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SPICE model of AD8675 ... Problem ?



		

			

									
						altazar
					
							

			
				
									
											
							 		
		        	            							
			
			    	
			                    
                
				                on May 31, 2018 
				
			
			
		


				
		

		    		    
		    
		    	
			
Hi,

 
I am currently simulating with the AD8675.

 
AC analysis.

 
If I use it with common feedback stuff. It works.

 
But the output can reach kilovolts with a supply of +/- 15V

 
On the other hand, on a particular setup, I do get some other strange behavior.

 
Joined you have a picture sowing the details.

 
V(OUT) should saturate at low frequencies.

 
Or should I avoid this kind of setup ?

 
Thank you already for your time :-)