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用来搭建零阻电流计，用AD8638是否合适呢？

		
	
				

			

									
					    bomlulu
					
							

            
            			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Nov 4, 2016 
				
			
			
		
    
		
		                     
				
        		
    
		    
		    		    
		    			
    
			    
    用运放搭建零阻电流计，用来测量微安级电流，用AD8638是否合适呢？或者是否还有比它更适合的芯片？
    
 
    
			
    
			
									
		                             
                        

    
    
                                            
                 Operational Amplifiers (Op Amps)
                
                                                    
                 amplifiers
                
                                                    
                 ad8638
                
                                                    
                 Low Input Bias Current Op Amps (≤100 pA)