**ADG904BRUZ: 4-Channel RF CMOS Switch with High Isolation and Low Insertion Loss**

The ADG904BRUZ is a high-performance, single-pole, four-throw (SP4T) RF switch designed using advanced CMOS technology, making it a critical component in modern wireless communication systems. It operates seamlessly across a broad frequency range from DC to 4 GHz, making it exceptionally versatile for a wide array of applications including cellular infrastructure, test and measurement equipment, satellite systems, and IoT devices. Its core architecture is engineered to provide superior RF performance while maintaining minimal power consumption.

A standout feature of the ADG904BRUZ is its **exceptionally high isolation**, which is typically -50 dB at 1 GHz. This is crucial in complex systems where signal integrity is paramount, as it effectively minimizes unwanted crosstalk and interference between channels, ensuring that transmitted and received signals remain clean and uncorrupted. Complementing this is its **remarkably low insertion loss**, typically just 0.5 dB at 1 GHz. This ensures that the maximum amount of signal power is transferred through the switch, preserving system sensitivity and overall link budget, which is vital for maintaining strong connectivity and data rates.

The device is controlled via a simple parallel interface, allowing for easy and fast switching between its four channels. Housed in a compact 16-lead TSSOP package, the ADG904BRUZ is designed for space-constrained PCB designs. Furthermore, it boasts **excellent electrostatic discharge (ESD) protection**, making it a robust and reliable choice for commercial and industrial environments. Its ability to handle RF inputs up to +27 dBm provides ample headroom for many transmit and receive paths.

ICGOOODFIND: The ADG904BRUZ stands out as an optimal solution for designers seeking a reliable, high-performance RF switch. Its winning combination of **high isolation**, **low insertion loss**, broad bandwidth, and compact form factor makes it an indispensable component for optimizing signal chain performance in next-generation RF applications.

**Keywords:** RF Switch, High Isolation, Low Insertion Loss, CMOS, SP4T.