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AD7767 Vdrive引脚异常

		
				

			

									
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				                on Sep 26, 2024 
				
			
			
		
    
		
		                     
				
        		
    
		    
		    		    
    
		      		            		        
    Category: Hardware
    
    		        		            		    
    Product Number:  AD7767  
    
    		        		    		    
    
		    		    
		    			
    
			    
    AD7767-1， 在AVDD+2.5V，DVDD+2.5V供电情况下，Vdrive本来是输入+3V电压的，但是用万用表打Vdrive引脚对地电压是4.6V左右,断开3V输入电压后，Vdrive引脚对地电压还是4.6V。哪位大佬知道为啥呀？
    
			
    
			
									
		                             
                        

    
    
                                            
                 Single Channel A/D Converters
                
                                                    
                 hardware
                
                                                    
                 ad7767
                
                                                    
                 Precision A/D Converters
                
                                
            
    
    
    
		
    

				
				        
        		
    
			
						
									
												
			
			
                        
                                    
                        
                        
                        
            
			            
						
						
			
			
			
			
		
    

        
        
        
    
					
    
			
    


    
















    
	
    
	
    
					



			








	
	
	
	



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