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AD7124-8 测电阻，测出的值是实际值的二分之一，可能是什么原因造成



		

			

									
					    xianyumoyu
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Jan 30, 2023 
				
			
			
		
    

				
		
    
		    		    
		    
		    	
			
    用的单极性，PGA=2,三线RTD 
    
									
			        
		
    

				
						
        

    
    Tags: 
                                            
                 ad7124-8
                
                                                    
                 Multiplexed A/D Converters
                
                                                    
                 7124
                
                                                    
                 Precision A/D Converters