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LPC1830 ADC specs

Question asked by Yoshiyuki Okada on Dec 7, 2018
Latest reply on Apr 10, 2020 by Ray Liao

Hi community team,


I'm checking an ADC specs of LPC1830 and I have some questions as blew;


1. What is a Ri?  The Ri is not shown in "Fig 40. ADC interface to pins" of datasheet. 

2. What is the relationship between Rvsi and Ri?

3. What was a calculation process of "Rvsi = 1/(7 x fclk(adc) x Cia)"? 

4. Are there any documents which explain a detailed block diagram of ADC.


Best regards,