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10pcs LM3915N-1 LM3915N LM 3915 LED Dot Bar Display Driver Chips IC,DIP-18.

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$9.99

$ 4 .99 $4.99

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  • 3 dB/step, 30 dB range.
  • Drives LEDs, LCDs, or vacuum fluorescents.
  • Bar or dot display mode externally selectable by user.
  • Expandable to displays of 90 dB.
  • Directly drives TTL or CMOS.


The LM3915 is a monolithic integrated circuit that sensesanalog voltage levels and drives ten LEDs, LCDs or vacuumfluorescent displays, providing a logarithmic 3 dB/step ana-log display.
One pin changes the display from a bar graph toa moving dot display. LED current drive is regulated andprogrammable, eliminating the need for current limiting re-sistors. The whole display system can operate from a singlesupply as low as 3V or as high as 25V.
Display type: LED, LCD, Vacuum Fluorescence (VF)
Voltage - Power supply: 3V ~ 25V
Package include:
10pcs* LM3915