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MAX490CUA+ - Analog Devices

Description: MAXIM INTEGRATED PRODUCTS - MAX490CUA+ - Transceiver RS422, RS485, 4.75V-5.25V supply, 1 Driver, µMAX-8

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MAX490CUA+ - Analog Devices - PCB symbol
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PCB Footprints
MAX490CUA+ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - U8-1
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3D Models
MAX490CUA+ - Analog Devices - 3D model - Small Outline Packages - U8-1
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MAX490CUA+ Details

  • Manufacturer Part Number:

    MAX490CUA+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    8-MINI_SO-N/A

  • Package Description:

    USOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    8-MINI_SO-N/A

  • 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:

    2000-01-13

  • 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:

    70 °C

  • Out Swing-Min:

    1.5 V

  • Output Characteristics:

    TOTEM-POLE

  • Output Low Current-Max:

    0.004 A

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SSOP8,.2

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    150 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    0.5 mA

  • Supply Voltage-Max:

    5.25 V

  • Supply Voltage-Min:

    4.75 V

  • Supply Voltage-Nom:

    5 V

  • Supply Voltage1-Max:

    5.25 V

  • Supply Voltage1-Min:

    4.75 V

  • Supply Voltage1-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • 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:

    60 ns

  • Width:

    3.9 mm

MAX490CUA+ Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX490CUA+ involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the signal sources. Additionally, using a shielded enclosure and minimizing the length of the input and output traces can help reduce EMI and noise.
  • The MAX490CUA+ requires a single 5V power supply, and it's recommended to use a low-dropout linear regulator or a switching regulator with a low noise output. Power sequencing is not critical, but it's recommended to power up the device after the input signals are stable to prevent latch-up or incorrect operation.
  • The maximum cable length that can be driven by the MAX490CUA+ depends on the cable characteristics, signal frequency, and termination. As a general rule, the device can drive up to 100 meters of cable at 100 Mbps, but it's recommended to use a cable with a characteristic impedance of 100 ohms and to terminate the line with a 100 ohm resistor to minimize reflections.
  • To troubleshoot common issues with the MAX490CUA+, start by checking the power supply voltage and ensuring it's within the recommended range. Then, verify that the input signals are within the specified common-mode range and that the output signals are properly terminated. Use an oscilloscope to check for signal distortion or data corruption, and ensure that the device is properly configured and initialized.
  • The MAX490CUA+ is specified to operate over an industrial temperature range of -40°C to +85°C, but it's recommended to derate the device's performance at higher temperatures. Reliability considerations include ensuring proper thermal management, using a reliable power supply, and following proper PCB design and assembly practices to minimize the risk of failure.

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MAX490CUA+ Overview

Use the download button to access the MAX490CUA+ schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like MAX49, or try a keyword search, such as Line Driver or Receivers

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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