**ADG1311YRUZ: High-Performance Quad SPST CMOS Switch for Precision Analog Signal Routing**

In the realm of modern electronic design, the accurate and reliable routing of analog signals is a critical challenge, particularly in test and measurement equipment, data acquisition systems, and medical instrumentation. The **ADG1311YRUZ** stands out as a premier solution, a high-performance, quad single-pole/single-throw (SPST) CMOS switch engineered specifically for precision analog signal management.

This integrated circuit integrates four independently controllable switches into a compact, space-saving TSSOP package. A key to its exceptional performance is its **CMOS fabrication process**, which is instrumental in achieving very low on-resistance (typically 2.5 Ω) and **ultra-low power consumption**. This low on-resistance is remarkably flat across the entire analog input range, ensuring minimal signal distortion and preserving the integrity of even the most delicate waveforms.

The device operates from a single supply ranging from +3.3 V to +5.5 V or from dual supplies up to ±5.5 V, offering significant flexibility for various system architectures. Its **break-before-make switching action** is a crucial feature that prevents momentary shorting between channels during switching, thereby protecting downstream circuitry. Furthermore, the ADG1311YRUZ is designed for **beyond-the-rails signal handling**, allowing it to transmit analog signals that exceed the power supply voltages, a vital capability in many industrial applications.

Another standout attribute is its **latch-up immunity**. The switch is constructed on an advanced process that eliminates the possibility of latch-up caused by overvoltage signals, greatly enhancing the robustness and reliability of the overall system. This makes it ideally suited for harsh environments where fault conditions are possible.

In application, the ADG1311YRUZ excels in multiplexing and demultiplexing signals, modular switching arrays, and sample-and-hold circuits. Its fast switching speeds and minimal charge injection make it a perfect choice for precision data acquisition channels where speed and accuracy are paramount.

**ICGOODFIND**: The ADG1311YRUZ is a superior quad SPST analog switch that delivers a combination of low on-resistance, high precision, and robust protection features. It is an optimal component for designers who need to route analog signals with the highest fidelity and reliability in demanding applications.

**Keywords**: **CMOS Switch**, **Low On-Resistance**, **Precision Analog**, **Break-Before-Make**, **Latch-Up Immunity**.