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LM3915N Analog Voltage to LED Bargraph Driver IC

SKU:

596

Availability:

5 in stock


50.00 (Exc. GST)

5 in stock

The LM3915 is a monolithic integrated circuit that senses analog voltage levels and drives ten LEDs, LCDs or vacuum fluorescent displays, providing a logarithmic 3 dB/step analog display. 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. The whole display system can operate from a single supply as low as 3V or as high as 25V.

Feathers:

  • 3 dB/step, 30 dB Range.
  • LEDs, Bar or Display Drives.
  • Bar or Dot Display Mode Externally Selectable by User.
  • Expandable to Displays of 90 dB.
  • Internal Voltage Reference from 1.2V to 12V.
  • Operates with Single Supply of Less than 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.
  • 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.

SKU: 596 Category:

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