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SGTL5000 CPFILT in battery powered applications

Question asked by jonathan pry on Jan 7, 2016
Latest reply on Jan 8, 2016 by igorpadykov

Regarding the SGTL5000 datasheet, on page 4, Table 1, it lists that the CPFILT must be installed if VDDIO and VDDA are both < 3.0V, otherwise it must not be installed.

 

In my application one of both of these supplies will be battery powered with a range of 2.0 - 3.3 volts. Is this configuration not possible because of the charge pump?

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