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LM3914N-1 - Texas Instruments

Description: IC DRVR DOT/BAR DISPLAY 18DIP

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LM3914N-1 - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - NKF0018A
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LM3914N-1 - Texas Instruments  - 3D model - Dual-In-Line Packages - NKF0018A
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LM3914N-1 Details

  • Manufacturer Part Number:

    LM3914N-1

  • Brand Name:

    Texas Instruments

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    DIP-18

  • Pin Count:

    18

  • 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:

    R-PDIP-T18

  • JESD-609 Code:

    e0

  • Length:

    21.78 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    NO

  • Number of Digits/Characters:

    10-DIGIT

  • Number of Functions:

    1

  • Number of Segments:

    10

  • Number of Terminals:

    18

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    CONSTANT-CURRENT

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP18,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 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:

    NO

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

LM3914N-1 Frequently Asked Questions (FAQs)

  • R1 and R2 are used to set the full-scale voltage of the device. R1 sets the upper voltage limit, and R2 sets the lower voltage limit. The ratio of R1 to R2 determines the full-scale voltage range.
  • The values of R1 and R2 depend on the desired full-scale voltage range and the voltage reference (Vref) of the LM3914N-1. A good starting point is to choose R1 = 1 kΩ and R2 = 2 kΩ for a 0-10V full-scale range.
  • The Vref pin is used to set the voltage reference for the LM3914N-1. It is typically connected to a stable voltage source, such as a voltage regulator or a voltage reference IC.
  • The LED pins (LED1-10) should be connected to the anodes of the LEDs, and the cathodes should be connected to a current-limiting resistor and then to ground. The resistors should be chosen to limit the current to the desired value for the LEDs.
  • The SIG pin is the input signal pin, which is connected to the voltage being measured. The LM3914N-1 compares the input signal to the internal voltage reference and turns on the corresponding LEDs accordingly.

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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 LM3915N National Semiconductor Corporation

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For a full list of alternate parts for LM3914N-1, check out Findchips.com