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REF43 Not Recommended for New Designs
The REF43 is a low-power precision reference providing a stable +2.5V output independent of variations in supply voltage, load conditions or ambient temperature...
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REF43 on Analog.com

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REF43 pin configuration



		

			

									
					    jiamin
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Oct 7, 2019 
				
			
			
		
    

				
		
    
		    		    
		    
		    	
			
    Hi there,
    

    I would like to know for the part REF43, pin 1 and pin 4 are they suppose to be shorted?
    

    Found that pin1 and pin4 are shorted when tested using multi-meter.
    

    

    Thanks& Best Regards,
    

    Carmen.