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MAX14780EESA+ - Analog Devices

Description: MAXIM INTEGRATED PRODUCTS - MAX14780EESA+ - Transceiver RS422, RS485, 4.5V-5.5V supply, 1 Driver, NSOIC-8

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MAX14780EESA+ - Analog Devices - PCB symbol
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MAX14780EESA+ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 8 SO (S8+4)-1
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MAX14780EESA+ - Analog Devices - 3D model - Small Outline Packages - 8 SO (S8+4)-1
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MAX14780EESA+ Details

  • Manufacturer Part Number:

    MAX14780EESA+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    8-SOIC_N-150_MIL

  • Package Description:

    SOP-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:

    2011-01-03

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • Input Characteristics:

    SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-485; TIA-485

  • JESD-30 Code:

    R-PDSO-G8

  • Length:

    4.9 mm

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    2 V

  • Output Low Current-Max:

    0.001 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    200 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    1.8 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Transmit Delay-Max:

    1000 ns

  • Width:

    3.9 mm

MAX14780EESA+ Frequently Asked Questions (FAQs)

  • A good layout and routing practice for the MAX14780EESA+ involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing trace lengths and loops. It's also recommended to place the device close to the power source and use a low-ESR capacitor for decoupling.
  • To optimize the output filter design, you should consider the output impedance, load capacitance, and desired ripple voltage. A good starting point is to use a 2nd-order LC filter with a damping ratio of 0.5 to 1.5. You can also use simulation tools like SPICE or LTspice to fine-tune the filter design.
  • Although the datasheet specifies a maximum input voltage of 5.5V, the device can handle input voltages up to 6V for short durations (e.g., during power-up or power-down). However, it's recommended to operate the device within the specified voltage range to ensure reliability and performance.
  • To ensure stability, make sure to follow the recommended layout and routing guidelines, use a suitable output capacitor, and avoid over-compensating the feedback loop. You can also add a small resistor (e.g., 1kΩ) in series with the feedback capacitor to improve stability.
  • The typical startup time for the MAX14780EESA+ is around 1ms to 2ms, depending on the input voltage, output capacitor, and load conditions. You can adjust the startup time by modifying the soft-start capacitor value or using an external soft-start circuit.

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MAX14780EESA+ 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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