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ADM3485EAR - Analog Devices

Description: RS-422/RS-485 Interface IC 3 VOLT RS-485 HIGH ESD I.C.

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ADM3485EAR - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - R-8 (SOIC)
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ADM3485EAR Details

  • Manufacturer Part Number:

    ADM3485EAR

  • Source Url Status Check Date:

    2013-05-01 14:56:41.568

  • 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

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • High Level Input Current-Max:

    0.000001 A

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-422; EIA-485

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e0

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    1.5 V

  • Output Low Current-Max:

    0.0025 A

  • 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

  • Receive Delay-Max:

    90 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    1.2 mA

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Lead (Sn85Pb15)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Transmit Delay-Max:

    35 ns

  • Width:

    3.9 mm

ADM3485EAR Frequently Asked Questions (FAQs)

  • A good layout and routing practice is to keep the analog and digital grounds separate, use a solid ground plane, and keep the signal traces short and away from noise sources. Also, use a common mode choke or ferrite bead to filter the power supply lines.
  • Use a combination of ceramic and electrolytic capacitors to decouple the ADM3485EAR. A 0.1uF ceramic capacitor and a 10uF electrolytic capacitor in parallel, placed close to the device, are recommended.
  • The maximum allowed voltage on the input pins of the ADM3485EAR is 5.5V, which is the absolute maximum rating. However, it's recommended to keep the input voltage within the specified operating range of 0V to VCC-1.5V to ensure proper operation.
  • Use a logic analyzer or oscilloscope to capture the data transmission and reception waveforms. Check the signal integrity, clock frequency, and data format. Verify that the device is properly configured and that the transmission and reception protocols are correct.
  • Yes, the ADM3485EAR can be used in a hot-swappable application. However, ensure that the device is properly powered down before removal, and that the power supply is stable before re-insertion. Also, follow the recommended power-up and power-down sequences to prevent damage to the device.

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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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