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REF3433QDGKRQ1 - Texas Instruments

Description: Voltage References Automotive, low-drift, low-power, small-footprint series voltage reference 8-VSSOP -40 to 125

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REF3433QDGKRQ1 - Texas Instruments - PCB symbol
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PCB Footprints
REF3433QDGKRQ1 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DGK (S-PDSO-G8)
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3D Models
REF3433QDGKRQ1 - Texas Instruments - 3D model - Small Outline Packages - DGK (S-PDSO-G8)
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REF3433QDGKRQ1 Details

  • Manufacturer Part Number:

    REF3433QDGKRQ1

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • 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:

    12 V

  • Input Voltage-Min:

    2.55 V

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.01 A

  • Output Voltage-Max:

    3.30165 V

  • Output Voltage-Min:

    3.29835 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VSSOP

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.1 mm

  • Supply Voltage-Max (Vsup):

    12 V

  • Supply Voltage-Min (Vsup):

    3.8 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temp Coef of Voltage-Max:

    6 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Trim/Adjustable Output:

    NO

  • Voltage Tolerance-Max:

    0.05%

  • Width:

    3 mm

REF3433QDGKRQ1 Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a star-ground connection, with the REF3433QDGKRQ1 placed close to the analog-to-digital converter (ADC) or digital-to-analog converter (DAC), and using a separate analog ground plane to reduce noise and digital interference.
  • Use a low-ESR capacitor (e.g., 10uF) between the VCC and GND pins, and add a 1uF capacitor between the VCC and BYPASS pins. Ensure the power supply is clean and well-regulated, and consider using a voltage regulator or LDO to power the REF3433QDGKRQ1.
  • The REF3433QDGKRQ1 typically takes around 10ms to 20ms to start up and settle to its nominal output voltage. This start-up time should be considered when designing system initialization and power-on sequences to ensure the reference voltage is stable before using it in the system.
  • During power-down or brownout conditions, the REF3433QDGKRQ1 may enter a high-impedance state, which can cause the output voltage to float. To prevent this, consider adding a pull-down resistor or a voltage clamp to the output pin to ensure a safe and controlled shutdown.
  • The REF3433QDGKRQ1 is specified to operate from -40°C to 125°C. Temperature affects the output voltage, with a typical temperature coefficient of 10ppm/°C. Ensure the device is operated within the recommended temperature range, and consider using temperature compensation or calibration techniques to maintain accuracy.

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REF3433QDGKRQ1 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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