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ULN2003AN - Texas Instruments

Description: High-Voltage, High-Current Darlington Transistor Arrays

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ULN2003AN - Texas Instruments - PCB symbol
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PCB Footprints
ULN2003AN - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T16)
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ULN2003AN - Texas Instruments - 3D model - Dual-In-Line Packages - N (R-PDIP-T16)
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ULN2003AN Details

  • Manufacturer Part Number:

    ULN2003AN

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    1991-01-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Built-in Protections:

    TRANSIENT

  • Driver Number of Bits:

    7

  • Interface IC Type:

    BUFFER OR INVERTER BASED PERIPHERAL DRIVER

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    OPEN-COLLECTOR

  • Output Current Flow Direction:

    SINK

  • Output Current-Max:

    0.5 A

  • Output Peak Current Limit-Nom:

    0.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Seated Height-Max:

    5.08 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Turn-off Time:

    1 µs

  • Turn-on Time:

    1 µs

  • Width:

    7.62 mm

ULN2003AN Frequently Asked Questions (FAQs)

  • The maximum current that each output of ULN2003AN can handle is 500mA. However, it's recommended to derate the current to 350mA for reliable operation.
  • To calculate the power dissipation of ULN2003AN, you need to consider the voltage drop across each output transistor and the current flowing through it. The power dissipation can be calculated using the formula: Pd = Σ(Vce * Ic) for each output, where Vce is the collector-emitter voltage and Ic is the collector current.
  • The minimum input voltage required for ULN2003AN to function properly is 2.4V. However, it's recommended to use a minimum input voltage of 3V for reliable operation.
  • Yes, ULN2003AN can be used as a relay driver. However, you need to ensure that the relay coil current is within the maximum current rating of each output (500mA) and that the relay coil voltage is within the maximum voltage rating of the device (50V).
  • To protect ULN2003AN from back-EMF when driving inductive loads, you can use a flyback diode (also known as a freewheeling diode) in parallel with the inductive load. This diode allows the current to continue flowing in the inductive load when the output is turned off, preventing back-EMF from damaging the device.

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ULN2003AN 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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ULN2003AN Alternates

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Image Part Number Model
Part Image ULN2003AN-00 Texas Instruments

Buffer/Inverter Based Peripheral Driver, 7 Driver, 0.5A, PDIP16
Part Image ULN2003ANP3 Texas Instruments

Buffer/Inverter Based Peripheral Driver, 7 Driver, 0.5A, BIPolar, PDIP16