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PCA9546AD - Texas Instruments

Description: Texas Instruments PCA9546AD, Multiplexer Switch IC Quad 4:1 Multiplexer, 2.3 → 5.5 V, 16-Pin SOIC

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PCA9546AD - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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3D Models
PCA9546AD - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G16)
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PCA9546AD Details

  • Manufacturer Part Number:

    PCA9546AD

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-16

  • Pin Count:

    16

  • 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

  • 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

  • Seated Height-Max:

    1.75 mm

  • Signal Current-Max:

    0.1 A

  • Supply Current-Max (Isup):

    0.012 mA

  • Supply Voltage-Max (Vsup):

    3.6 V

  • Supply Voltage-Min (Vsup):

    2.3 V

  • Supply Voltage-Nom (Vsup):

    2.5 V

  • Surface Mount:

    YES

  • Switch-off Time-Max:

    0.3 ns

  • Switch-on Time-Max:

    0.3 ns

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9 mm

PCA9546AD Frequently Asked Questions (FAQs)

  • The PCA9546AD can support I2C bus frequencies up to 400 kHz, but it's recommended to limit the frequency to 100 kHz for reliable operation.
  • To configure the PCA9546AD for multiple masters, connect the SCL and SDA pins of each master to the corresponding pins on the PCA9546AD. Then, use the EN pin to enable or disable the switch for each master.
  • The PCA9546AD can drive up to 400 pF of capacitance on the bus, but it's recommended to limit the capacitance to 200 pF for reliable operation.
  • Yes, the PCA9546AD can be used to switch between two different I2C buses. Simply connect the SCL and SDA pins of each bus to the corresponding pins on the PCA9546AD, and use the EN pin to select which bus is active.
  • The PCA9546AD requires a power supply voltage (VCC) between 1.65 V and 5.5 V. Ensure that the power supply is stable and within the recommended range to ensure proper operation.

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PCA9546AD 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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