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digital-to-analog converters With sensor simulator

		
	
				

			

									
					    can1209457467457
					
							

            
            			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Nov 10, 2024 
				
			
			
		
    
		
		                     
				
        		
    
		    
		    		    
    
		      		            		        
    Category: Hardware
    
    		        		            		    
    Product Number:  digital-to-analog converters 
    
    		        		    		    
    
		    		    
		    			
    
			    
    Hello everyone, I want to create a circuit that can simulate the output signal of an LVDT sensor. Since this will be a sensor simulator, the accuracy of the data in the system is very important. I was thinking of achieving this by processing a sine wave signal with the AD5453 integrated circuit. Do you think this is possible, and how can I make this?
    
			
    
			
									
		                             
                        

    
    
                                            
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      •  Analog Employees  
      
            
						
                            
            
            				
            
                on Nov 11, 2024 2:34 AM
            
            
						
			            		
      
		
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      Hi  ,
      

      Given its 14-bit resolution, it has good specs for signal integrity. You'll want to start with a microcontroller to control the DAC over SPI; something like an Arduino or STM32 would work well. The DAC will generate your basic sine wave, but you'll need to clean it up with a low-pass filter to get rid of any digital artifacts. A simple RC filter should do the trick. Finally, add a buffer amp to drive your output and match typical LVDT impedance levels. What kind of accuracy are you looking to achieve with this simulator? Update rate?
      

      Br,
      

      Den
      
			
      

		
			
	      

		
		
	
      
	
      
		
      
			
		
      
	
      
	
      
		
						
						
						
						
				
				
		
		
      
			
		
      
	
      

      

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