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关于AD7747使用问题

		
	
				

			

									
					    askrt
					
							

            
            			
				
									
											
			
			
				
			
			
			    	
			                    
                
				                on Mar 16, 2021 
				
			
			
		

		
		                     
				
        		

		    
		    		    
		    			

			    
对于AD7747，请问在单端模式下，被测电容的一块极板接AD7747的CIN1(+)，另一块极板需要接到AD7747的GND吗，还是可以不接？谢谢！

			

			
									
		                             
                        

    

                                            
                 Integrated/Special Purpose A/D Converters
                
                                                    
                 Capacitive-to-Digital and Touch Screen Controllers
                
                                                    
                 ad7747