体验MAXIM的数字电位器DS1801

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体验MAXIM的数字电位器DS1801

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DS1801：原理框图放大+

关键特性

• Two digitally controlled, 65-position potentiometers 
• Ultra low-power consumption 
• Logarithmic resistive characteristics (1dB per step) 
• Zero-crossing detection to eliminate noise 
• Three-wire communication 
• Can be daisy-chained for single-processor, multidevice designs 
• Operating temperature range: -40°C to +85°C 
• Operating voltage range: 3V or 5V 
• Resistance available: 45kΩ