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Dot/Bar Display Driver
National Semiconductor
Description
The LM3916 is a monolithic integrated circuit that senses analog voltage levels and drives ten LEDs, LCDs or vacuum fluorescent displays, providing an electronic version of the popular VU meter. More...
Features
• Fast responding electronic VU meter
• Drivers LEDs, LCDs, or vacuum fluorescents
• Bar or dot display mode externally selectable by user
• Expandable to displays of 70 dB
• Internal voltage reference from 1.2V to 12V
• Operates with single supply of 3V to 25V
• Inputs operate down to ground
• Output current programmable from 1 mA to 30 mA
• Input withstands ±35V without damage or false outputs
• Outputs are current regulated, open collectors
• Directly drives TTL or CMOS
• The internal 10-step divider is floating and can be referenced to a wide range of voltages The LM3916 is rated for operation from 0°C to +70°C. The LM3916N-1 is available in an 18-lead molded DIP package.
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