Here’s some information about the LM3915:

Functionality: Like the LM3914, the LM3915 is designed to drive a series of LEDs to indicate the level of an analog signal. It can operate in dot or bar mode.

DIP-18 Package: The “DIP-18” designation indicates that the IC is packaged in a Dual Inline Package with 18 pins.

Pin Configuration: The LM3915 typically has 18 pins, and its pin functions include inputs for the analog signal, reference voltage, and outputs to drive LEDs.

Voltage Range: The LM3915 can operate over a wide voltage range, making it suitable for various applications.

Dot/Bar Mode Switch: The LM3915 has a built-in mode switch that allows users to select between dot or bar mode operation.

Package Includes