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LM3914V - Texas Instruments

Description: Linear bargraph display driver,LM3914V

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LM3914V - Texas Instruments PCB footprint - Plastic Leaded Chip Carrier - Plastic Leaded Chip Carrier - FN (S-PQCC-J20)
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LM3914V Details

  • Manufacturer Part Number:

    LM3914V

  • Brand Name:

    Texas Instruments

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QLCC

  • Package Description:

    LCC-20

  • Pin Count:

    20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    SELECTABLE DOT MODE

  • Data Input Mode:

    PARALLEL

  • Display Mode:

    BAR GRAPH

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    S-PQCC-J20

  • JESD-609 Code:

    e0

  • Length:

    8.89 mm

  • Moisture Sensitivity Level:

    2A

  • Multiplexed Display Capability:

    NO

  • Number of Digits/Characters:

    10-DIGIT

  • Number of Functions:

    1

  • Number of Segments:

    10

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    CONSTANT-CURRENT

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    QCCJ

  • Package Equivalence Code:

    LDCC20,.4SQ

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER

  • Peak Reflow Temperature (Cel):

    250

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    4.57 mm

  • Supply Current-Max:

    9.2 mA

  • Supply Voltage-Max:

    20 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    5 V

  • Supply Voltage1-Max:

    20 V

  • Supply Voltage1-Min:

    3 V

  • Supply Voltage1-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    J BEND

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    QUAD

  • Width:

    8.89 mm

LM3914V Frequently Asked Questions (FAQs)

  • The recommended voltage range for the LM3914V is 3V to 25V, with a typical operating voltage of 12V.
  • The brightness of the LEDs can be set by adjusting the value of the R1 resistor, which sets the current through the LEDs. A lower value of R1 will result in brighter LEDs, while a higher value will result in dimmer LEDs.
  • The RLO and RHI resistors set the lower and upper limits of the voltage range that the LM3914V is measuring. RLO sets the lower limit, and RHI sets the upper limit.
  • The LEDs should be connected between the OUT pins and the V+ pin, with the anode of the LED connected to the OUT pin and the cathode connected to the V+ pin.
  • The LM3914V can handle input frequencies up to 10 kHz.

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LM3914V Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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