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PCA9548APW - NXP

Description: 8-channel I2C-bus switch with reset

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PCA9548APW - NXP PCB footprint - Small Outline Packages - Small Outline Packages - TSSOP24
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PCA9548APW - NXP  - 3D model - Small Outline Packages - TSSOP24
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PCA9548APW Details

  • Manufacturer Part Number:

    PCA9548APW

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    24

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    NXP Semiconductors

  • YTEOL:

    5

  • Analog IC - Other Type:

    SINGLE-ENDED MULTIPLEXER

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e4

  • Length:

    7.8 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • On-state Resistance-Max (Ron):

    55 Ω

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output:

    SEPARATE OUTPUT

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP24,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max (Isup):

    0.1 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:

    0.3 ns

  • Switch-on Time-Max:

    0.3 ns

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    4.4 mm

PCA9548APW Frequently Asked Questions (FAQs)

  • The PCA9548APW can support I2C bus frequencies up to 400 kHz, but it's recommended to limit it to 100 kHz for reliable operation.
  • To configure the PCA9548APW in dual-bus mode, you need to set the SEL pin high and use the I2C bus to configure the device. Then, you can use the two separate I2C buses, Bus 0 and Bus 1, to control the downstream devices.
  • The PCA9548APW can drive up to 400 pF of capacitance on the I2C bus, but it's recommended to keep the capacitance below 200 pF for reliable operation.
  • No, the PCA9548APW is designed to connect multiple I2C slaves to a single I2C master, not multiple I2C masters to a single I2C bus. You would need a different device, such as an I2C multiplexer or an I2C switch, to connect multiple I2C masters to a single I2C bus.
  • You can reset the PCA9548APW by pulling the RESET pin low for at least 1 ms. This will reset the device to its default state.

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PCA9548APW Overview

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About NXP

NXP Semiconductors is a leading manufacturer of semiconductor devices with a wide range of semiconductor solutions, including microcontrollers, sensors, connectivity solutions, power management ICs, and security solutions. These products are used in a variety of applications such as automotive, industrial automation, smart homes, mobile devices, and more. NXP Semiconductors is one of the world’s largest semiconductor companies and is headquartered in Eindhoven, the Netherlands.

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