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REF3333AIDBZR - Texas Instruments

Description: 30ppm/°C Drift, 3.9µA, SOT23-3, SC70-3, UQFN-8 Voltage Reference

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PCB Footprints
REF3333AIDBZR - Texas Instruments PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - REF3333AIDBZR-1
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3D Models
REF3333AIDBZR - Texas Instruments  - 3D model - SOT23 (3-Pin) - REF3333AIDBZR-1
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REF3333AIDBZR Details

  • Manufacturer Part Number:

    REF3333AIDBZR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-23

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    THREE TERMINAL VOLTAGE REFERENCE

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    3.5 V

  • JESD-30 Code:

    R-PDSO-G3

  • JESD-609 Code:

    e4

  • Length:

    2.92 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.005 A

  • Output Voltage-Max:

    3.45 V

  • Output Voltage-Min:

    3.3 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSOP

  • Package Equivalence Code:

    TO-236

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.12 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    3.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Temp Coef of Voltage-Max:

    30 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.9 mm

  • Terminal Position:

    DUAL

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

    30

  • Trim/Adjustable Output:

    NO

  • Voltage Tolerance-Max:

    0.15%

  • Width:

    1.3 mm

REF3333AIDBZR Frequently Asked Questions (FAQs)

  • A good PCB layout for the REF3333AIDBZR involves keeping the input and output traces short and separate, using a solid ground plane, and placing the device close to the power source. Additionally, it's recommended to use a 10nF capacitor between the VOUT and GND pins to filter out noise.
  • To ensure stability, make sure to follow the recommended PCB layout, use a sufficient output capacitor (e.g., 10uF), and keep the input voltage within the recommended range (2.7V to 5.5V). Also, avoid using long input traces and keep the device away from noise sources.
  • The REF3333AIDBZR can provide up to 50mA of output current. However, it's recommended to limit the output current to 30mA or less to ensure optimal performance and minimize power consumption.
  • The REF3333AIDBZR is rated for operation up to 125°C. However, it's essential to consider the device's thermal characteristics and ensure proper heat dissipation to prevent overheating. A heat sink or thermal pad may be necessary for high-temperature applications.
  • The output voltage of the REF3333AIDBZR is fixed at 3.3V. However, if you need a different output voltage, you can use an external resistor divider network to adjust the output voltage. Consult the datasheet for more information on output voltage adjustment.

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REF3333AIDBZR 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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