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LM3914 Dot/Bar Display Driver IC DIP-18 Package

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₹78.00 (excluding 18% GST)

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Description

  • The LM3914 is a 10-segment LED/LCD bar graph or LED dot display driver IC.
  • It can drive 10 LEDs or LCDs in a linear bar graph mode or as 10 individual dots, depending on the configuration.
  • The IC is designed to provide a visual representation of an analog input signal, such as voltage or current, in a clear and easy-to-read format.

Features

  • Dot or Bar Mode Selection: Can be configured to drive LEDs in either a dot mode (where each LED represents an individual value) or a bar mode (where LEDs light up in a bar graph pattern).
  • LED Driving Capability: Capable of driving up to 10 LEDs or LCDs directly, with a maximum current of 30mA per segment.
  • Wide Input Voltage Range: Accepts input voltages from 0V to 1.2V to 40V, making it suitable for a variety of signal levels.
  • Internal Voltage Reference: Includes a built-in reference voltage (typically 1.2V) for consistent operation and accurate signal representation.
  • Adjustable Reference Voltage: The reference voltage can be adjusted with external resistors for customized applications.
  • Low Power Consumption: Designed for efficient operation with minimal power consumption.
  • Wide Operating Temperature Range: Operates reliably over a broad temperature range, making it suitable for various environmental conditions.

Specifications

  • Supply Voltage (Vcc): 3V to 25V
  • Input Voltage Range: 0V to 1.2V to 40V
  • LED Drive Current: 30mA maximum per segment
  • Reference Voltage: Typically 1.2V, adjustable with external resistors
  • Operating Temperature Range: -25°C to 85°C
  • Package Type: DIP-18 (Dual In-line Package with 18 pins)
  • Power Dissipation: Low power consumption, typically around 1W
  • Accuracy: ±1% typical

Applications

  • Voltmeter Displays: Used in analog voltmeters to provide a visual representation of voltage levels.
  • Audio Level Meters: Suitable for audio equipment to display audio signal levels.
  • Battery Level Indicators: Provides a visual indication of battery charge levels.
  • Signal Strength Meters: Displays the strength of RF or other signals.
  • Industrial Controls: Used in various industrial applications for visual feedback on analog signals.
  • Consumer Electronics: Commonly used in consumer electronics for status indicators and level displays.
  • DIY Projects: Popular in hobbyist electronics for building custom visual indicators and meters.

Note

* Product Images are shown for illustrative purposes only and may differ from actual product

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