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ADR291GR - Analog Devices

Description: Voltage Reference, Fixed, 2.5V, 8 Pin, Plastic, SOP

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ADR291GR Details

  • Manufacturer Part Number:

    ADR291GR

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    MS-012AA, SOIC-8

  • Pin Count:

    8

  • 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-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:

    2.506 V

  • Output Voltage-Min:

    2.494 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):

    2.8 V

  • Supply Voltage-Nom (Vsup):

    3 V

  • Surface Mount:

    YES

  • Temp Coef of Voltage-Max:

    30 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Trim/Adjustable Output:

    NO

  • Voltage Tolerance-Max:

    0.24%

  • Width:

    3.9 mm

ADR291GR Frequently Asked Questions (FAQs)

  • A good PCB layout for the ADR291GR involves keeping the input and output traces short and separate, using a solid ground plane, and placing bypass capacitors close to the device. A 4-layer PCB with a dedicated analog ground plane is recommended.
  • To ensure accurate voltage regulation, make sure to decouple the input and output pins with suitable capacitors, use a stable input voltage, and minimize noise and ripple on the input voltage. Also, ensure that the output voltage is within the specified range.
  • The ADR291GR can provide up to 10mA of output current. However, it's recommended to limit the output current to 5mA or less to ensure stable operation and minimize power dissipation.
  • During power-up, the ADR291GR has a soft-start feature that ramps up the output voltage to prevent overshoots and minimize inrush current. During power-down, the output voltage decays rapidly to prevent back-feeding of the input voltage.
  • The ADR291GR is rated for operation up to 125°C, making it suitable for high-temperature applications. However, the device's accuracy and stability may degrade at higher temperatures, so it's essential to consider the specific application requirements.

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ADR291GR 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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