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MAX3490ESA+ - Analog Devices

Description: MAX3490ESA+, Line Transceiver, RS-485, RS-422 10Mbit/s Differential, 3.3V, 8-Pin SOIC

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MAX3490ESA+ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MAX3490ESA+
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MAX3490ESA+ Details

  • Manufacturer Part Number:

    MAX3490ESA+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    8-SOIC_N-150_MIL

  • Package Description:

    0.150 INCH, 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:

    1994-12-01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • 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-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    1.5 V

  • Output Characteristics:

    TOTEM-POLE

  • Output Low Current-Max:

    0.0025 A

  • Output Polarity:

    COMPLEMENTARY

  • 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:

    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

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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

MAX3490ESA+ Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX3490ESA+ 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, the MAX3490ESA+ requires a single 3.3V or 5V power supply. The power supply should be clean and well-regulated, with minimal noise and ripple. It's also essential to follow the power-up sequence recommended in the datasheet, which involves powering up the device in the correct order (VCC, then VEE).
  • The MAX3490ESA+ can support data rates up to 100Mbps, but the actual data rate achievable depends on the specific application, cable length, and signal quality. To achieve the highest data rates, it's essential to use high-quality cables, minimize signal attenuation, and optimize the transmitter and receiver settings.
  • Common issues with the MAX3490ESA+ include signal integrity problems, data transmission errors, and power-up issues. To troubleshoot these issues, engineers can use tools such as oscilloscopes, logic analyzers, and signal generators to analyze the signal quality and transmission. They can also check the power supply, PCB layout, and device configuration to ensure they meet the recommended specifications.
  • The MAX3490ESA+ is a RS-485 transceiver, and it's compatible with other RS-485 devices and transceivers that follow the same protocol and specifications. However, compatibility issues may arise if the devices have different voltage levels, data rates, or signal polarities. Engineers should ensure that the devices are compatible before integrating them into their system.

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MAX3490ESA+ Overview

Use the download button to access the MAX3490ESA+ schematic symbol, PCB footprint, and 3D model.
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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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