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AD7401A Production
The AD7401A is a second-order, sigma-delta (S-?) modulator that converts an analog input signal into a high speed, 1-bit data stream with on-chip digital...
Datasheet
AD7401A on Analog.com

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					    Tarzan
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Feb 1, 2016 
				
			
			
		
    

				
		
    
		    		    
		    
		    	
			
    Hi there,
    
 
     
    
 
    I have a question about AD7401
    
 
    Is it okay to connect Pin4  to GND?
    
 
    If it's connect to GND, what would happen?
    
 
    *According to the datasheet, it says Pini4 to 6 treated as NC(Non connect)
    
 
     
    
 
    Best regards,
    
 
    Tarzan
    
								
    

				
				
		
    
			
						
									
									
						
						
			
			
			
			
		
    

        
        

					
    
			
    


    


	
    
		
	
    















    
	
    
	
    
					



			








	
	
	
	



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                on Feb 4, 2016 6:13 AM
            
            
					
        
	
        

		
		
        
					
        Thank for your support , Jellenie.
        
 
        I understand what you mean.
        
 
        If it's okay with you, could  you ask your application engineer about this?
        
 
        Because TI have similar parts like the attached file, sometime I hear this kind of requests that they want to evaluate without design change. 
        
 
        And this is additional question, what if pin1(VDD1)? could you also check whether the pin1 is treated as NC like TI parts? like the attached file, AD7401 has two VDD1 pin.
        
 
        Best regards,
        
 
        Tarzan
        
			
        

		
		
		
		
	
        
	
        
		
        
			
		
        
	
        
	
        
		
						
						
				
						
				
				
		
		
        
			
		
        
	
        

        

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													0
							
			
				
									
							        
			
			
			
          
            
			                            
                        
                on Feb 4, 2016 6:13 AM
            
            
					
          
	
          

		
		
          
					
          Thank for your support , Jellenie.
          
 
          I understand what you mean.
          
 
          If it's okay with you, could  you ask your application engineer about this?
          
 
          Because TI have similar parts like the attached file, sometime I hear this kind of requests that they want to evaluate without design change. 
          
 
          And this is additional question, what if pin1(VDD1)? could you also check whether the pin1 is treated as NC like TI parts? like the attached file, AD7401 has two VDD1 pin.
          
 
          Best regards,
          
 
          Tarzan
          
			
          

		
		
		
		
	
          
	
          
		
          
			
		
          
	
          
	
          
		
						
						
				
						
				
				
		
		
          
			
		
          
	
          

          

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