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LM3914V

Product LM3914V LED Lighting Drivers are now obsolete, with the Last Time Buy date ending November 6, 2018

Inventory:8,497

  • 90-day after-sales guarantee
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Submit your quote request for LM3914V using this form.You can also reach us via email at Email: [email protected], and we will respond within 12 hours.

Overview of LM3914V

The LM3914V is a monolithic integrated circuit that senses analog voltage levels and drives 10 LEDs, providing a visual display for various applications.

Pinout

  • OUT: Analog Voltage Output
  • REF OUT: Reference Voltage Output
  • V-, GND: Ground
  • V+: Positive Power Supply
  • TEST: Test Pin
  • STROBE: Strobe Pin
  • R-LO, R-HI: Range Adjust Pins
  • 1-10 (or A-K): LED Bar Output Pins

Circuit Diagram

Incorporate a circuit diagram that illustrates the connections and operation of the LM3914V IC for a more visual representation.

Key Features

  • Wide Supply Voltage Range: The LM3914V can operate within a supply voltage range of 3V to 25V.
  • Linear Outputs: The IC provides a linear analog display, making it suitable for visualizing voltage levels or other analog parameters.
  • No Multiplexing: Each LED output can be individually controlled without multiplexing, ensuring simple usage.
  • Low Quiescent Current: The IC features low quiescent current, making it suitable for low-power applications.
  • LED Bar Display: The LM3914V drives a 10-LED bar display, offering a clear visual indication of analog levels.

Note: For detailed technical specifications, please refer to the LM3914V datasheet.

Application

  • Voltmeter: The LM3914V can be used to create a simple voltmeter with a visual LED display for voltage levels.
  • Audio Level Indicator: It is commonly used in audio equipment to provide a visual representation of audio signal levels.
  • Battery Monitors: The IC can be utilized to indicate the charge level of a battery through LED bar graphs.

Functionality

The LM3914V is designed to sense analog voltage levels and drive LED bar displays, making it useful for visualizing various analog parameters in a simple and straightforward manner.

Usage Guide

  • Power Supply: Connect V+ and V- to the positive and ground power supply, respectively.
  • Analog Input: Connect the analog input voltage to the OUT pin.
  • LED Bar: Connect LEDs or LED bar modules to the output pins for visual display.

Frequently Asked Questions

Q: Can the LM3914V operate with a wide range of input voltages?
A: Yes, the LM3914V has a wide supply voltage range from 3V to 25V, making it versatile for various applications.

Q: Is the LED bar display linearly controlled?
A: Yes, the LM3914V provides a linear LED bar display corresponding to the input analog voltage levels.

Equivalent

For similar functionalities, consider these alternatives to the LM3914V:

  • LM3915: This is a similar LED driver IC with logarithmic scale output, suitable for different applications.
  • LM3916: Another LED driver IC with logarithmic scale output and versatile signal conditioning capabilities.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category LED Lighting Drivers RoHS N
Series LM3914 Mounting Style SMD/SMT
Package / Case PLCC-20 Number of Outputs 10 Output
Minimum Operating Temperature 0 C Maximum Operating Temperature + 70 C
Features Internal voltage reference, Programmable output current Brand Texas Instruments
Height 3.68 mm Length 8.89 mm
Moisture Sensitive Yes Number of Channels 10 Channel
Operating Supply Voltage 25 V Product Type LED Lighting Drivers
Factory Pack Quantity 40 Subcategory Driver ICs
Supply Current - Max 9.2 mA Width 8.89 mm
Unit Weight 0.025468 oz

Warranty & Returns

Warranty, Returns, and Additional Information

  • QA & Return Policy ?

    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

  • Shipping and Package ?

    Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.

    Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.

  • Payment ?

    For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.

    If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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LM3914V

Product LM3914V LED Lighting Drivers are now obsolete, with the Last Time Buy date ending November 6, 2018

Inventory:

8,497
Overview of LM3914V Specifications Warranty & Returns Similar Products Popular Products

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After Sales Service

What after-sales service can be provided?

We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:

·Initiate the request within 90 days after the item's shipment date.

·Coordinate the return or exchange with our team.

·Keep the items in their original condition as delivered.

·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.

Shipping

What channels of transportation of goods does the website support?

We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.

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Package

How to ensure that the parts will be intact during transportation?

The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.

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Payment

Which payment methods can be used to pay for goods

Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.

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