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MAX490EPA+ - Analog Devices

Description: RS-422/RS-485 Interface IC RS-485/RS-422 Transceiver

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MAX490EPA+ - Analog Devices PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - P8-1-1
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MAX490EPA+ - Analog Devices  - 3D model - Dual-In-Line Packages - P8-1-1
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MAX490EPA+ Details

  • Manufacturer Part Number:

    MAX490EPA+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    8-PDIP-300_MIL

  • Package Description:

    PLASTIC, DIP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    8-PDIP-300_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:

    2000-01-13

  • 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-PDIP-T8

  • JESD-609 Code:

    e3

  • Length:

    9.375 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:

    0.004 A

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    150 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    4.572 mm

  • Supply Current-Max:

    0.5 mA

  • Supply Voltage-Max:

    5.25 V

  • Supply Voltage-Min:

    4.75 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Transmit Delay-Max:

    60 ns

  • Width:

    7.62 mm

MAX490EPA+ Frequently Asked Questions (FAQs)

  • A good PCB layout practice for the MAX490EPA+ is to keep the analog and digital grounds separate, use a solid ground plane, and keep the input and output traces short and away from each other. Additionally, use a ferrite bead or a 10Ω resistor in series with the VCC pin to filter out high-frequency noise.
  • To ensure proper power-up and initialization, make sure to follow the recommended power-up sequence: VCC, then VLOGIC, and finally the input signals. Also, ensure that the VCC and VLOGIC pins are decoupled with 0.1μF and 1μF capacitors, respectively, to filter out noise and voltage spikes.
  • The MAX490EPA+ can support data rates up to 100Mbps, but the actual data rate may vary depending on the specific application, PCB layout, and noise environment. It's recommended to consult the datasheet and perform thorough testing to determine the maximum data rate for a specific design.
  • Yes, the MAX490EPA+ can be used in hot-swap or hot-plug applications, but it's essential to ensure that the device is properly powered down before the hot-swap event to prevent damage. Additionally, consider using external protection devices, such as TVS diodes, to protect the MAX490EPA+ from voltage surges and spikes.
  • To troubleshoot common issues with the MAX490EPA+, start by checking the power supply voltage, input signal integrity, and output loading conditions. Use an oscilloscope to verify the input and output waveforms, and consult the datasheet for specific troubleshooting guidelines. Additionally, consider using a logic analyzer or a protocol analyzer to debug the digital signals.

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MAX490EPA+ 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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