Maybe an external ADC would be better.
With SPI set for 2 Mhz, and 24 clocks for a sample, takes 12uS. Couple more uS for setting SS low & high.
Maybe an external ADC would be better.
With SPI set for 2 Mhz, and 24 clocks for a sample, takes 12uS. Couple more uS for setting SS low & high.