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LTC2857HDD-1#TRPBF - Analog Devices

Description: 20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceiver

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LTC2857HDD-1#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC2857HDD-1#TRPBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DD Package 8-Lead Plastic DFN (3mm × 3mm)
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LTC2857HDD-1#TRPBF - Analog Devices - 3D model - Small Outline No-lead - DD Package 8-Lead Plastic DFN (3mm × 3mm)
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LTC2857HDD-1#TRPBF Details

  • Manufacturer Part Number:

    LTC2857HDD-1#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    3 X 3 MM, LEAD FREE, PLASTIC, MO-229WEED-1, DFN-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1698

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • 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-N8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    70 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Transmit Delay-Max:

    50 ns

  • Width:

    3 mm

LTC2857HDD-1#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC2857HDD-1 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. Additionally, the datasheet provides a recommended PCB layout and land pattern that should be followed.
  • To ensure reliability in high-temperature applications, it is essential to follow proper thermal management practices. This includes providing adequate heat sinking, using a thermally conductive PCB material, and ensuring good airflow around the device. Additionally, the device should be operated within its recommended operating temperature range, and the junction temperature should be monitored to prevent overheating.
  • The LTC2857HDD-1 is a high-frequency device, and as such, it can be a source of EMI emissions. To minimize EMI emissions, it is essential to follow good PCB layout practices, such as keeping the analog and digital circuits separate, using shielding, and minimizing the length of the traces. Additionally, the use of EMI filters, such as ferrite beads or common-mode chokes, can help to reduce EMI emissions.
  • Troubleshooting issues with the LTC2857HDD-1 involves a systematic approach to identify the root cause of the problem. This includes checking the power supply, ensuring proper PCB layout and component selection, and verifying that the device is operated within its recommended operating conditions. Additionally, the use of oscilloscopes and other diagnostic tools can help to identify the source of the problem.
  • When using the LTC2857HDD-1 in a redundant or fault-tolerant system, it is essential to ensure that the devices are properly synchronized and that the system can detect and respond to faults. This may involve the use of additional circuitry, such as comparators or fault detection circuits, to monitor the device's operation and detect any faults.

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LTC2857HDD-1#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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