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ADR444ARZ - Analog Devices

Description: V-Ref Precision 4.096V 10mA

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ADR444ARZ - Analog Devices - PCB symbol
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PCB Footprints
ADR444ARZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - R8
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3D Models
ADR444ARZ - Analog Devices - 3D model - Small Outline Packages - R8
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ADR444ARZ Details

  • Manufacturer Part Number:

    ADR444ARZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    R-8

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    OUTPUT VOLTAGE CAN BE ADJUSTED OVER A 0.5 PERCENT RANGE USING TRIM PIN

  • Analog IC - Other Type:

    THREE TERMINAL VOLTAGE REFERENCE

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • 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:

    4.101 V

  • Output Voltage-Min:

    4.091 V

  • Output Voltage-Nom:

    4.096 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    18 V

  • Supply Voltage-Min (Vsup):

    4.6 V

  • Supply Voltage-Nom (Vsup):

    5.5 V

  • Surface Mount:

    YES

  • Temp Coef of Voltage-Max:

    10 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Trim/Adjustable Output:

    YES

  • Voltage Tolerance-Max:

    0.13%

  • Width:

    3.9 mm

ADR444ARZ Frequently Asked Questions (FAQs)

  • A good PCB layout for the ADR444ARZ involves keeping the analog and digital grounds 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 layer to minimize noise.
  • The ADR444ARZ is factory-calibrated, but you may need to perform a system-level calibration depending on your specific application. This can involve adjusting the output voltage using external resistors or using a calibration routine in your system's firmware.
  • The recommended power-up sequence for the ADR444ARZ is to first apply the analog power supply (VDD) and then the digital power supply (VDDIO). This ensures that the internal voltage regulators are properly enabled before the digital circuitry is powered up.
  • The ADR444ARZ has a maximum junction temperature of 150°C. To handle thermal considerations, ensure good airflow around the device, use a heat sink if necessary, and avoid blocking the thermal pads on the package. You can also use thermal interface materials to improve heat transfer.
  • To minimize electromagnetic interference, use a shielded enclosure, keep the device away from high-frequency sources, and use a common-mode choke or ferrite bead on the power supply lines. Additionally, ensure that the PCB layout is designed to minimize radiation and coupling.

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ADR444ARZ 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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ADR444ARZ Alternates

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Part Image ADR444ARZ-REEL7 Analog Devices Inc

Three Terminal Voltage Reference, 1 Output, 4.096V, Trim/Adjustable, PDSO8