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LT6203 Production
The LT6202/LT6203/LT6204 are single/dual/quad low noise, rail-to-rail input and output unity gain stable op amps that feature 1.9nV/vHz noise voltage and...
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LT6203 on Analog.com

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LT6203IS vs LT6203XS



		

			

									
					    Zaro
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Jul 3, 2023 
				
			
			
		
    

				
		
    
		    		    
		    
		    		      		            		        
    Category: Hardware
    
    		        		            		    
    Product Number:  LT6203 
    
    		        		        		        
    Software Version: na
    
    		    		    	
			
    What is the difference between LT6203IS (industrial 85C) and high temperature  version of it LT6203XS (175 C)?  Response from AD Customer Quality is: "For the process side there is no much of a difference between the two devices and for as long as the process are taking in consideration this appears to be more like identical as well." - basically no difference in the process. Are they any difference in packaging?
    
									
			        
		
    

				
						
        

    
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                 Operational Amplifiers (Op Amps)
                
                                                    
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      •  Analog Employees  
      •  Super User  
      
            
			                            
                                                                                                                        
            
				
			
            
					
      
	
      

		
		
      
					
      Hi Zaro,
      

      Good day.
      

      It appears that LT6203IS comes in as an 8-pin SO with a standard op amp pinout while LT6203XS comes in as an 8-pin SO package with a standard dual op-amp pinout. Also, LT6203XS is available as dice. In addition, the electrical characteristics for LT6203IS were characterized for temperatures ranging from -40 deg C up to 85 deg Celcius while LT6203XS were characterized from -40 deg C to 175 deg C. May we know what specific application you'll be using these op-amps to further help you? Thank you.
      

      Regards,
      

      Gilbeys
      
			
      

		
			
	      

		
		
	
      
	
      
		
      
			
		
      
	
      
	
      
		
						
						
				
						
				
				
		
		
      
			
		
      
	
      

      

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						in reply to GLADION
					
									
        
	
        

		
		
        
					
        Hi, 
        

        Thank you for the prompt response!
        

        Application is photomultiplier signal conditioning circuit. Currently LT6203IS8 is used above specified temperature of 85C and since pinouts are identical (both are SOIC8), I'd like to replace it with LT6203XS8. The final goal is to increase reliability of the circuit. Concern is whether any compromises in parameters were made to achieve higher temperature.
        

        Regards,
        

        Zaro
        
			
        

		
			
	      

		
		
	
        
	
        
		
        
			
		
        
	
        
	
        
		
						
						
				
						
				
				
		
		
        
			
		
        
	
        

        

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													+1
							
			
				
									
							        
			
			
			
        •  Analog Employees  
        •  Super User  
        
            
			                            
                                                                                                                        
            
				
			
            
												
						in reply to Zaro
					
									
        
	
        

		
		
        
					
        Hi Zaro,
        

        

        LT6203XS8 data sheet was characterized and guaranteed that it will work in temperatures up to 175C. No parameters were compromised to achieve such a temperature. If your goal is to increase the reliability of your circuit, I do suggest using the component that is guaranteed for temperatures above 85C. Thank you.
        

        

        Regards,
        

        

        Gilbeys 
        
			
        

		
			
	      

		
		
	
        
	
        
		
        
			
		
        
	
        
	
        
		
						
				
						
						
				
				
		
		
        
			
		
        
	
        

        

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