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LT1785ACN8#PBF - Analog Devices

Description: Linear Technology LT1785ACN8#PBF, Line Transceiver, RS-422/ RS-485, 4.75 → 5.25 V, 8-Pin PDIP

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LT1785ACN8#PBF - Analog Devices PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N  Package 8-Lead PDIP (Narrow .300 Inch)
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LT1785ACN8#PBF - Analog Devices  - 3D model - Dual-In-Line Packages - N  Package 8-Lead PDIP (Narrow .300 Inch)
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LT1785ACN8#PBF Details

  • Manufacturer Part Number:

    LT1785ACN8#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    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

  • High Level Input Current-Max:

    0.000005 A

  • 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:

    70 °C

  • Out Swing-Min:

    1.2 V

  • Output Characteristics:

    DIFFERENTIAL

  • Output Low Current-Max:

    0.0016 A

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    900 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    3.429 mm

  • Supply Current-Max:

    9 mA

  • Supply Voltage-Max:

    5.25 V

  • Supply Voltage-Min:

    4.75 V

  • Supply Voltage-Nom:

    5 V

  • Supply Voltage1-Max:

    5.25 V

  • Supply Voltage1-Min:

    4.75 V

  • Supply Voltage1-Nom:

    5 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • 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:

    2000 ns

  • Width:

    7.62 mm

LT1785ACN8#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1785 involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the input and output traces. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the output capacitor has a low ESR and is properly decoupled from the input. Additionally, avoid using long input and output traces, and keep the feedback network as short as possible.
  • The maximum input voltage that the LT1785 can handle is 15V. Exceeding this voltage may damage the IC. It's recommended to add input voltage protection, such as a voltage regulator or a TVS diode, to prevent damage from voltage spikes or surges.
  • The LT1785 is rated for operation up to 125°C. However, the IC's performance and reliability may degrade at high temperatures. It's recommended to derate the IC's performance and ensure proper heat sinking and thermal management in high-temperature environments.
  • To troubleshoot issues with the LT1785, start by checking the input voltage, output voltage, and feedback network. Use an oscilloscope to check for oscillations, noise, or other anomalies. Also, verify that the component values and PCB layout meet the recommended guidelines.

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LT1785ACN8#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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