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LTC485CS8#TRPBF - Analog Devices

Description: Single Transmitter/Receiver RS-422/RS-485 8-Pin SOIC N T/R

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LTC485CS8#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 8-Lead Plastic Small Outline (Narrow 0.150)
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LTC485CS8#TRPBF Details

  • Manufacturer Part Number:

    LTC485CS8#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:

    70 °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:

    COMMERCIAL

  • 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:

    50 ns

  • Width:

    3.9 mm

LTC485CS8#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC485CS8 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.
  • To ensure proper power and decoupling, use a high-quality, low-ESR capacitor (e.g., 10uF ceramic) between VCC and GND, and a 0.1uF ceramic capacitor between VCC and AVCC. Also, use a separate analog and digital power supply if possible.
  • The maximum data rate of the LTC485CS8 is 50 Mbps, but this can be affected by the quality of the transmission line, the signal amplitude, and the receiver's sensitivity. In practice, a data rate of up to 20 Mbps is typically achievable.
  • To troubleshoot issues with the LTC485CS8, use an oscilloscope to check the signal integrity, verify the transmission line impedance, and ensure proper termination. Also, check the power supply and decoupling, and verify that the receiver is properly configured.
  • Yes, the LTC485CS8 can be used in a multi-point or multi-drop configuration, but it requires careful consideration of the transmission line impedance, signal amplitude, and receiver sensitivity. It's recommended to use a repeater or a transceiver with a higher drive capability for longer transmission lines.

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LTC485CS8#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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