LM3914 Dot/Bar Display Driver COM21

Fr1,000

The LM3914 is a monolithic integrated circuit that senses analog voltage levels and drives 10 LEDs, providing a linear analog display.

69 in stock

SKU: 1021CPN Category: Tag:

Description

The LM3914 is a monolithic integrated circuit that senses analog voltage levels and drives 10 LEDs, providing a linear analog display. A single pin changes the display from a moving dot to a bar graph.

Features

  •  Drives LEDs, LCDs or vacuum fluorescents
  •  Bar or dot display mode externally selectable by user
  •  Expandable to displays of 100 steps
  •  Internal voltage reference from 1.2V to 12V
  •  Operates with single supply of less than 3V
  •  Inputs operate down to ground
  •  Output current programmable from 2 mA to 30 mA
  • No multiplex switching or interaction between outputs
  • Input withstands ±35V without damage or false outputs
  • LED driver outputs are current regulated, open-collectors
  • Outputs can interface with TTL or CMOS logic
  • The internal 10-step divider is floating and can be referenced to a wide range of voltages

Document:

Datasheet

 

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