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REF3133AQDBZRQ1 - Texas Instruments

Description: Automotive 20-ppm/°C (max), 100-µA, 3-pin SOT-23 series voltage reference

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PCB Footprints
REF3133AQDBZRQ1 - Texas Instruments PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - DBZ0003A _ 2021
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3D Models
REF3133AQDBZRQ1 - Texas Instruments  - 3D model - SOT23 (3-Pin) - DBZ0003A _ 2021
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REF3133AQDBZRQ1 Details

  • Manufacturer Part Number:

    REF3133AQDBZRQ1

  • 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:

    2017-07-21

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    THREE TERMINAL VOLTAGE REFERENCE

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    1.8 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 Voltage-Max:

    3.3066 V

  • Output Voltage-Min:

    3.2934 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.12 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    3.3434 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temp Coef of Voltage-Max:

    20 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Trim/Adjustable Output:

    NO

  • Width:

    1.3 mm

REF3133AQDBZRQ1 Frequently Asked Questions (FAQs)

  • A good PCB layout for the REF3133AQDBZRQ1 involves placing the device close to the analog-to-digital converter (ADC) or digital-to-analog converter (DAC), using a solid ground plane, and keeping the input and output traces short and separate to minimize noise coupling.
  • To ensure proper bypassing, place a 10-100 nF ceramic capacitor between the VOUT pin and the GND pin, and a 1-10 μF electrolytic capacitor between the VIN pin and the GND pin. This helps to filter out high-frequency noise and ensure a stable output voltage.
  • The recommended input voltage range for the REF3133AQDBZRQ1 is 4.5-16 V. Operating the device within this range ensures a stable output voltage with an accuracy of ±0.05% over the entire temperature range. Operating outside this range may affect the output voltage accuracy.
  • During power-up, the REF3133AQDBZRQ1 has a soft-start feature that prevents output voltage overshoot. During power-down, the device has a built-in power-down detector that quickly discharges the output capacitor to prevent voltage overshoot. This ensures a safe and controlled power-up and power-down sequence.
  • The thermal impedance of the REF3133AQDBZRQ1 is 30°C/W. This means that for every watt of power dissipated, the junction temperature will rise by 30°C. It's essential to ensure proper thermal management, such as using a heat sink or a thermally conductive PCB, to maintain a safe operating temperature and ensure optimal performance.

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REF3133AQDBZRQ1 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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