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	 > 模擬技術 > 設計應用 > 選擇合適的系列電壓基準源的絕對精度電壓輸出
        
    
        

        

        


	
	
	

        
	
        
		
        
			
        選擇合適的系列電壓基準源的絕對精度電壓輸出
        
						
        
				作者：
				時間：2012-01-30
				來源：網(wǎng)絡
				
				
				
				
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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)
        
				
        
					
					
		  			
		  			
					
				
        
			
        
                
			
							
        
                
			            
                            
              
            
        
		
		
        
		
        
		
        
		
        
			
			
        
		
        
		
		
        
		
        
			
			
		
        
        
		
        
			
        關鍵詞：
            			            電壓
                        基準源
                        絕對精度
                        電壓輸出
                        
            
        
            
			
        
		
        	
		

	

        
	
	
        
		
        
			
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