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MAX3490CSA+ - Analog Devices

Description: Single Transmitter/Receiver RS-422/485 Maxim MAX3490CSA+, Line Transceiver, RS-422/ RS-485, 3.3 V, 8-pin SOIC

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MAX3490CSA+ Details

  • Manufacturer Part Number:

    MAX3490CSA+

  • 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:

    70 °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:

    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

MAX3490CSA+ Frequently Asked Questions (FAQs)

  • A good PCB layout practice for the MAX3490CSA+ is to keep the analog and digital grounds separate, use a solid ground plane, and keep the signal traces short and away from the edges of the board. Additionally, use a common-mode filter or a ferrite bead to filter out high-frequency noise on the input lines.
  • To ensure proper power and decoupling, use a high-quality power supply with low ripple and noise, and decouple the VCC pin with a 0.1uF ceramic capacitor and a 10uF electrolytic capacitor in parallel, placed as close to the VCC pin as possible.
  • The maximum cable length that can be used with the MAX3490CSA+ depends on the specific application and the type of cable used. However, as a general rule, it's recommended to keep the cable length as short as possible (less than 1 meter) to minimize signal attenuation and noise pickup.
  • To troubleshoot common issues with the MAX3490CSA+, start by checking the power supply voltage, ensuring it's within the recommended range. Then, verify that the input signals are within the specified range and that the output load is within the recommended range. Use an oscilloscope to check for oscillations or incorrect output voltage, and consult the datasheet and application notes for specific troubleshooting guidelines.
  • The MAX3490CSA+ is rated for operation up to 125°C, but it's recommended to derate the device's performance and ensure proper heat sinking to prevent overheating. Consult the datasheet and application notes for specific guidelines on using the MAX3490CSA+ in high-temperature environments.

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MAX3490CSA+ 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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