**ADG709CRUZ: A Comprehensive Guide to the 5 Ω CMOS 4-Channel Multiplexer**

The **ADG709CRUZ** from Analog Devices represents a pinnacle of performance in the realm of analog multiplexers. Designed for precision signal routing in a wide array of applications, this **4-channel single-ended multiplexer** is engineered to provide exceptional signal fidelity and minimal distortion. Its defining characteristic is its remarkably low **on-resistance (Ron) of just 5 Ω**, a feature that significantly minimizes signal attenuation and power loss, making it an ideal choice for high-performance systems.

A key advantage of the ADG709CRUZ is its **CMOS construction**, which ensures not only low power consumption but also a very high off-isolation. This architecture allows the device to operate with a wide **dual-supply range of ±2.5 V to ±5.5 V or a single-supply range of 2.7 V to 5.5 V**, offering tremendous flexibility for both portable, battery-powered equipment and industrial systems. The break-before-make switching action is inherent to its design, preventing momentary shorting between channels during switching transitions and thus protecting delicate signal sources.

The device is controlled via a simple **2-bit binary address line (A0, A1)**, making its integration into digital systems straightforward. Each channel can handle analog signals that swing between the power supply rails, **VSS to VDD**, enabling it to pass both bipolar and unipolar signals with ease. Furthermore, the ADG709CRUZ boasts a very low quiescent current, which is virtually independent of the supply voltage, a critical factor for power-sensitive designs.

Housed in a compact **16-lead TSSOP package**, the ADG709CRUZ is built for space-constrained PCB layouts. Its robust design ensures **latch-up immunity** and is compliant with the EIA/JESD78 IC latch-up standard, providing enhanced reliability in harsh electrical environments. Typical applications span from industrial process control and data acquisition systems to medical instrumentation and audio/video signal routing, wherever high precision and minimal signal path interruption are paramount.

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**Keywords:**

1. **Multiplexer**

2. **Low On-Resistance**

3. **CMOS**

4. **Signal Routing**

5. **Precision Analog**