PCA9548AD,118
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NXP USA Inc. PCA9548AD,118

Manufacturer No:
PCA9548AD,118
Manufacturer:
NXP USA Inc.
Package:
Tape & Reel (TR)
Description:
IC INTERFACE SPECIALIZED 24SO
Delivery:
Payment:
iso14001
iso45001
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Product Introduction

Overview

The PCA9548AD,118 is an octal bidirectional translating switch controlled via the I²C-bus, manufactured by NXP USA Inc. This device is designed to fan out the SCL/SDA upstream pair to eight downstream pairs, allowing for the resolution of I²C slave address conflicts and enabling communication between devices with different voltage levels.

Key Specifications

ParameterValueUnit
Number of Channels8-
Interface TypeI²C, SMBus-
Maximum Clock Frequency400 kHz-
Operating Power-Supply Voltage Range2.3 V to 5.5 V-
Switch-on Resistance (RON)4-20 Ω (depending on VCC)
ESD Protection2000-V Human-Body Model, 200-V Machine Model, 1000-V Charged-Device Model-
Package24-SOIC-
Mounting StyleSMD/SMT-

Key Features

  • 1-of-8 bidirectional translating switches
  • I²C bus and SMBus compatible
  • Active-low reset input
  • Three hardware address pins for use of up to eight PCA9548A devices on the I²C bus
  • Channel selection via I²C bus
  • Power-up with all switch channels deselected
  • Allows voltage-level translation between 1.8-V, 2.5-V, 3.3-V, and 5-V buses
  • No glitch on power up
  • Supports hot insertion
  • Low standby current
  • 5-V tolerant inputs

Applications

  • Servers
  • Routers (Telecom Switching Equipment)
  • Factory Automation
  • Products with I²C slave address conflicts (e.g., multiple identical temperature sensors)

Q & A

  1. What is the PCA9548AD,118 used for?
    The PCA9548AD,118 is used to resolve I²C slave address conflicts and to enable communication between devices with different voltage levels.
  2. How many channels does the PCA9548AD,118 have?
    The PCA9548AD,118 has eight bidirectional translating switches.
  3. What is the maximum clock frequency of the PCA9548AD,118?
    The maximum clock frequency is 400 kHz.
  4. What is the operating power-supply voltage range of the PCA9548AD,118?
    The operating power-supply voltage range is from 2.3 V to 5.5 V.
  5. Does the PCA9548AD,118 support hot insertion?
    Yes, it supports hot insertion.
  6. What type of ESD protection does the PCA9548AD,118 have?
    The PCA9548AD,118 has ESD protection exceeding 2000-V Human-Body Model, 200-V Machine Model, and 1000-V Charged-Device Model.
  7. What package type is the PCA9548AD,118 available in?
    The PCA9548AD,118 is available in a 24-SOIC package.
  8. Can the PCA9548AD,118 be used with multiple devices on the same I²C bus?
    Yes, it can be used with up to eight PCA9548A devices on the same I²C bus using three hardware address pins.
  9. Does the PCA9548AD,118 have a reset feature?
    Yes, it has an active-low reset input.
  10. What are some common applications of the PCA9548AD,118?
    Common applications include servers, routers, factory automation, and products with I²C slave address conflicts.

Product Attributes

Applications:Translating Switch
Interface:I²C, SMBus
Voltage - Supply:2.3V ~ 3.6V, 4.5V ~ 5.5V
Package / Case:24-SOIC (0.295", 7.50mm Width)
Supplier Device Package:24-SO
Mounting Type:Surface Mount
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In Stock

$2.62
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Similar Products

Part Number PCA9548AD,118 PCA9542AD,118 PCA9543AD,118 PCA9544AD,118 PCA9545AD,118 PCA9546AD,118 PCA9548AD,112
Manufacturer NXP USA Inc. NXP USA Inc. NXP USA Inc. NXP USA Inc. NXP USA Inc. NXP USA Inc. NXP USA Inc.
Product Status Active Obsolete Active Obsolete Active Active Obsolete
Applications Translating Switch 2-Channel I²C Multiplexer 2-Channel I²C Multiplexer Translating Switch 4-Channel I²C Switcher Translating Switch Translating Switch
Interface I²C, SMBus I²C I²C, SMBus I²C, SMBus I²C I²C, SMBus I²C, SMBus
Voltage - Supply 2.3V ~ 3.6V, 4.5V ~ 5.5V 2.3V ~ 5.5V 2.3V ~ 5.5V 2.3V ~ 3.6V, 4.5V ~ 5.5V 2.3V ~ 3.6V, 4.5V ~ 5.5V 2.3V ~ 5.5V 2.3V ~ 3.6V, 4.5V ~ 5.5V
Package / Case 24-SOIC (0.295", 7.50mm Width) 14-SOIC (0.154", 3.90mm Width) 14-SOIC (0.154", 3.90mm Width) 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width) 16-SOIC (0.154", 3.90mm Width) 24-SOIC (0.295", 7.50mm Width)
Supplier Device Package 24-SO 14-SO 14-SO 20-SO 20-SO 16-SO 24-SO
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount

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