LM3915N - Dot/Bar Display Driver
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 program
LM3915N Features
* 1
* 2 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
* Internal Voltage Reference from 1.2V to 12V
* Operates with Single Supply of 3V to 25V
