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LTC485IS8#TRPBF - Analog Devices

Description: RS-485 Interface IC Low Power RS485 Tx/Rx

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LTC485IS8#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 8-Lead S8
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LTC485IS8#TRPBF - Analog Devices  - 3D model - Small Outline Packages - 8-Lead S8
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LTC485IS8#TRPBF Details

  • Manufacturer Part Number:

    LTC485IS8#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1610 (S8)

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Additional Feature:

    COMMON I/O; TRISTATABLE RECEIVER; 1 RECEIVER ACTIVE UNDER SHUTDOWN

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • High Level Input Current-Max:

    0.000002 A

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-422; EIA-485

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • 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:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    200 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    0.9 mA

  • Supply Voltage-Max:

    5.25 V

  • Supply Voltage-Min:

    4.75 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Transmit Delay-Max:

    50 ns

  • Width:

    3.9 mm

LTC485IS8#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC485IS8 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.
  • The LTC485IS8 requires a clean and stable power supply. Use a high-quality voltage regulator and decouple the power pins with 0.1uF and 10uF capacitors. Add a 10uF capacitor between the VCC and GND pins to filter out high-frequency noise.
  • The LTC485IS8 can support data rates up to 50Mbps, but the actual data rate depends on the specific application, cable length, and noise environment. For reliable operation, it's recommended to limit the data rate to 20Mbps or less.
  • To troubleshoot issues with the LTC485IS8, check the power supply voltage, decoupling, and PCB layout. Verify that the transmitter and receiver are properly configured and that the cable is properly terminated. Use an oscilloscope to monitor the signal quality and check for noise or distortion.
  • Yes, the LTC485IS8 can be used in a multi-point or multi-drop configuration, but it requires careful consideration of the bus topology, cable length, and termination. Ensure that the total bus length does not exceed the recommended maximum length, and use proper termination resistors to prevent signal reflections.

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LTC485IS8#TRPBF 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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