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2 adicional ADC input's for  ADAU1701 and 3 different filter selection

Question asked by CelsoSC on Mar 17, 2010
Latest reply on Mar 18, 2010 by CelsoSC
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kind like to know the simplest way to have 2 more ADC inputs on the ADAU1701. And how could I configure 3 different filters and recall it over push-buttons when running in self-boot mode.




Filter 1 - 2nd. order hi/low pass 20Hz - 200 Hz;


Filter 2 - 2nd. order hi/low pass 200Hz - 2000 Hz;


Filter 3 - 2nd. order hi/low pass 2000Hz - 20000 Hz