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MAX14946EWE+ - Analog Devices

Description: 2.75kVRMS Isolated 500kbps Half-Duplex RS-485/RS-422 Transceiver with ±30kV ESD Protection and Integrated Transformer Driver

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MAX14946EWE+ - Analog Devices - PCB symbol
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PCB Footprints
MAX14946EWE+ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 16 Wide SOIC
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3D Models
MAX14946EWE+ - Analog Devices - 3D model - Small Outline Packages - 16 Wide SOIC
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MAX14946EWE+ Details

  • Manufacturer Part Number:

    MAX14946EWE+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    16-SOIC_W-300_MIL

  • Package Description:

    SOIC-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    16-SOIC_W-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:

    2016-02-23

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-485; TIA-485; EIA-422

  • JESD-30 Code:

    R-PDSO-G16

  • Length:

    10.3 mm

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    1.5 V

  • Output Low Current-Max:

    0.004 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Receive Delay-Max:

    240 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max:

    12.5 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Supply Voltage1-Max:

    5.5 V

  • Supply Voltage1-Min:

    4.5 V

  • Supply Voltage1-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Transmit Delay-Max:

    1040 ns

  • Width:

    7.5 mm

MAX14946EWE+ Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX14946EWE+ involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the power supply. Additionally, it's recommended to use a 4-layer PCB with a dedicated layer for the analog signals, and to minimize the length of the traces between the device and the power supply.
  • To ensure reliable communication, make sure to use a proper SPI interface configuration, including correct clock polarity and phase, and a suitable clock frequency. Also, ensure that the microcontroller's SPI pins are 5V tolerant, and use a level translator if necessary. Additionally, implement error checking and handling mechanisms in your firmware to detect and recover from communication errors.
  • The maximum cable length supported by the MAX14946EWE+ depends on the specific application and the type of cable used. As a general guideline, the device can support cable lengths up to 10 meters at a data rate of 100 kbps. However, it's recommended to perform signal integrity analysis and testing to determine the maximum cable length for your specific application.
  • To ensure proper operation, it's recommended to power up the MAX14946EWE+ after the power supply has stabilized, and to power down the device before the power supply is turned off. Additionally, ensure that the power-up and power-down sequences are slow enough to prevent voltage spikes and glitches that could damage the device.
  • The MAX14946EWE+ has a maximum junction temperature of 150°C. To ensure reliable operation, it's recommended to keep the device's junction temperature below 120°C. This can be achieved by using a heat sink, improving air flow, and reducing the power consumption of the device. Additionally, ensure that the device is not exposed to extreme temperatures during storage or operation.

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MAX14946EWE+ 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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