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AD202 Obsolete
The AD202 is a general purpose, two-port, transformer-coupled isolation amplifier that may be used in a broad range of applications where input signals...
Datasheet
AD202 on Analog.com

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AD202 power supply current requirements

		
	
				

			

									
					    sjhall
					
							

            
            			
				
									
											
			
			
				
			
			
			    	
			                    
                
				                on Dec 15, 2015 
				
			
			
		

		
		                    	    

        	    
Thread Summary

                The user seeks to determine the current draw of 12 AD202KNs from a +15V power supply. The datasheet specifies a no-load current consumption of 5mA for the AD202K. To estimate the total current, calculate the load current for each AD202 and sum it with the no-load current, treating this as a minimum value.
                        	    

                
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I'm looking to properly size my power supply. I am hoping to run 12 AD202KNs off of a single power supply. I see in the data sheets the AD-246 requirements but I wasn't clear on whether they applied to AD202s from a +15 V source. 

 


 
How much current should I expect a single AD202 to draw while loaded? How do they sum for multiple AD202s?

 


 
Thank you!

			

			
									
		                             
                        

    

                                            
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    •  Analog Employees  
    
            
						
                            
            
            				
            
                on Jan 13, 2016 1:32 PM
            
            
						
			            		
    
		
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    Hi Scott,
    
 
    Base on the datasheet of AD202/AD204 the current consumption of AD202K at no load is 5mA.The current when loaded will be dependent on how much load your circuit have.  Although not given in detail like the AD204, quick estimation is to compute given your max load consumption and add the no load specification. This is a quick estimation and should be treated as a minimum value.
    
 
    Please let me know if you have any more concern.
    
 
    Regards,
    
 
    Phil
    
			
    

		
			
	      

		
		
	
    
	
    
		
    
			
		
    
	
    
	
    
		
						
				
						
						
				
				
		
		
    
			
		
    
	
    

    

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