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REF1933AIDDCT - Texas Instruments

Description: Dual Output Vref and Vref/2 Voltage Reference

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REF1933AIDDCT - Texas Instruments PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - REF1933AIDDCT
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REF1933AIDDCT - Texas Instruments  - 3D model - SOT23 (5-Pin) - REF1933AIDDCT
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REF1933AIDDCT Details

  • Manufacturer Part Number:

    REF1933AIDDCT

  • 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

  • Additional Feature:

    INPUT VOLTAGE MAX:6V

  • Analog IC - Other Type:

    THREE TERMINAL VOLTAGE REFERENCE

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    3.32 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 Voltage-Max:

    3.3033 V

  • Output Voltage-Min:

    3.2967 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max (Isup):

    0.46 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    3.32 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Temp Coef of Voltage-Max:

    25 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:

    YES

  • Width:

    1.6 mm

REF1933AIDDCT Frequently Asked Questions (FAQs)

  • A good PCB layout for the REF1933AIDDCT involves keeping the input and output traces short and separate, using a solid ground plane, and placing the device close to the power supply. Additionally, it's recommended to use a 4-layer PCB with a dedicated analog ground plane to minimize noise and interference.
  • To ensure proper decoupling, place a 10uF ceramic capacitor between the VIN pin and the GND pin, and a 100nF ceramic capacitor between the VOUT pin and the GND pin. This will help filter out high-frequency noise and ensure stable operation.
  • The recommended input voltage range for the REF1933AIDDCT is 4.5V to 18V. Operating the device outside of this range may affect its performance and accuracy.
  • The output voltage of the REF1933AIDDCT can be adjusted by connecting a resistor divider network between the VOUT pin and the ADJ pin. The output voltage can be calculated using the formula: VOUT = 1.225V x (1 + R1/R2), where R1 and R2 are the resistors in the divider network.
  • The thermal shutdown threshold for the REF1933AIDDCT is typically around 150°C. If the device exceeds this temperature, it will shut down to prevent damage.

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REF1933AIDDCT 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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