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MAX3491ECSD+ - Analog Devices

Description: MAX3491ECSD+, Line Transceiver, RS-485, RS-422 15 Mbit/s Differential, 3.3 V, 14-Pin SOIC

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MAX3491ECSD+ - Analog Devices - PCB symbol
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PCB Footprints
MAX3491ECSD+ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MAX 14 SO
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3D Models
MAX3491ECSD+ - Analog Devices - 3D model - Small Outline Packages - MAX 14 SO
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MAX3491ECSD+ Details

  • Manufacturer Part Number:

    MAX3491ECSD+

  • 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

  • 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:

    1999-04-01

  • 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-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:

    1.5 V

  • Output Low Current-Max:

    0.0025 A

  • 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

  • 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

MAX3491ECSD+ Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX3491ECSD+ involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. A 4-layer PCB with a dedicated ground plane is recommended. Additionally, it's essential to follow the layout guidelines provided in the datasheet and application notes.
  • To ensure proper power-up of the MAX3491ECSD+, it's essential to follow a controlled power-up sequence. The device requires a single 3.3V or 5V power supply, and the voltage should be applied to the VCC pin before the digital inputs. The power supply should be clean and well-regulated, with minimal noise and ripple. Additionally, decoupling capacitors should be placed close to the device to filter out high-frequency noise.
  • The MAX3491ECSD+ is a high-speed transceiver that can support data rates up to 3.2Gbps. However, the actual data rate achieved depends on the specific application, PCB layout, and signal integrity. To achieve the maximum data rate, it's essential to follow the recommended PCB layout guidelines, use high-quality cables and connectors, and ensure proper signal termination.
  • To troubleshoot issues with the MAX3491ECSD+, start by verifying the power supply and ensuring that the device is properly powered. Check the signal integrity and ensure that the signals are properly terminated. Use an oscilloscope to verify the signal waveforms and check for any signs of signal degradation or distortion. If the issue persists, consult the datasheet and application notes for troubleshooting guidelines or contact Analog Devices' technical support.
  • While the MAX3491ECSD+ is primarily designed for SATA applications, it can also be used for other high-speed serial interfaces such as PCIe, USB, and DisplayPort. However, the device may require additional external components and configuration to support these protocols. Consult the datasheet and application notes for more information on using the MAX3491ECSD+ with other protocols.

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MAX3491ECSD+ 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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