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ADM3251EARWZ - Analog Devices

Description: ADM3251EARWZ, Line Transceiver, EIA/TIA-232-E, RS-232, 5 V, 20-Pin SOIC W

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ADM3251EARWZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - RW-20 (SOIC)
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ADM3251EARWZ Details

  • Manufacturer Part Number:

    ADM3251EARWZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    ROHS COMPLIANT, MS-013AC, SOIC-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    RW-20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ALSO REQUIRES 3V TO 3.7V SUPPLY

  • Differential Output:

    NO

  • Driver Number of Bits:

    1

  • Input Characteristics:

    SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-232-E; TIA-232-E; V.28

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    12.8 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    10 V

  • Output Low Current-Max:

    0.004 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max:

    145 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.5 mm

ADM3251EARWZ Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the analog and digital grounds separate and connect them at a single point. Use a ferrite bead or a 10-ohm resistor in series with the VCC pin to reduce high-frequency noise.
  • Use a reliable serial communication protocol like SPI or I2C, and ensure that the clock frequency is within the recommended range. Implement error-checking mechanisms like CRC or checksum to detect data corruption. Use a pull-up resistor on the SDA line for I2C communication.
  • The maximum cable length for the ADM3251EARWZ's RS-232 transceiver is approximately 50 feet (15.24 meters) at a data rate of 115.2 kbps. However, this can be extended up to 100 feet (30.48 meters) using a repeater or a signal conditioner.
  • Use a TVS (transient voltage suppressor) diode or a surge protector on the power supply lines. Add ESD protection devices like a 1-kV ESD diode or a 2-kV ESD capacitor on the I/O lines. Ensure that the PCB has a solid ground plane and follow proper PCB design guidelines for ESD protection.
  • Power up the VCC pin first, followed by the VREF pin. Ensure that the VCC pin is stable before applying a logic signal to the EN pin. The EN pin should be pulled high to enable the device.

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ADM3251EARWZ 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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Part Image ADM3251EARWZ-REEL Analog Devices Inc

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