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MAX3491CSD+T - Analog Devices

Description: RS-422/RS-485 Interface IC 3.3V Powered, 10Mbps and Slew-Rate Limited, True RS-485/RS-422 Transceivers

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MAX3491CSD+T - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 14 Narrow SO
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MAX3491CSD+T Details

  • Manufacturer Part Number:

    MAX3491CSD+T

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    14-SOIC_N-150_MIL

  • Package Description:

    SO-14

  • Pin Count:

    14

  • Manufacturer Package Code:

    14-SOIC_N-150_MIL

  • Reach Compliance Code:

    Compliant

  • 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:

    1994-12-01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Additional Feature:

    1 RECEIVER ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVER

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • High Level Input Current-Max:

    0.000002 A

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-422; EIA-485

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e3

  • Length:

    8.65 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °C

  • Out Swing-Min:

    2 V

  • Output Characteristics:

    3-STATE

  • Output Low Current-Max:

    0.0025 A

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    90 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    2.2 mA

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 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:

    35 ns

  • Width:

    3.9 mm

MAX3491CSD+T Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX3491CSD+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 MAX3491CSD+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 supply is stable.
  • The MAX3491CSD+T supports cable lengths up to 100 meters, but this can vary depending on the cable quality, signal frequency, and noise environment. It's recommended to use high-quality, shielded cables and to follow proper termination and grounding techniques.
  • The MAX3491CSD+T is a flexible device that can be configured for different data rates and protocols using external resistors and capacitors. The device can be configured for data rates up to 100Mbps and supports various protocols such as RS-485, RS-422, and PROFIBUS. Refer to the application notes and design guides for specific configuration examples.
  • The MAX3491CSD+T has built-in ESD protection up to ±15kV human-body model (HBM) and ±1kV charged-device model (CDM). Additionally, the device has latch-up protection and is designed to prevent latch-up under normal operating conditions. However, it's still recommended to follow proper ESD handling and prevention techniques during manufacturing and assembly.

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MAX3491CSD+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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