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AD9175 Recommended for New Designs
The AD9175 is a high performance, dual, 16-bit digital-to-analog converter (DAC) that supports DAC sample rates up to 12.6 GSPS. The device features an...
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AD9175 on Analog.com

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Power of evaluation AD9175 -FMZ-EBZ and SPI communication

		
	
				

			

									
					    Atron
					
							

            
            			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Mar 27, 2025 
				
			
			
		
    
		
		                    	    
    
        	    
    Thread Summary
    
                The user inquired about configuring the DAC9175 eval board directly via the P3 header (SPI) without USB. The final answer confirmed that external power to TP41 and TP42 is sufficient, and suggested removing the jumper on JP71 to power down the PIC and USB port. The user also asked if connecting the ADS8 board and DAC1975 would still allow communication via P3, but this was not addressed in the final answer.
                        	    
    
                
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    Category: Datasheet/Specs
    
    		        		            		    
    Product Number:  AD9175  
    
    		        		    		    
    
		    		    
		    			
    
			    
    Hi questions for DAC 9175 eval board:
    

    1. if i want to configure only DAC9175 eval board directly via P3 header (SPI) do i need additional connection of USB to the board or enough to connect external power 12VDC via TP41 and GND TP2, and do i need additional changes in the evaluation board itself bypass PIC or something else.  
    


    2. if i connect ADS8 board and DAC1975 can i still be able communicate via P3 connector, because schematic page 7. has note about connection USB and SPI bus control.
    

    

    thanks,
    
			
    
			
									
		                             
                        

    
    
                                            
                 ad9175
                
                                                    
                 Standard High Speed D/A Converters
                
                                                    
                 Datasheet/Specs
                
                                                    
                 spi
                
                                                    
                 High Speed D/A Converters =30MSPS
                
                                        
                                            
                
                
                                        
                                            
                
                
                                
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