LM3915N Datasheet (PDF) Download
National Semiconductor
LM3915N

Overview

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.

  • 3 dB/step, 30 dB