Products In This Thread

AD5940 Recommended for New Designs
The AD5940 and AD5941 are high precision, low power analog front ends (AFEs) designed for portable applications that require high precision, electrochemical...
Datasheet
AD5940 on Analog.com

  • State Not Answered
  • Replies 2 replies
  • Subscribers 71 subscribers
  • Views 161 views
  • Users 0 members are here
Options
Related 

        

            Post
             Go back to editing
        

    

    


    

    









		












	
	
			
	
			
		
	
	
		

		
AD5940 Adquisition time



		

			

									
					    VictorGB
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Jan 16, 2023 
				
			
			
		
    

				
		
    
		    		    
		    
		    		            		        
    Category: Software
    
    		        		            		    
    Product Number:  AD5940 
    
    		        		    		    	
			
    Hello, I would like to know how to calculate the adquisition time of the AD5940. I generate a 1 Hz signal to measure impedance but the time is too long , so I want to know if there is a formula to calculate it as a function of the  ADC postprocessing filter parameters.
    
								
    

				
				
		
    
			
						
									
									
						
						
			
			
			
			
		
    

        
        

					
    
			
    


    


	
    
		
	
    















    
	
    
	
    
					



			








	
	
	
	



Parents
	
      
	

    • 
	
      



	
		
	
	



      
	
      
		
      
							
					
      
		
      
			
													0
							
			
				
									
							        
			
			
			
      •  Analog Employees  
      
            
			                            
                        
                on Jan 20, 2023 7:29 PM
            
            
					
      
	
      

		
		
      
					
      Hi,
      

       AD5940_ClksCalculate() function in AD5940.c 
      

      is used to calculate the number of clock cycles required to do a measurement.
      

      Parameters used to calculate:
      

      System clock frequency,
      

      ADC Clock frequency, 
      

      ADC Sinc2 filter oversampling rate,
      

      Sinc2 oversampling rate,
      

      output data source (DFT or Sinc filter or Raw ADC)
      
			
      

		
		
		
		
	
      
	
      
		
      
			
		
      
	
      
	
      
		
						
						
				
						
				
				
		
		
      
			
		
      
	
      

      

      • 

	
    



Reply

      


    • 
	
      



	
		
	
	



      
	
      
		
      
							
					
      
		
      
			
													0
							
			
				
									
							        
			
			
			
      •  Analog Employees  
      
            
			                            
                        
                on Jan 20, 2023 7:29 PM
            
            
					
      
	
      

		
		
      
					
      Hi,
      

       AD5940_ClksCalculate() function in AD5940.c 
      

      is used to calculate the number of clock cycles required to do a measurement.
      

      Parameters used to calculate:
      

      System clock frequency,
      

      ADC Clock frequency, 
      

      ADC Sinc2 filter oversampling rate,
      

      Sinc2 oversampling rate,
      

      output data source (DFT or Sinc filter or Raw ADC)
      
			
      

		
		
		
		
	
      
	
      
		
      
			
		
      
	
      
	
      
		
						
						
				
						
				
				
		
		
      
			
		
      
	
      

      

      • 


    


Children
	
    No Data