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LTC490IN8#PBF - Analog Devices

Description: Linear Technology LTC490IN8#PBF, 1-RX Line Receiver, RS-422, RS-485, 5 V, 8-Pin PDIP

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LTC490IN8#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC490IN8#PBF - Analog Devices PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 8-Lead PDIP (N8)
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LTC490IN8#PBF - Analog Devices - 3D model - Dual-In-Line Packages - 8-Lead PDIP (N8)
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LTC490IN8#PBF Details

  • Manufacturer Part Number:

    LTC490IN8#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    PLASTIC, DIP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1510 (N8)

  • 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:

    1

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-422; EIA-485

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e3

  • Length:

    10.16 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    TOTEM-POLE

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    150 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    3.937 mm

  • Supply Voltage-Max:

    5.25 V

  • Supply Voltage-Min:

    4.75 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

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

    30

  • Transmit Delay-Max:

    50 ns

  • Width:

    7.62 mm

LTC490IN8#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC490IN8 involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing noise coupling between the input and output stages. A 4-layer PCB with a dedicated analog ground plane is recommended.
  • To ensure accurate temperature measurement, it's essential to calibrate the device, use a high-accuracy voltage reference, and minimize thermal gradients on the PCB. Additionally, the device should be mounted in a way that minimizes thermal coupling to the surrounding environment.
  • The maximum cable length for the remote sense lines depends on the specific application and the noise environment. As a general rule, keep the sense lines as short as possible (less than 10 inches) and use twisted pair cables to minimize noise pickup. If longer cables are necessary, use shielded cables and consider adding noise filtering or amplification.
  • Yes, the LTC490IN8 can be used with a switching power supply, but it's essential to ensure that the power supply's output noise is within the device's specified noise tolerance. Additionally, consider adding noise filtering or decoupling capacitors to minimize the impact of power supply noise on the device's performance.
  • To troubleshoot common issues with the LTC490IN8, start by checking the PCB layout and ensuring that it meets the recommended layout guidelines. Verify that the input and output voltages are within the specified ranges, and check for noise or oscillations on the input and output lines. Use an oscilloscope to visualize the waveforms and identify any anomalies. Consult the datasheet and application notes for specific troubleshooting guidance.

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LTC490IN8#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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