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LM3915 LED Dot/Bar Display Driver IC DIP-18

LM3915 LED Dot/Bar Display Driver IC DIP-18_1

LM3915 LED Dot/Bar Display Driver IC DIP-18_PIN OUT

LM3915 LED Dot Bar Display Driver IC DIP-18

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Product SKU: INTEG098

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Specification

Description

The LM3915 is an LED dot/bar display driver IC, and it shares similarities with the LM3914.

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.

Applications:

Common applications are similar to the LM3914 and include audio level meters, VU meters, battery level indicators, and other visual displays of analog signal levels.

Features

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
Inputs Operate Down to Ground
Output Current Programmable from 1 mA to 30 mA
Input Withstands ±35V without Damage or False Outputs
Outputs are Current Regulated, Open Collectors
Directly Drives TTL or CMOS
The Internal 10-step Divider is Floating and can be Referenced to a Wide Range of Voltages The LM3915 is Rated for Operation from OOC to +700C. The LM3915N-1 is Available in an 18- lead PDIP Package.