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ADUM1255ASA+ - Analog Devices

Description: • Low VOL(MAX) for Greater I2C Device Compatibility • Side 1: 0.69V • Side 2: 0.4V • Independent VDD1/VDD2 Supplies Support 3.3V and 5V Logic Voltage Levels and Allow Level Shifting • 2.25V to 5.5V for Both Sides • Hot-Swappable Side 2 I/O Prevents Data Corruption • Initial Side 2 Connection Occurs at Bus Idle or Stop States • Bidirectional I2C Data Transfer up to 2MHz SCL • Strong Current Sinking Enables Lower RPULL-UP Values for Faster Bus Speeds • Side 1: 5mA • Side 2: 50mA • Robust Galvani

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ADUM1255ASA+ - Analog Devices - PCB symbol
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ADUM1255ASA+ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 8-Lead Standard Small Outline Package [SOIC_N] Narrow Body
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ADUM1255ASA+ - Analog Devices - 3D model - Small Outline Packages - 8-Lead Standard Small Outline Package [SOIC_N] Narrow Body
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ADUM1255ASA+ Details

  • Manufacturer Part Number:

    ADUM1255ASA+

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOIC-8

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Interface IC Type:

    DIGITAL ISOLATOR

  • JESD-30 Code:

    R-PDSO-G8

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    3

  • 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:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.25 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

ADUM1255ASA+ Frequently Asked Questions (FAQs)

  • The maximum voltage that can be applied to the input pins is 25V, but it's recommended to keep it within the supply voltage range (VDD1 and VDD2) to ensure proper operation.
  • To ensure proper isolation, make sure to keep the input and output sides separate, including the power supplies, grounds, and signal lines. Also, follow proper PCB layout guidelines to minimize capacitive coupling and electromagnetic interference.
  • The maximum data rate of the ADUM1255ASA+ is 150 Mbps, but it can be limited by the specific application, PCB layout, and signal quality.
  • The ADUM1255ASA+ is rated for operation up to 125°C, but it's essential to consider the derating of the device's performance and reliability at high temperatures. Consult the datasheet and application notes for more information.
  • It's recommended to power up the VDD1 and VDD2 supplies simultaneously, and power down VDD1 before VDD2. This ensures proper operation and prevents potential latch-up conditions.

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ADUM1255ASA+ 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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