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MAX491ECPD+ - Analog Devices

Description: MAX491ECPD+, Line Transceiver, RS-485, RS-422 2.5 Mbit/s Differential, 4.75 → 5.25 V, 14-Pin PDIP

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MAX491ECPD+ - Analog Devices PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 14-Pin PDIP_
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MAX491ECPD+ - Analog Devices  - 3D model - Dual-In-Line Packages - 14-Pin PDIP_
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MAX491ECPD+ Details

  • Manufacturer Part Number:

    MAX491ECPD+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    14-PDIP-300_MIL

  • Package Description:

    0.300 INCH, LEAD FREE, PLASTIC, MS-001AC, DIP-14

  • Pin Count:

    14

  • Manufacturer Package Code:

    14-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:

    1995-09-23

  • 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-T14

  • JESD-609 Code:

    e3

  • Length:

    19.05 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:

    0.004 A

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP14,.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:

    COMMERCIAL

  • 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

MAX491ECPD+ Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX491ECPD+ placed near the signal source, with a solid ground plane, and using short traces to minimize noise and signal reflections. Also, ensure that the input and output pins are not routed near each other to prevent crosstalk.
  • The MAX491ECPD+ has built-in ESD protection, but it's still recommended to add external ESD protection devices, such as TVS diodes or ESD arrays, to protect the device from electrostatic discharge events.
  • The recommended power-up sequence is to apply the power supply voltage (VCC) before applying the input signal. This ensures that the device is properly biased and configured before the input signal is applied.
  • To troubleshoot issues, start by checking the power supply voltage and ensuring it's within the recommended range. Then, check the input signal and ensure it's within the recommended range. Use an oscilloscope to verify the output signal and check for signs of distortion or noise. If issues persist, consult the datasheet and application notes for further guidance.
  • The MAX491ECPD+ is rated for operation over the extended industrial temperature range of -40°C to +125°C. However, the device's performance may degrade at extreme temperatures, and it's recommended to consult the datasheet for specific temperature-related specifications.

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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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For a full list of alternate parts for MAX491ECPD+, check out Findchips.com