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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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