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PCA9546ADWR - Texas Instruments

Description: 4-Channel I2C And SMBus Switch With Reset Functions

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PCA9546ADWR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0016A
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PCA9546ADWR - Texas Instruments  - 3D model - Small Outline Packages - DW0016A
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PCA9546ADWR Details

  • Manufacturer Part Number:

    PCA9546ADWR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    3.9

  • Analog IC - Other Type:

    SINGLE-ENDED MULTIPLEXER

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • On-state Resistance-Max (Ron):

    45 Ω

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output:

    SEPARATE OUTPUT

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    0.012 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    2.3 V

  • Supply Voltage-Nom (Vsup):

    2.5 V

  • Surface Mount:

    YES

  • Switch-off Time-Max:

    1 ns

  • Switch-on Time-Max:

    1 ns

  • 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

PCA9546ADWR Frequently Asked Questions (FAQs)

  • The PCA9546ADWR 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 PCA9546ADWR 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.
  • To ensure correct switching, make sure to use the correct address pins (A0, A1, and A2) to select the desired bus, and use the EN pin to enable or disable the switch. Also, ensure that the I2C bus is idle before switching to a new bus.
  • The PCA9546ADWR can handle a maximum current of 10 mA on each I2C bus, but it's recommended to limit the current to 5 mA for reliable operation.
  • Yes, the PCA9546ADWR can switch between I2C buses with different clock frequencies, but the clock frequency on each bus must be within the recommended operating range of 10 kHz to 400 kHz.

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PCA9546ADWR 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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