**High-Performance Circuit Design Using the ADG413BR Precision CMOS Switch**

In the realm of precision analog signal routing, the selection of a switching element is paramount. The **ADG413BR from Analog Devices** stands out as a monolithic, quad, single-pole/single-throw (SPST) switch engineered to deliver exceptional performance in demanding applications. This CMOS-based switch is designed to handle both analog and digital signals with **ultra-low on-resistance and minimal distortion**, making it an indispensable component for high-accuracy systems.

A key attribute of the ADG413BR is its **break-before-make switching action**, which is crucial for preventing signal source shorts during the switching transition. This feature, combined with its low power consumption and **latch-up immune construction**, ensures robust and reliable operation even in complex, multi-channel systems. The device operates from a single ±15 V or +12 V power supply, offering design flexibility for a wide range of industrial and test equipment.

The utility of this component is best demonstrated in critical design scenarios. In **automated test equipment (ATE)**, the ADG413BR is used to route precision analog signals from sensors or sources to a high-resolution analog-to-digital converter (ADC). Its low on-resistance (typically 35 Ω) and flatness ensure that signal integrity is maintained, minimizing errors in measurement. Furthermore, in **data acquisition systems**, the switch's fast switching speed and low charge injection are vital for multiplexing multiple input channels without introducing significant crosstalk or glitches.

Another significant application is within **audio and video signal routing systems**. The low total harmonic distortion (THD) and high off-isolation of the ADG413BR prevent signal degradation, ensuring clean and accurate transmission of high-fidelity audio and video signals. Its ability to operate with bipolar signals makes it equally suitable for routing signals in process control and instrumentation.

ICGOODFIND: The ADG413BR precision CMOS switch is a cornerstone for designers seeking to enhance signal integrity, reduce power consumption, and improve system reliability in high-performance analog circuits.

**Keywords:** Precision CMOS Switch, Low On-Resistance, Signal Integrity, Break-Before-Make, Low Power Consumption.