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LM3914VX/NOPB - Texas Instruments

Description: Dot/Bar Display Driver

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LM3914VX/NOPB - Texas Instruments PCB footprint - Plastic Leaded Chip Carrier - Plastic Leaded Chip Carrier - FN0020A_PLCC20
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LM3914VX/NOPB - Texas Instruments  - 3D model - Plastic Leaded Chip Carrier - FN0020A_PLCC20
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LM3914VX/NOPB Details

  • Manufacturer Part Number:

    LM3914VX/NOPB

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QLCC

  • 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:

    ANALOG

  • Display Mode:

    BAR GRAPH

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    S-PQCC-J20

  • JESD-609 Code:

    e3

  • Length:

    8.89 mm

  • Moisture Sensitivity Level:

    2A

  • Multiplexed Display Capability:

    NO

  • Number of Channels:

    10

  • 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

  • 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:

    15 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    J BEND

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    QUAD

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    8.89 mm

LM3914VX/NOPB Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the LM3914 is 3V to 25V, with a typical operating voltage of 12V.
  • The resistor values can be calculated using the formula: R = (Vcc - Vf) / If, where Vcc is the supply voltage, Vf is the forward voltage of the LED, and If is the desired LED current.
  • The RLO and RHI pins are used to set the reference voltage for the internal voltage regulator, which determines the brightness of the LEDs. RLO sets the lower reference voltage, and RHI sets the higher reference voltage.
  • The LM3914 can be interfaced with a microcontroller or other digital circuitry using the SIG pin, which provides a logic-level output indicating the bar graph display level.
  • The maximum frequency of the input signal that can be used with the LM3914 is approximately 10 kHz, although this may vary depending on the specific application and circuit design.

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LM3914VX/NOPB 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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Part Image LM3914VX/NOPB National Semiconductor Corporation

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For a full list of alternate parts for LM3914VX/NOPB, check out Findchips.com