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MAX14945EWE+T - Analog Devices

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

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MAX14945EWE+T - Analog Devices - PCB symbol
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MAX14945EWE+T - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - W16M+8
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MAX14945EWE+T - Analog Devices - 3D model - Small Outline Packages - W16M+8
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MAX14945EWE+T Details

  • Manufacturer Part Number:

    MAX14945EWE+T

  • 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:

    2016-09-01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • High Level Input Current-Max:

    0.000125 A

  • Input Characteristics:

    SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-485; TIA-485; EIA-422

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    10.3 mm

  • Moisture Sensitivity Level:

    1

  • 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 Characteristics:

    3-STATE

  • Output Low Current-Max:

    0.004 A

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • 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:

    1.71 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • 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:

    1040 ns

  • Width:

    7.5 mm

MAX14945EWE+T Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX14945EWE+T 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 connecting the device to the power supply and other components.
  • The MAX14945EWE+T requires a single 3.3V power supply, and it's recommended to use a low-dropout linear regulator (LDO) to power the device. The power sequencing requirements involve powering up the device in the following order: VCC, then VDD, and finally the digital inputs. It's also important to ensure that the power supply is stable and has a low noise floor to prevent errors in the device's operation.
  • The MAX14945EWE+T has an operating temperature range of -40°C to +125°C. The device's performance may be affected at higher temperatures, with a decrease in accuracy and an increase in power consumption. It's recommended to operate the device within the specified temperature range to ensure optimal performance and reliability.
  • To troubleshoot common issues with the MAX14945EWE+T, start by checking the power supply and ensuring it's stable and within the recommended range. Verify that the device is properly configured and that the input signals are correct. Use an oscilloscope to check the output voltages and waveforms, and consult the datasheet and application notes for guidance on troubleshooting specific issues.
  • The MAX14945EWE+T has built-in ESD protection diodes on all pins, which can withstand up to 2kV of ESD voltage. To prevent latch-up, it's recommended to use a low-impedance power supply, avoid overvoltage conditions, and ensure that the device is properly powered down before disconnecting the power supply.

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MAX14945EWE+T Overview

Use the download button to access the MAX14945EWE+T schematic symbol, PCB footprint, and 3D model.
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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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