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AD4020 Recommended for New Designs
The AD4020 is a high accuracy, high speed, low power, 20-bit, Easy Drive, precision successive approximation register (SAR) analog-to-digital converter...
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AD4020 on Analog.com

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Driver to support external voltage reference



		

			

									
					    ubermensch
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Jan 17, 2022 
				
			
			
		
    

				
		
    
		    		    
		    
		    	
			
    I think one of the new requirements I have for the Linux driver of adaq400x in Zedboard is the support for external voltage reference, other than a single Vref (which as of now is fixed to 5V).
    

    How can a Linux IIO driver support more than one Vref? Does it help if the device tree Vref node has a range between the regulator-min-microvolt and regulator-max-microvolt properties (instead of being equal)?