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          EEPW首頁(yè) 
	 > 模擬技術(shù) > 設(shè)計(jì)應(yīng)用 > 選擇合適的系列電壓基準(zhǔn)源的絕對(duì)精度電壓輸出
          
    
          

          

          


	
	
	

          
	
          
		
          
			
          選擇合適的系列電壓基準(zhǔn)源的絕對(duì)精度電壓輸出
          
						
          
				作者：
				時(shí)間：2012-01-30
				來(lái)源：網(wǎng)絡(luò)

							
				
				
				
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          Parameter
          Design A
          Design B
          Design C
          Design D
          Main Design Objectives
          Low cost, loose accuracy
          High absolute accuracy and precision
          One-time calibrated, low drift
          Low voltage, battery powered, moderate accuracy
          Example Application
          Consumer audio device
          Lab instrument
          Digital offset and gain adjustment
          Portable instrument
          DAC
          MAX5304,
          10-bit single
          MAX5170,
          14-bit single
          MAX5154,
          12-bit dual
          MAX5176,
          12-bit single
          DAC Output
          Force/sense gain set to 1
          Fixed gain = 1.638
          Fixed gain = 2
          Fixed gain = 1.638
          Voltage Reference
          MAX6102
          MAX6325
          MAX6162
          A grade
          MAX6190
          A grade
          Reference Voltage
          2.5V
          2.5V
          2.048V
          1.25V
          Reference Initial Accuracy
          0.4% or 4000ppm
          Not critical due to gain calibration
          Not critical due to gain calibration
          0.16% or 1600ppm
          Selected Reference Tempco (maximum)
          75ppm°C
          1ppm/°C
          5ppm/°C
          5ppm/°C
          Reference-Load Regulation
          0.9mV/mA
          6ppm/mA
          0.9mV/mA
          0.5μV/μA
          Temperature Range
          0°C to 70°C (commercial)
          
				
          
					
					
		  			
		  			
					
				
          
			
          
                
			
							
          
                
			            
                            
              
            
          
		
		
          
		
          
		
          
		
          
			
			
          
		
          
		
		
          
		
          
			
			
		
          
        
		
          
			
          關(guān)鍵詞：
            			            電壓
                        基準(zhǔn)源
                        絕對(duì)精度
                        電壓輸出
                        
            
          
            
			
          
		
          	
		

	

          
	
	
          
		
          
			
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