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標題: some questions about sigma_delta adc [打印本頁]

作者: 大大山    時間: 2009-10-6 01:37 PM
標題: some questions about sigma_delta adc
i have some questions about sigma_delta adc:& i7 c& e7 Q: ]& O: d6 K" f
  can anyone tell me the relationship between  the coefficient of capacitance and the input voltage,thank  you!!
作者: lqlcug    時間: 2009-10-9 06:19 PM
The input voltage is just limited by the stability(have relativity with architecture) and the Reference Voltage. The coefficient of capacitors decide the stability .
8 h* F. R+ p: j& p2 @     So someone usually make the system modeling decide the coefficient. there are method such as numeration method , Simulated annealing and so on ,it's very difficult. someone also use the experience to decide the coefficient.




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