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PCA9543AD - Texas Instruments

Description: Two-Channel I2C-Bus Switch With Interrupt Logic and Reset

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PCA9543AD - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (-R-PDSO-G14)
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PCA9543AD - Texas Instruments  - 3D model - Small Outline Packages - D (-R-PDSO-G14)
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PCA9543AD Details

  • Manufacturer Part Number:

    PCA9543AD

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    SINGLE-ENDED MULTIPLEXER

  • JESD-30 Code:

    R-PDSO-G14

  • Length:

    8.65 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output:

    COMMON OUTPUT

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    2.3 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • 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:

    3.9 mm

PCA9543AD Frequently Asked Questions (FAQs)

  • The PCA9543AD can support I2C bus frequencies up to 400 kHz, but it's recommended to limit the frequency to 100 kHz for reliable operation.
  • Yes, the PCA9543AD can be used as a level shifter for I2C signals, allowing you to interface devices with different voltage levels.
  • To configure the PCA9543AD in dual-bus mode, you need to connect the EN pin to VCC, and then use the A0 and A1 pins to select one of the four possible bus configurations.
  • The PCA9543AD can drive I2C buses with capacitances up to 400 pF, but it's recommended to limit the capacitance to 200 pF for reliable operation.
  • Yes, the PCA9543AD provides electrical isolation between the two I2C buses, allowing you to isolate devices with different voltage levels.

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PCA9543AD 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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