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LM3916 Key Features

  • 2 Fast Responding Electronic VU Meter
  • Drivers LEDs, LCDs, or Vacuum Fluorescents
  • Bar or Dot Display Mode Externally Selectable
  • 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
  • Input Withstands ±35V without Damage or
  • Outputs are Current Regulated, Open

Other LM3916 Datasheets

Manufacturer Part Number Description
National Semiconductor Logo National Semiconductor LM3916 Dot/Bar Display Driver

View all LM3916 datasheets →

LM3916 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. One pin changes the display from a bar graph to a moving dot display. LED current drive is regulated and programmable, eliminating the need for current limiting resistors.