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ADR391BUJZ-R2 - Analog Devices

Description: ADR391B 2.5V voltage reference SOT23

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ADR391BUJZ-R2 - Analog Devices - PCB symbol
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PCB Footprints
ADR391BUJZ-R2 - Analog Devices PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - UJ-5 (TSOT)_1
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ADR391BUJZ-R2 - Analog Devices - 3D model - SOT23 (5-Pin) - UJ-5 (TSOT)_1
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ADR391BUJZ-R2 Details

  • Manufacturer Part Number:

    ADR391BUJZ-R2

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSOT

  • Package Description:

    TSOT-5

  • Pin Count:

    5

  • Manufacturer Package Code:

    UJ-5

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • Analog IC - Other Type:

    THREE TERMINAL VOLTAGE REFERENCE

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e3

  • Length:

    2.9 mm

  • Moisture Sensitivity Level:

    1

  • 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:

    2.504 V

  • Output Voltage-Min:

    2.494 V

  • Output Voltage-Nom:

    2.5 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

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Max (Vsup):

    15 V

  • Supply Voltage-Min (Vsup):

    2.8 V

  • Supply Voltage-Nom (Vsup):

    3 V

  • Surface Mount:

    YES

  • Temp Coef of Voltage-Max:

    9 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Trim/Adjustable Output:

    NO

  • Voltage Tolerance-Max:

    0.16%

  • Width:

    1.6 mm

ADR391BUJZ-R2 Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate analog ground plane is recommended. Keep the analog and digital grounds separate and connect them at a single point. Use a decoupling capacitor (e.g., 10uF) between VDD and GND, and a 0.1uF capacitor between VDD and AVDD.
  • The ADR391BUJZ-R2 has an internal calibration circuit. To ensure proper calibration, apply a voltage between VDD and GND within the recommended operating range (2.7V to 5.5V) and wait for the internal calibration cycle to complete (typically 10ms).
  • The recommended input voltage range for the ADR391BUJZ-R2 is between 2.7V and 5.5V. Operating outside this range may affect the device's accuracy and stability.
  • To minimize noise sensitivity, use a low-pass filter (e.g., RC filter) at the input, keep the input traces short and away from noise sources, and use a shielded cable or a twisted pair for the input signal. Additionally, consider using a ferrite bead or a common-mode choke to filter out high-frequency noise.
  • The ADR391BUJZ-R2 has a thermal derating of 0.5mV/°C. This means that the output voltage will decrease by 0.5mV for every 1°C increase in temperature above 25°C. This can affect the device's accuracy and stability, especially in high-temperature applications.

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ADR391BUJZ-R2 Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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