Thank you for your reply Chris, So if we use 7.3728 or 8 Mhz crystal, do we have any problem with the data rates? "The data rates shown in the datasheet are only valid when using the nominal 7.68 MHz ADC clock." Also, unlike microcontroller on which you have 2 pins for the clock, this ADS IC has only one pin CLKIN for the crystal. So the other three electrodes of the crystal are connected to ground? Thank you, Khoi Ly
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