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ADR421BR-REEL7 - Analog Devices

Description: IC VREF SERIES 2.5V 8SOIC

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ADR421BR-REEL7 - Analog Devices - PCB symbol
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ADR421BR-REEL7 - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - R-8 (SOIC)
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ADR421BR-REEL7 - Analog Devices - 3D model - Small Outline Packages - R-8 (SOIC)
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ADR421BR-REEL7 Details

  • Manufacturer Part Number:

    ADR421BR-REEL7

  • Source Url Status Check Date:

    2013-05-01 14:56:47.645

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    MS-012AA, SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    R-8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • Additional Feature:

    OUTPUT VOLTAGE CAN BE ADJUSTED OVER A +/-0.5% RANGE USING TRIM PIN

  • Analog IC - Other Type:

    THREE TERMINAL VOLTAGE REFERENCE

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e0

  • 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 Voltage-Max:

    2.501 V

  • Output Voltage-Min:

    2.499 V

  • Output Voltage-Nom:

    2.5 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):

    240

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    15 V

  • Supply Voltage-Min (Vsup):

    5 V

  • Surface Mount:

    YES

  • Temp Coef of Voltage-Max:

    3 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin/Lead (Sn85Pb15)

  • 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:

    0.12%

  • Width:

    3.9 mm

ADR421BR-REEL7 Frequently Asked Questions (FAQs)

  • Analog Devices provides a recommended PCB layout in the datasheet, but it's also recommended to follow general guidelines for precision voltage references, such as using a solid ground plane, minimizing noise and parasitic capacitance, and keeping the input and output traces separate.
  • To ensure accuracy over temperature, it's essential to follow proper PCB design and layout guidelines, use a thermally stable voltage reference, and consider the temperature coefficient of the device. Additionally, calibration and trimming may be necessary to achieve the desired accuracy.
  • The maximum power dissipation of ADR421BR-REEL7 is not explicitly stated in the datasheet, but it can be calculated based on the maximum operating temperature and thermal resistance. Typically, it's recommended to keep the power dissipation below 100mW to ensure reliable operation.
  • While ADR421BR-REEL7 is a high-precision voltage reference, it's essential to evaluate its suitability for high-reliability or aerospace applications. Analog Devices provides additional documentation and support for such applications, including radiation-hardened and high-reliability versions of the device.
  • To minimize EMI and ensure EMC, it's recommended to follow proper PCB design and layout guidelines, use shielding and filtering, and consider the device's susceptibility to electromagnetic interference. Additionally, Analog Devices provides guidance on EMI and EMC in their application notes and documentation.

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ADR421BR-REEL7 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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