**ADG702BRT-REEL7: A High-Performance CMOS SPDT Switch for Precision Signal Routing Applications**

In the realm of modern electronic systems, where signal integrity and precision are paramount, the selection of switching components is critical. The **ADG702BRT-REEL7**, a high-performance CMOS Single-Pole Double-Throw (SPDT) switch from Analog Devices, stands out as a premier solution designed to meet the stringent demands of precision signal routing applications. This integrated circuit excels in environments requiring minimal distortion, high isolation, and fast switching, making it an indispensable component in test and measurement equipment, medical instrumentation, communication systems, and automated test equipment (ATE).

Engineered with an advanced CMOS process, the **ADG702BRT-REEL7** offers exceptional performance characteristics. It features an **ultra-low on-resistance of just 2.5 ohms**, which remains remarkably flat across the specified signal range. This low and consistent resistance is crucial for maintaining signal amplitude and minimizing power loss, ensuring that the integrity of even the most delicate analog signals is preserved. Furthermore, the device boasts an impressive **on-resistance matching of only 0.3 ohms** between channels, which is vital for applications requiring high channel-to-channel consistency, such as in multi-channel data acquisition systems.

Another defining attribute of this SPDT switch is its **exceptional isolation performance**, typically better than -78 dB at 1 MHz. This high level of isolation effectively prevents signal leakage from the ON channel to the OFF channel, a critical factor in preventing crosstalk and maintaining signal purity in dense circuit layouts. Complementing this is its low power consumption, a inherent benefit of the CMOS design, making it suitable for portable, battery-operated devices where efficiency is key.

The **ADG702BRT-REEL7** is also designed for speed and ease of integration. It offers **fast switching times**, with tON typically at 35 ns and tOFF at 20 ns, enabling rapid signal path changes that are essential for high-speed multiplexing and data routing. The device operates from a single 1.8 V to 5.5 V supply, providing great flexibility for interfacing with both 3.3 V and 5 V logic systems without needing a level translator. Its TTL/CMOS-compatible digital inputs simplify interface with controllers and FPGAs, streamlining the design-in process.

Housed in a space-saving 6-lead SOT-23 package, the device is ideal for space-constrained PCB designs without compromising on performance or reliability. Its robust construction ensures high ESD protection, safeguarding the circuit against electrostatic discharge events during handling and operation.

**ICGOO**D**FIND**: The ADG702BRT-REEL7 emerges as a superior CMOS SPDT switch, delivering a powerful combination of **ultra-low on-resistance, high channel isolation, and fast switching speeds**. Its ability to operate seamlessly across a wide voltage range while consuming minimal power makes it an optimal choice for designers aiming to achieve precision and reliability in their signal routing architectures.

**Keywords**: CMOS SPDT Switch, Low On-Resistance, High Isolation, Precision Signal Routing, Fast Switching.