Products Mentioned

AD8139 Recommended for New Designs
The AD8139 is an ultralow noise, high performance differential amplifier with rail-to-rail output. With its low noise, high SFDR, and wide bandwidth, it...
Datasheet
AD8139 on Analog.com

AD8138 Production
The AD8138 is a major advancement over op amps for differential signal processing. The AD8138 can be used as a single-ended-to-differential amplifier or...
Datasheet
AD8138 on Analog.com

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AD8139 Not Working. I need help



		

			

									
					    sschekall
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Feb 23, 2011 
				
			
			
		
    

				
		
    
		    		    
		    
		    	
			
    I am using the AD8139 in the as shown in the attached PDF.
    
 
    Spice simulations work fine. But On the bench using +-5V supplys,  AD8138 outputs Nothing.
    
 
    What did I do wrong.
    
 
    Stan Schekall a783239d66076ba983835f6e0157fe05.pdf
    
									
			        
		
    

				
							osc_5MHZ.pdf
							
        

    
    Tags: 
                                            
                 amplifiers
                
                                                    
                 Differential Amplifiers and ADC Drivers
                
                                                    
                 ad8139
                
                                                    
                 ad8138
                
                                                    
                 Single-Ended to Differential Amplifiers