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PCA9511AD from NXP,NXP Semiconductors

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PCA9511AD

Manufacturer: NXP

Hot swappable I2C-bus and SMBus bus buffer

Partnumber Manufacturer Quantity Availability
PCA9511AD NXP 12500 In Stock

Description and Introduction

Hot swappable I2C-bus and SMBus bus buffer The **PCA9511AD** from NXP Semiconductors is a versatile **I²C bus repeater** designed to extend the range and reliability of I²C communication systems. This bidirectional buffer helps mitigate signal degradation caused by long bus lines or excessive capacitive loads, ensuring robust data transmission in multi-device networks.  

Featuring **hot-swappable** capability, the PCA9511AD prevents data corruption during live insertion or removal of I²C devices, making it ideal for hot-pluggable applications. It supports **standard-mode (100 kHz) and fast-mode (400 kHz)** I²C operations while maintaining compatibility with existing I²C protocols.  

The device incorporates **level-shifting** functionality, enabling seamless interfacing between buses operating at different voltage levels (2.3V to 5.5V). Its **low standby current** consumption enhances energy efficiency in power-sensitive designs.  

With built-in **noise filtering** and **rise-time acceleration**, the PCA9511AD improves signal integrity in noisy environments. It is commonly used in industrial automation, telecommunications, and consumer electronics where reliable I²C communication is critical.  

Available in an **SO-8 package**, the PCA9511AD offers a compact and cost-effective solution for extending I²C bus performance without compromising signal quality. Its robust design ensures stable operation across a wide temperature range, making it suitable for demanding applications.

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