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MAX3082ECSA+ - Analog Devices

Description: MAX3082ECSA+, Line Transceiver, EIA/TIA-485, RS-485, RS-422 Differential, 4.75 → 5.25 V, 8-Pin SOIC

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MAX3082ECSA+ - Analog Devices - PCB symbol
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PCB Footprints
MAX3082ECSA+ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 8-SOIC-22
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MAX3082ECSA+ - Analog Devices - 3D model - Small Outline Packages - 8-SOIC-22
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MAX3082ECSA+ Details

  • Manufacturer Part Number:

    MAX3082ECSA+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    8-SOIC_N-150_MIL

  • Package Description:

    SO-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    8-SOIC_N-150_MIL

  • Country Of Origin:

    Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    2000-11-07

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • 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:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Out Swing-Min:

    2 V

  • Output Low Current-Max:

    0.004 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):

    260

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    200 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    1 mA

  • Supply Voltage-Max:

    5.25 V

  • Supply Voltage-Min:

    4.75 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Transmit Delay-Max:

    2600 ns

  • Width:

    3.9 mm

MAX3082ECSA+ Frequently Asked Questions (FAQs)

  • A good PCB layout practice for the MAX3082ECSA+ is to keep the signal traces short and away from the power traces, use a solid ground plane, and add decoupling capacitors close to the device. Additionally, it's recommended to use a shielded cable for the RS-485 bus and to keep the cable length as short as possible.
  • To ensure reliable communication in a noisy industrial environment, use a shielded cable, implement error-checking mechanisms such as CRC or checksum, and consider using a repeater or an isolator to boost the signal and provide electrical isolation. Additionally, adjust the transmitter output voltage and the receiver threshold to optimize the signal-to-noise ratio.
  • The maximum cable length supported by the MAX3082ECSA+ depends on the data rate, cable type, and environment. As a general rule, the maximum cable length is approximately 4000 feet (1219 meters) at 115.2 kbps, 1000 feet (305 meters) at 921.6 kbps, and 500 feet (152 meters) at 2.5 Mbps. However, it's recommended to consult the datasheet and perform tests to determine the maximum cable length for a specific application.
  • To troubleshoot common issues with the MAX3082ECSA+, start by checking the power supply voltage, signal integrity, and cable connections. Use an oscilloscope to verify the signal waveform and amplitude. Check for noise, distortion, or reflections on the signal lines. Also, verify that the transmitter and receiver are properly configured and that the baud rate, data bits, and parity are correctly set. Consult the datasheet and application notes for more troubleshooting tips.
  • Yes, the MAX3082ECSA+ can be used in a multi-drop configuration. To do so, connect multiple receivers to a single transmitter, and use a common ground and a single termination resistor at the farthest receiver. Ensure that the total bus capacitance does not exceed 250 pF, and adjust the transmitter output voltage and the receiver threshold accordingly. Consult the datasheet and application notes for more information on multi-drop configuration.

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MAX3082ECSA+ 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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