**ADG734BRU: A 4-Channel CMOS Analog Multiplexer for High-Performance Signal Routing Systems**
In the realm of modern electronic design, the efficient and accurate routing of analog signals is a critical requirement across a vast array of applications, from precision data acquisition systems to sophisticated audio and video switching equipment. At the heart of such systems lies a fundamental component: the analog multiplexer (mux). The **ADG734BRU**, a high-performance, 4-channel single-ended analog multiplexer from Analog Devices, stands out as a premier solution engineered to meet the stringent demands of these applications.
Fabricated on an advanced **CMOS process**, the ADG734BRU is designed to offer exceptional performance characteristics. It integrates four independently selectable channels into a single, compact package, allowing it to connect one of four analog inputs to a common output based on the digital address applied to its control pins. This functionality is paramount for systems where multiple sensors or signal sources must be sequentially monitored or processed by a single downstream component, such as an analog-to-digital converter (ADC).
A key attribute of the ADG734BRU is its **low on-resistance (Ron)**, typically a mere 2.5 Ω. This remarkably low resistance is crucial as it minimizes signal attenuation and distortion, ensuring that the integrity of the analog signal is preserved during the switching process. Furthermore, the on-resistance remains flat across the analog input range, a feature known as **low Ron flatness**, which is essential for maintaining linearity and accuracy in precision measurement systems.
The device also excels in its **bidirectional signal capability**. Unlike digital multiplexers, the ADG734BRU can handle analog signals of either polarity, passing them equally well from source to drain or drain to source. This flexibility simplifies board design and increases the versatility of the system. Coupled with an ultra-low power consumption, a feature inherent to its CMOS design, the mux is an ideal choice for both portable, battery-operated devices and large-scale industrial systems where power efficiency is a priority.
To ensure signal fidelity, the multiplexer exhibits **very low leakage currents** and high off-isolation. These characteristics prevent crosstalk between disabled channels and the output, effectively isolating the active signal from potential interference. The ADG734BRU operates from a single supply ranging from 1.8 V to 5.5 V, making it compatible with a wide spectrum of logic families and modern low-voltage microcontrollers without requiring level translation.
Housed in a space-saving **TSSOP-16 package**, the ADG734BRU is designed for high-density PCB layouts. Its robust construction and excellent performance metrics make it a reliable building block in challenging environments, including industrial automation, medical instrumentation, communication infrastructure, and automated test equipment (ATE).
**ICGOOODFIND**: The ADG734BRU emerges as a superior and highly integrated solution for complex signal routing challenges. Its combination of **low on-resistance, high linearity, broad voltage compatibility, and compact form factor** establishes it as a critical component for designers striving to achieve both high performance and efficiency in their analog signal chains.
**Keywords**: Analog Multiplexer, CMOS, Low On-Resistance, Signal Integrity, Bidirectional.