LM3915 3dB Steps Bar Graph Display Driver

The LM3915 is a logarithmic bar graph display driver IC that senses analog voltage levels and drives 10 LEDs, LCDs, or other displays in a bar or dot mode. It features a logarithmic 3dB step scale, making it ideal for audio level meters, battery level indicators, and signal strength displays.

Specification :

• Display Type : 10-segment LED/LCD/VFD driver
• Package Type : DIP-18, SOIC-18
• Logarithmic Scale : 3dB per step
• Operating Voltage : 3V to 25V
• LED Drive Current : Adjustable
• Modes : Bar or dot display selectable
• Internal Voltage Reference : 1.25V
• Low Power Consumption : Efficient CMOS design
• Direct LED Drive : No external resistors required
• Operating Temperature : 0°C to 70°C