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AD9655 Recommended for New Designs
The AD9655 is a dual, 16-bit, 125 MSPS analog-to-digital converter (ADC) with an on-chip sample-and-hold circuit designed for low cost, low power, small...
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AD9655 on Analog.com

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AD9655  Anlog input interface through Transformers



		

			

									
					    jitendra
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Jul 1, 2021 
				
			
			
		
    

				
		
    
		    		    
		    
		    	
			
    HI,
    

       I Have some queries regarding AD9655 Evaluation schematics ,Please clarify the below queries.
    

       1. Evaluation schematic inputs connected only Ain+ why?
    

       2. If i am getting signal from  Board. using Differential driver i have to use AIN+ and AIN-or i have to convert to Single ended again in my board
    

       3. Please provide schematics for Differential input with transformer coupling. 
    
								
    

				
				
		
    
			
						
									
									
						
						
			
			
			
			
		
    

        
        

					
    
			
    


    


	
    
		
	
    















    
	
    
	
    
					



			








	
	
	
	



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                on Jul 1, 2021 2:53 PM
            
            
					
        
	
        

		
		
        
					
        1. that is the schematic we used to test the AD9655 in the lab. our signal generators are single ended and we need a way to convert them to differential. 
        

        2. you can remove the transformers and place an additional SMA connector to enable differential connection
        

        3. the same schematic can be used to convert to a fully differential front end.
        
			
        

		
		
		
		
	
        
	
        
		
        
			
		
        
	
        
	
        
		
						
				
				
						
				
				
		
		
        
			
		
        
	
        

        

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                on Jul 1, 2021 2:53 PM
            
            
					
          
	
          

		
		
          
					
          1. that is the schematic we used to test the AD9655 in the lab. our signal generators are single ended and we need a way to convert them to differential. 
          

          2. you can remove the transformers and place an additional SMA connector to enable differential connection
          

          3. the same schematic can be used to convert to a fully differential front end.
          
			
          

		
		
		
		
	
          
	
          
		
          
			
		
          
	
          
	
          
		
						
				
				
						
				
				
		
		
          
			
		
          
	
          

          

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