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ADR444BRZ - Analog Devices

Description: ADR444BRZ, Precision Voltage Reference 4.094 to 4.098V, 0.04% 10mA 20V max. 8-Pin SOIC

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ADR444BRZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - . 8-Lead Standard Small Outline Package [SOIC_N] Narrow Body (R-8)
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ADR444BRZ - Analog Devices  - 3D model - Small Outline Packages - . 8-Lead Standard Small Outline Package [SOIC_N] Narrow Body (R-8)
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ADR444BRZ Details

  • Manufacturer Part Number:

    ADR444BRZ

  • 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:

    4.0976 V

  • Output Voltage-Min:

    4.0944 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:

    3 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Trim/Adjustable Output:

    YES

  • Voltage Tolerance-Max:

    0.04%

  • Width:

    3.9 mm

ADR444BRZ Frequently Asked Questions (FAQs)

  • A good PCB layout for the ADR444BRZ involves keeping the input and output traces separate, using a solid ground plane, and placing the device close to the power supply. Additionally, using a 4-layer PCB with a dedicated analog ground plane can help reduce noise and improve performance.
  • To ensure proper biasing, connect the VREF pin to a quiet analog ground or a voltage divider from the supply voltage. The voltage on the VREF pin should be between 1.2V and 3.6V. Also, ensure that the input voltage is within the recommended range of 0.5V to 4.5V.
  • The recommended input impedance for the ADR444BRZ is less than 1 kΩ to ensure accurate voltage measurement. Higher input impedance can lead to measurement errors and reduced accuracy.
  • The output of the ADR444BRZ is a high-impedance output, so it's essential to buffer the output with a high-input-impedance amplifier or a buffer amplifier to prevent loading and ensure accurate voltage measurement.
  • The ADR444BRZ has a thermal pad on the bottom of the package, which should be connected to a thermal plane on the PCB to dissipate heat. Proper thermal management is crucial to ensure the device operates within its specified temperature range and maintains its accuracy and stability.

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ADR444BRZ 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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Part Image ADR444BRZ-REEL7 Analog Devices Inc

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