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PCA9546ADT - Texas Instruments

Description: Switch ICs - Various 4-Channel I2C And SMBus Multiplexer

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PCA9546ADT - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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PCA9546ADT - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G16)
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PCA9546ADT Details

  • Manufacturer Part Number:

    PCA9546ADT

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOP, SOP16,.25

  • Pin Count:

    16

  • Reach Compliance Code:

    Compliant

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    SINGLE-ENDED MULTIPLEXER

  • JESD-30 Code:

    R-PDSO-G16

  • 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

PCA9546ADT Frequently Asked Questions (FAQs)

  • The PCA9546ADT 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 PCA9546ADT is a voltage-level translator, which means it can connect I2C buses with different voltage levels, such as 1.8V, 2.5V, 3.3V, or 5V.
  • To ensure correct switching, make sure to use the EN (enable) pin to control the switch, and use the SCL (clock) and SDA (data) pins to connect the two I2C buses. Also, ensure that the voltage levels of the two buses are within the recommended operating range.
  • The PCA9546ADT can drive I2C buses with capacitance up to 400 pF, but it's recommended to limit the capacitance to 100 pF for reliable operation.
  • Yes, the PCA9546ADT can connect I2C buses with different clock frequencies, but it's recommended to ensure that the clock frequency of the slave device is within the recommended operating range of the PCA9546ADT.

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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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