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PCA9546ADW - Texas Instruments

Description: Texas Instruments PCA9546ADW, Multiplexer Switch IC Quad 4:1 Multiplexer, 2.3 → 5.5 V, 16-Pin SOIC

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PCA9546ADW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0016A
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PCA9546ADW - Texas Instruments  - 3D model - Small Outline Packages - DW0016A
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PCA9546ADW Details

  • Manufacturer Part Number:

    PCA9546ADW

  • 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

PCA9546ADW Frequently Asked Questions (FAQs)

  • The PCA9546ADW 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 PCA9546ADW for multi-master I2C bus operation, you need to connect the INT pin to the interrupt input of the microcontroller, and use the I2C bus arbitration mechanism to prevent data corruption. You can also use the PCA9546ADW's built-in bus arbitration feature by setting the ARB_EN bit in the control register.
  • The PCA9546ADW can support up to 8 devices on each channel, but the total number of devices on the I2C bus should not exceed 128 to avoid bus loading issues.
  • The PCA9546ADW can be reset by pulling the RESET pin low for at least 1 ms. This will reset the device to its default state and clear all internal registers.
  • The power consumption of the PCA9546ADW depends on the operating frequency and the number of channels enabled. Typically, the device consumes around 1.5 mA when all channels are enabled and the I2C bus is operating at 100 kHz.

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PCA9546ADW 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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