasheet only answers for 8, 16 and 32Mhz.

-What is the input impedance of the ADC? Do we have information to dimension the anti-aliasing filter?

Thanks in advance!

A.


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