Delta-Sigma ADC Applet

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Definition:                           

Equation

Parameters

Diagram

Calculate Properties of a 1-bit ΣΔ ADC:              top

Parameter        

Value

Units

Note

Inputs:

R1 (feedback resistor) Note:  An alternate version includes 2 more resistors to change range
R2 (input resistor)  
FClk (uC clock frequency)  
N (#bits in sample)    
  Vdd (uC supply)    
           

Outputs:

VMax (max. input voltage) 

VMin (min. input voltage)

  VRange  (|VMax-VMin|)   =Vdd*R2/R1
  TS (sample period)    
  FS (sample rate)    
  FN (sample Nyquist freq.)

           
           

Output Format:                                                        top

Select Format: Scientific Engineering Fixed

Notes:                                                                       top

 

 

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