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PCA9548ADW - Texas Instruments

Description: 8-CHANNEL I2C SWITCH WITH RESET

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PCA9548ADW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW-24
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PCA9548ADW - Texas Instruments  - 3D model - Small Outline Packages - DW-24
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PCA9548ADW Details

  • Manufacturer Part Number:

    PCA9548ADW

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    SOIC

  • Pin Count:

    24

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    3.9

  • Interface IC Type:

    INTERFACE CIRCUIT

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e4

  • Length:

    15.4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    8

  • Number of Functions:

    8

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.3 V

  • Supply Voltage-Nom:

    2.5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.5 mm

PCA9548ADW Frequently Asked Questions (FAQs)

  • The PCA9548ADW can support I2C bus frequencies up to 400 kHz, but it's recommended to operate at 100 kHz or lower for reliable operation.
  • To configure the PCA9548ADW for multiple masters, connect the SCL and SDA pins of each master to the corresponding pins on the PCA9548ADW. Then, use the EN pins to enable or disable each master's access to the bus.
  • The PCA9548ADW can drive I2C buses with capacitances up to 400 pF. However, it's recommended to keep the bus capacitance below 200 pF for reliable operation.
  • Yes, the PCA9548ADW can switch between multiple I2C buses with different voltage levels, but the voltage on each bus must be within the recommended operating range of 1.65 V to 5.5 V.
  • The PCA9548ADW can be reset by pulling the RESET pin low for at least 1 ms. This will reset the device to its default state.

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PCA9548ADW Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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