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AD9681 Recommended for New Designs
The AD9681 is an octal, 14-bit, 125 MSPS analog-to-digital converter (ADC) with an on-chip sample-and-hold circuit that is designed for low cost, low power...
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AD9681 on Analog.com

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ad9681 test pattern output



		

			

									
					    akgulb
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Mar 9, 2023 
				
			
			
		
    

				
		
    
		    		    
		    
		    		            		        
    Category: Hardware
    
    		        		            		    
    Product Number:  ad9681 
    
    		        		    		    	
			
    Hello,
    

    I am confused with the ad9681 test pattern output. I am working in test pattern mode. The data I read from 4 adcs from the same bank must be the same, right? However, I'm getting data different by 1 one clock in the same bank. I applied xapp1017. where could the problem be?
    

    I also applied digital reset.(register 0x08 -> 3)
    


    thanks