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ADUM4190 design question



		

			

									
						Accipiter
					
							

			
				
									
											
							 		
		        	            							
			
			    	
			                    
                
				                on Apr 16, 2019 
				
			
			
		


				
		

		    		    
		    
		    	
			
Hi Sir,


I have question regarding to ADUM4190.


There is two schematic by ADUM4190 and use 5V with VCC_P and P+5V.


Up one of schematic use OPA in ADUM4190 as voltage follower, Can I supply 3.3V to Gen_V for +IN than get output 3.3V from EAout?


Below one of schematic, can I use the OPA in ADUM4190 be Gain = 11 function? if so, what maximum Gain limit is for the OPA in ADUM4190? 


Joe