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LTC2877HDD#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTC2877HDD#PBF - PROFIBUS RS485 TX RX, 20MBPS, DFN-10

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LTC2877HDD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC2877HDD#PBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - 10-Lead (3mm × 3mm) Plastic DFN
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LTC2877HDD#PBF - Analog Devices - 3D model - Small Outline No-lead - 10-Lead (3mm × 3mm) Plastic DFN
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LTC2877HDD#PBF Details

  • Manufacturer Part Number:

    LTC2877HDD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    DFN-10

  • Pin Count:

    10

  • Manufacturer Package Code:

    05-08-1699

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ALSO OPERATE WITH 3V SUPPLY

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • High Level Input Current-Max:

    0.00002 A

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-422; EIA-485

  • JESD-30 Code:

    S-PDSO-N10

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    DIFFERENTIAL

  • Output Low Current-Max:

    0.003 A

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    SOLCC8,.12,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Receive Delay-Max:

    70 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max:

    1.2 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Transmit Delay-Max:

    50 ns

  • Width:

    3 mm

LTC2877HDD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC2877HDD involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the power supply. Additionally, it's recommended to use a 4-layer PCB with a dedicated layer for the analog signals, and to minimize the length of the traces between the device and the power supply.
  • To ensure reliable communication, make sure to use a proper SPI interface protocol, with correct clock polarity and phase settings. Also, ensure that the microcontroller's SPI clock frequency is within the recommended range of 1MHz to 10MHz. Additionally, use a pull-up resistor on the CS pin to prevent unwanted device selection.
  • The maximum cable length supported by the LTC2877HDD for RS-485 communication depends on the baud rate and the cable characteristics. As a general guideline, the maximum cable length is approximately 4000 feet at 9600bps, 2000 feet at 19200bps, and 1000 feet at 38400bps. However, it's recommended to consult the RS-485 standard and perform signal integrity analysis for specific applications.
  • The LTC2877HDD has built-in ESD protection, but it's still recommended to follow proper ESD handling procedures during assembly and testing. Use an ESD wrist strap or mat, and ensure that the device is handled in a static-free environment. Additionally, consider adding external ESD protection devices, such as TVS diodes, to the PCB design for added protection.
  • The thermal derating for the LTC2877HDD is typically around 1.5°C/W above 25°C. This means that the device's performance may degrade as the temperature increases. To minimize thermal derating, ensure good heat dissipation on the PCB, use a heat sink if necessary, and avoid operating the device at high temperatures for extended periods.

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LTC2877HDD#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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