---
product_id: 73487604
title: "2x LM3914N - IC DRIVER DOT BAR DISPLAY 18-DIP LM3914"
brand: "national semiconductor"
price: "₨6080"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/73487604-2x-lm3914n-ic-driver-dot-bar-display-18-dip-lm3914
store_origin: LK
region: Sri Lanka
---

# 2-30mA programmable LED current 25V max voltage Expandable to 100 steps 2x LM3914N - IC DRIVER DOT BAR DISPLAY 18-DIP LM3914

**Brand:** national semiconductor
**Price:** ₨6080
**Availability:** ✅ In Stock

## Summary

> 💡 Light up your projects with precision and power!

## Quick Answers

- **What is this?** 2x LM3914N - IC DRIVER DOT BAR DISPLAY 18-DIP LM3914 by national semiconductor
- **How much does it cost?** ₨6080 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/73487604-2x-lm3914n-ic-driver-dot-bar-display-18-dip-lm3914)

## Best For

- national semiconductor enthusiasts

## Why This Product

- Trusted national semiconductor brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Expandable & Scalable:** Easily scale your display up to 100 steps—ideal for complex, professional-grade visual indicators.
- • **High-Current LED Drive:** Program output current from 2mA to 30mA, powering LEDs with perfect brightness every time.
- • **Robust Voltage Handling:** Operates up to 25V with internal voltage reference from 1.2V to 12V for precision control.
- • **Versatile Display Modes:** Seamlessly switch between dot and bar display modes to match your project’s vibe.
- • **Durable & Logic-Friendly:** Withstands ±35V input spikes and interfaces smoothly with TTL/CMOS logic for reliable performance.

## Overview

The LM3914N is a dual-pack LED driver IC designed for dot or bar display modes, supporting up to 100 display steps. It operates on a single supply voltage up to 25V, with programmable output current from 2mA to 30mA, and features robust input protection and compatibility with TTL/CMOS logic, making it a versatile and reliable choice for professional LED display applications.

## Description

-Drives LEDs, LCDs or vacuum fluorescents -Bar or dot display mode externally selectable by user -Expandable to displays of 100 steps -Internal voltage reference from 1.2V to 12V -Operates with single supply of less than 3V -Inputs operate down to ground -Output current programmable from 2 mA to 30 mA -No multiplex switching or interaction between outputs -Input withstands ±35V without damage or false outputs -LED driver outputs are current regulated, -en-collectors -Outputs can interface with TTL or CMOS logic -The internal 10-step divider is floating and can be -enced to a wide range of voltages

## Features

- Packaging: DIP-18
- Applications: Dot/Bar Display Driver, LED Driver
- Voltage: 25V
- Type: LED driver

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | National Semiconductor |
| Part number | LM3914N |
| Manufacturer reference | LM3914N |
| Colour | Black |
| Material | Plastic |
| Voltage | 25 Volts |
| Item Package Quantity | 2 |
| Switch Type | 18 way |

## Product Details

- **Voltage:** 25 Volts
- **Colour:** Black
- **Contact type:** spst
- **Brand:** National Semiconductor
- **Current rating:** 3E+1 Milliamps

## Images

![2x LM3914N - IC DRIVER DOT BAR DISPLAY 18-DIP LM3914 - Image 1](https://m.media-amazon.com/images/I/61ez2XsNqAL.jpg)

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**Shop now:** [https://www.desertcart.lk/products/73487604-2x-lm3914n-ic-driver-dot-bar-display-18-dip-lm3914](https://www.desertcart.lk/products/73487604-2x-lm3914n-ic-driver-dot-bar-display-18-dip-lm3914)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-21*