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AD1819AJST - Analog Devices

Description: –40°C to +85°C 48-Terminal TQFP ST-48. ST = Thin Quad Flatpack

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AD1819AJST - Analog Devices - PCB symbol
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PCB Footprints
AD1819AJST - Analog Devices PCB footprint - Quad Flat Packages - Quad Flat Packages - 48-Terminal TQFP (ST-48)
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AD1819AJST - Analog Devices - 3D model - Quad Flat Packages - 48-Terminal TQFP (ST-48)
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AD1819AJST Details

  • Manufacturer Part Number:

    AD1819AJST

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QFP

  • Package Description:

    TQFP-48

  • Pin Count:

    48

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • Consumer IC Type:

    CONSUMER CIRCUIT

  • JESD-30 Code:

    S-PQFP-G48

  • JESD-609 Code:

    e0

  • Length:

    7 mm

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LFQFP

  • Package Equivalence Code:

    QFP48,.35SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, LOW PROFILE, FINE PITCH

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.6 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    7 mm

AD1819AJST Frequently Asked Questions (FAQs)

  • It's recommended to follow a star-grounding layout, keeping the analog and digital grounds separate, and placing the device close to the power supply. Additionally, ensure that the input and output traces are short and well-shielded to minimize noise and EMI.
  • To optimize performance in a noisy environment, use a low-pass filter at the input, ensure a good power supply decoupling, and consider using a shielded enclosure. Additionally, consider using a common-mode choke or a ferrite bead to filter out high-frequency noise.
  • The AD1819AJST is rated for operation from -40°C to +125°C, but it's recommended to derate the device for reliable operation above 85°C. Consult the datasheet for specific derating guidelines.
  • Yes, the AD1819AJST is suitable for battery-powered devices due to its low power consumption (typically 1.2mA). However, ensure that the power supply is well-regulated and filtered to minimize noise and ripple.
  • To troubleshoot common issues, check the power supply, ensure proper grounding, and verify that the input and output capacitors are correctly sized. Also, check for layout and routing issues, and consider using a scope or simulation tools to analyze the circuit behavior.

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AD1819AJST 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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