**The ADG712BR: A High-Performance CMOS SPST Switch for Precision Signal Routing Applications**

In the realm of electronic design, the accurate routing of analog and digital signals is paramount. The **ADG712BR** from Analog Devices stands as a quintessential solution, a high-performance, single-pole/single-throw (SPST) switch engineered to meet the stringent demands of precision instrumentation, communication systems, and automated test equipment.

Fabricated on an **advanced CMOS process**, the ADG712BR integrates four independently controllable SPST switches. This monolithic construction is fundamental to its exceptional performance, offering **ultra-low power consumption** and a remarkably small die size, which contributes to reduced parasitic effects. A key attribute of this device is its **low on-resistance (Ron) of just 2.5 Ω**, which remains exceptionally flat across the entire analog input range. This minimal and linear resistance is critical as it minimizes signal attenuation and distortion, ensuring the integrity of even the most delicate signals is preserved during switching operations.

Furthermore, the switch boasts an impressive **-3 dB bandwidth exceeding 200 MHz**, making it suitable for a wide array of high-speed signal routing applications. The fast switching times, with tON typically at 20 ns and tOFF at 12 ns, enable rapid channel selection, which is vital for multiplexing data acquisition systems and other time-critical functions. The architecture ensures **excellent isolation and crosstalk characteristics**, preventing unwanted signal interaction between channels.

The device operates from a single **1.8 V to 5.5 V supply**, making it directly compatible with low-voltage logic and modern microcontroller units (MCUs). This wide supply range offers designers significant flexibility in both 3.3 V and 5 V systems. The ADG712BR is offered in a compact 16-lead TSSOP package, ideal for space-constrained PCB layouts, and is characterized for operation from -40°C to +85°C, ensuring reliable performance across industrial temperature ranges.

**ICGOOODFIND**: The ADG712BR emerges as a superior choice for designers seeking a reliable, high-performance switching solution. Its combination of **low on-resistance, high bandwidth, fast switching speed, and low power consumption** positions it as an indispensable component for precision signal routing, guaranteeing signal fidelity and system accuracy.

**Keywords**: CMOS Switch, Low On-Resistance, High Bandwidth, Precision Signal Routing, SPST.