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ADM2481BRWZ - Analog Devices

Description: Half-Duplex, iCoupler Isolated RS-485 Transceiver

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ADM2481BRWZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 16-Lead Standard Small Outline Package [SOIC_W] Wide Body (RW-16)
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ADM2481BRWZ - Analog Devices  - 3D model - Small Outline Packages - 16-Lead Standard Small Outline Package [SOIC_W] Wide Body (RW-16)
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ADM2481BRWZ Details

  • Manufacturer Part Number:

    ADM2481BRWZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Manufacturer Package Code:

    RW-16

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-485-A; TIA-485-A; EIA-422; ISO 8482E

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    10.3 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    1.5 V

  • Output Low Current-Max:

    0.004 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    1050 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max:

    2.5 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    5 V

  • Supply Voltage1-Max:

    5.25 V

  • Supply Voltage1-Min:

    4.75 V

  • Supply Voltage1-Nom:

    5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Transmit Delay-Max:

    620 ns

  • Width:

    7.5 mm

ADM2481BRWZ Frequently Asked Questions (FAQs)

  • A good PCB layout practice is to keep the signal traces short and away from the power traces. Use a solid ground plane and decouple the power supply with capacitors. Also, keep the RS-485 bus traces as a twisted pair to reduce EMI.
  • Use a shielded cable for the RS-485 bus, and consider using a common-mode choke to reduce electromagnetic interference. Also, ensure that the ADM2481BRWZ is properly terminated with a 120-ohm resistor at each end of the bus.
  • The maximum cable length depends on the data rate and the specific application. As a general rule, the maximum cable length is 4000 feet (1219 meters) at a data rate of 100 kbps. However, it's recommended to consult the datasheet and perform calculations based on the specific application requirements.
  • To handle hot-swapping, ensure that the ADM2481BRWZ is powered down before connecting or disconnecting devices on the bus. Also, consider using a bus repeater or a bus switch to isolate the bus segments and prevent reflections.
  • The ADM2481BRWZ has a maximum junction temperature of 150°C. Ensure good airflow around the device, and consider using a heat sink if the device is expected to operate in high-temperature environments.

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ADM2481BRWZ 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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