**ADG709BRU: 4-Channel, Low Voltage, CMOS Multiplexer for Precision Signal Routing**
In the realm of modern electronic design, the accurate routing of analog and digital signals is paramount. The **ADG709BRU** from Analog Devices stands as a critical component in this domain, offering designers a robust and highly efficient solution for multiplexing precision signals. This 4-channel, low-voltage CMOS multiplexer is engineered to deliver exceptional performance in a wide array of applications, from portable medical devices and automated test equipment to data acquisition systems and communication infrastructure.
The core functionality of the ADG709BRU is to select one of four independent input signals and connect it to a common output, a process known as multiplexing. What sets this device apart is its **optimization for low-voltage operation**, typically between 1.8 V and 5.5 V. This makes it exceptionally suited for battery-powered and space-constrained applications where minimizing power consumption without sacrificing signal integrity is a primary design goal. The CMOS construction ensures **very low power dissipation** and enables rail-to-rail signal handling, which is essential for maximizing the dynamic range in precision systems.
A key attribute of the ADG709BRU is its **low on-resistance (Ron)** of just 5 Ω (typical). This minimal resistance is crucial as it reduces voltage drop and signal distortion across the switch, ensuring that even delicate analog signals are passed through with high fidelity. Furthermore, the on-resistance flatness across the input signal range is exceptionally low, preserving linearity and minimizing harmonic distortion. The device also features **break-before-make switching action**, a critical safety function that prevents momentary shorting between channels during switching transitions, thereby protecting sensitive downstream components.
Beyond its electrical performance, the ADG709BRU is designed for robustness and ease of integration. It is available in a compact **TSSOP-16 package**, ideal for high-density PCB layouts. Its digital interface is simple, controlled by two binary address lines (A0, A1) and an enable pin, allowing for straightforward interfacing with microcontrollers, FPGAs, and digital signal processors. This combination of high performance and simple control makes it a versatile building block for complex systems.
**ICGOOODFIND:** The ADG709BRU is a superior choice for designers seeking a reliable, high-performance multiplexer for precision signal routing. Its combination of **low voltage operation, minimal on-resistance, and robust CMOS design** makes it an indispensable component for enhancing signal integrity and reducing power consumption in advanced electronic applications.
**Keywords:** Low Voltage Multiplexer, CMOS Analog Switch, Precision Signal Routing, Low On-Resistance, Break-Before-Make Switching.
