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REF3450SQDBVRQ1 - Texas Instruments

Description: Voltage References Automotive, low-drift, low-power, small-footprint series voltage reference 5-SOT-23 -40 to 125

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PCB Footprints
REF3450SQDBVRQ1 - Texas Instruments PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - DBV (R-PDSO-G5)
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3D Models
REF3450SQDBVRQ1 - Texas Instruments  - 3D model - SOT23 (5-Pin) - DBV (R-PDSO-G5)
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REF3450SQDBVRQ1 Details

  • Manufacturer Part Number:

    REF3450SQDBVRQ1

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2020-08-22

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    THREE TERMINAL VOLTAGE REFERENCE

  • Input Voltage-Max:

    12 V

  • Input Voltage-Min:

    2.55 V

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e4

  • Length:

    2.9 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    10 A

  • Output Voltage-Max:

    5.0025 V

  • Output Voltage-Min:

    4.9975 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VSSOP

  • Package Equivalence Code:

    TSOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.45 mm

  • Supply Voltage-Max (Vsup):

    12 V

  • Supply Voltage-Min (Vsup):

    5.05 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temp Coef of Voltage-Max:

    6 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Trim/Adjustable Output:

    NO

  • Voltage Tolerance-Max:

    0.05%

  • Width:

    1.6 mm

REF3450SQDBVRQ1 Frequently Asked Questions (FAQs)

  • A good PCB layout for the REF3450SQDBVRQ1 involves keeping the input and output pins as close as possible to minimize noise and parasitic inductance. Additionally, use a solid ground plane and decouple the input with a 10uF capacitor to reduce noise and ripple.
  • To ensure accurate voltage output over temperature, it's essential to consider the temperature coefficient (TC) of the REF3450SQDBVRQ1. The TC is specified as 2ppm/°C. You can use external components, such as thermistors or thermocouples, to compensate for temperature variations and maintain accurate output.
  • The recommended input voltage range for the REF3450SQDBVRQ1 is between 4.5V and 18V. Operating outside this range may affect the device's accuracy, stability, and long-term reliability.
  • To protect the REF3450SQDBVRQ1 from power-on surges and ESD, use a voltage clamp, such as a TVS diode, on the input pin. Additionally, consider adding a series resistor and a capacitor to filter out high-frequency noise and transients.
  • The recommended output capacitor value for stability is 10uF to 22uF. This helps to filter out high-frequency noise and ensure stable output voltage. However, the optimal value may vary depending on the specific application and PCB layout.

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REF3450SQDBVRQ1 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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