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MAX3491AEASD+T - Analog Devices

Description: RS-422/RS-485 Interface IC +3.3V-Powered, +/-20kV ESD-Protected, 20Mbps and Slew-Rate-Limited RS-485/RS-422 Transceivers

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MAX3491AEASD+T - Analog Devices - PCB symbol
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PCB Footprints
MAX3491AEASD+T - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - S14+1
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MAX3491AEASD+T - Analog Devices - 3D model - Small Outline Packages - S14+1
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MAX3491AEASD+T Details

  • Manufacturer Part Number:

    MAX3491AEASD+T

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    14-SOIC_N-150_MIL

  • Package Description:

    SOIC-14

  • Pin Count:

    14

  • Manufacturer Package Code:

    14-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:

    2016-09-19

  • 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-485; EIA-422

  • JESD-30 Code:

    R-PDSO-G14

  • Length:

    8.65 mm

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    1.5 V

  • Output Low Current-Max:

    0.02 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Receive Delay-Max:

    35 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    4 mA

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Transmit Delay-Max:

    30 ns

  • Width:

    3.9 mm

MAX3491AEASD+T Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX3491AEASD+T involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the signal sources. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and to avoid routing digital signals under the device.
  • The MAX3491AEASD+T requires a single 3.3V power supply. It's recommended to use a low-noise, low-dropout regulator to power the device. Power sequencing is not critical, but it's recommended to power up the device after the analog power supply is stable.
  • The MAX3491AEASD+T supports cable lengths up to 100 meters, but this can vary depending on the specific application and cable characteristics. It's recommended to use a high-quality, shielded cable and to follow proper termination and impedance matching techniques.
  • The MAX3491AEASD+T is a highly configurable device. For a 100Mbps Ethernet connection, you would need to configure the device for a 100Mbps data rate, set the transmit and receive polarity, and adjust the equalization settings. Refer to the datasheet and application notes for specific configuration details.
  • The MAX3491AEASD+T has a maximum junction temperature of 150°C. To ensure proper heat dissipation, it's recommended to use a heat sink, follow proper PCB layout and thermal design guidelines, and keep the device away from other heat sources.

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MAX3491AEASD+T 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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