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LTC2879XMS8E#PBF - Analog Devices

Description: RS-422/RS-485 Interface IC 60V Fault Tolerant RS485/RS422 Transceiver with Operation to 175C

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LTC2879XMS8E#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MS8E Package 8-Lead Plastic MSOP,
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LTC2879XMS8E#PBF - Analog Devices - 3D model - Small Outline Packages - MS8E Package 8-Lead Plastic MSOP,
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LTC2879XMS8E#PBF Details

  • Manufacturer Part Number:

    LTC2879XMS8E#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    MSOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1662

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2018-05-02

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-485-A; TIA-485-A; EIA-422

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Receive Delay-Max:

    75 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.1 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Transmit Delay-Max:

    50 ns

  • Width:

    3 mm

LTC2879XMS8E#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC2879 involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the traces between the IC and the external components. A 4-layer PCB with a dedicated ground plane is recommended.
  • To ensure reliable communication, use a reliable SPI protocol implementation, ensure proper signal termination, and use a clock frequency within the recommended range (up to 20MHz). Also, ensure that the microcontroller's SPI pins are 5V tolerant.
  • The maximum cable length for the RS-485 interface of the LTC2879 depends on the baud rate and the cable characteristics. As a general guideline, the maximum cable length is approximately 4000 feet (1219 meters) at 9600bps and 1000 feet (305 meters) at 115200bps.
  • To handle thermal considerations, ensure good airflow around the IC, use a heat sink if necessary, and avoid blocking the airflow around the IC. The maximum junction temperature (TJ) is 150°C, and the thermal resistance (θJA) is 30°C/W.
  • The LTC2879 has built-in ESD protection, but it's still important to follow proper ESD handling procedures during assembly and testing. Use an ESD wrist strap or mat, and ensure that the PCB is properly grounded.

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LTC2879XMS8E#PBF 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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