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LTC1689IS#PBF - Analog Devices

Description: RS-485 Interface IC 100Mbit/s Quad RS485 Drivers

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LTC1689IS#PBF - Analog Devices - PCB symbol
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LTC1689IS#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - S Package 16-Lead Plastic Small Outline (Narrow 0.150)
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LTC1689IS#PBF - Analog Devices - 3D model - Small Outline Packages - S Package 16-Lead Plastic Small Outline (Narrow 0.150)
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LTC1689IS#PBF Details

  • Manufacturer Part Number:

    LTC1689IS#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    0.150 INCH, PLASTIC, SO-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1610 (S16)

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Differential Output:

    YES

  • Driver Number of Bits:

    4

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LINE DRIVER

  • Interface Standard:

    EIA-422; EIA-485

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    9.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    4

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max:

    5.25 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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:

    12 ns

  • Width:

    3.9 mm

LTC1689IS#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC1689IS#PBF 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 capacitors. A 4-layer PCB with a dedicated ground plane is recommended.
  • Choose capacitors with low ESR (Equivalent Series Resistance) and high ripple current ratings. X5R or X7R ceramic capacitors are recommended. The capacitor values should be chosen based on the specific application requirements, but a good starting point is 10uF for CIN and 22uF for COUT.
  • The maximum input voltage for the LTC1689IS#PBF is 28V, but it's recommended to keep the input voltage below 24V to ensure reliable operation and to prevent damage to the IC.
  • The LTC1689IS#PBF has a built-in overcurrent protection feature. To implement it, connect a resistor (RSENSE) between the SENSE pin and the output of the converter. The value of RSENSE determines the overcurrent threshold. A typical value for RSENSE is 0.1 ohms.
  • The LTC1689IS#PBF has a thermal derating of 2.5% per degree Celsius above 25°C. This means that the maximum output current decreases as the ambient temperature increases.

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LTC1689IS#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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