Products Mentioned

ADuM4160 Production
The ADuM4160 is a USB port isolator, based on Analog Devices, Inc., iCoupler® technology. Combining high speed CMOS and monolithic air core transformer...
Datasheet
ADuM4160 on Analog.com

ADUM5000 Production
The ADuM5000 is an isolated DC/DC converter based on the Analog Devices, Inc., iCoupler® technology. The DC/DC converter in this device provides regulated...
Datasheet
ADUM5000 on Analog.com

ADuM3160 Production
The ADuM3160 is a USB port isolator, based on Analog Devices, Inc., iCoupler® technology. Combining high speed CMOS and monolithic air core transformer...
Datasheet
ADuM3160 on Analog.com

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What is the diffrence between the ADum 3160 and Adum4160?



		

			

									
					    Nepomuki
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Mar 22, 2015 
				
			
			
		
    

				
		
    
		    		    
		    
		    	
			
     I want to make an USB Isolator and have a gadget with an adruino on the Isolated side and my Pc on the other side. Both need a supply of 5V. I'am currently using a adum5000 combined with an adum3160 but can't get that USB-isolator to work propely. The Pc is either showing me nothing and if it connects to the arduino Matlab can't get access to the com port. Just currently I have found the exact same setup just with an adum4160. USB Isolator Photo by stienman | Photobucket Now  i'm starting to wonder if i should have bought the wrong device. Are those two IC not just distinguished buy their max rms Voltage per min.
    
									
			        
		
    

				
						
        

    
    Tags: 
                                            
                 isopower
                
                                                    
                 Digital Isolation Technology
                
                                                    
                 USB isolators
                
                                                    
                 adum5000
                
                                                    
                 adum4160
                
                                        
                                            
                
                
                                
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      •  Analog Employees  
      
            
						
                            
            
            				
            
                on Mar 23, 2015 12:49 AM
            
            
					
      
	
      

		
		
      
					
      Basically the ADuM3160 and the ADuM4160 are the same functional wise. The only difference is the certified isolation rating, as can be seen already on the front-page of each of the data-sheets.
      
 
      The ADuM3160 is only 2.5kV rated and the ADuM4160 is certified for 5kV.
      
 
      I quickly tested a original Arduino Uno Rev 3 with our ADuM3160 Evaluation-Board, which looks similar to the schematic you linked to (but with ADuM3160) and it is working perfectly on my Laptop.
      
 
      If you use a Desktop, sometimes the power-supply on Desktop-USB-Ports isn't as good as on Laptops.
      
 
      So first of all check the Voltage on the ADuM5000 input and the isolated side, that this is working on 5V correctly.
      
			
      

		
			
	      

		
		
	
      
	
      
		
      
			
		
      
	
      
	
      
		
						
				
						
						
				
				
		
		
      
			
		
      
	
      

      

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													0
							
			
				
									
							        
			
			
			
      •  Analog Employees  
      
            
						
                            
            
            				
            
                on Mar 23, 2015 12:49 AM
            
            
					
      
	
      

		
		
      
					
      Basically the ADuM3160 and the ADuM4160 are the same functional wise. The only difference is the certified isolation rating, as can be seen already on the front-page of each of the data-sheets.
      
 
      The ADuM3160 is only 2.5kV rated and the ADuM4160 is certified for 5kV.
      
 
      I quickly tested a original Arduino Uno Rev 3 with our ADuM3160 Evaluation-Board, which looks similar to the schematic you linked to (but with ADuM3160) and it is working perfectly on my Laptop.
      
 
      If you use a Desktop, sometimes the power-supply on Desktop-USB-Ports isn't as good as on Laptops.
      
 
      So first of all check the Voltage on the ADuM5000 input and the isolated side, that this is working on 5V correctly.
      
			
      

		
			
	      

		
		
	
      
	
      
		
      
			
		
      
	
      
	
      
		
						
				
						
						
				
				
		
		
      
			
		
      
	
      

      

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