**ADG5433WBRUZ: A High-Performance, 40 V Fault-Protected Triple SPDT Switch**

In the realm of precision signal routing and switching, designers are constantly challenged to protect sensitive downstream circuitry from the damaging effects of overvoltage and power supply sequencing faults. The **ADG5433WBRUZ** from Analog Devices stands out as a robust solution, engineered to deliver high performance and unparalleled system protection in a single integrated circuit.

This device is a **fault-protected, triple single-pole double-throw (SPDT) analog switch**. Each of its three independent switches can handle a continuous voltage of up to ±22 V or a single supply up to +40 V, making it exceptionally versatile for a wide range of industrial, instrumentation, and communication systems. The defining characteristic of the ADG5433WBRUZ is its **integrated fault protection circuitry**. In the event of an overvoltage condition—where a signal voltage exceeds the supply rails by as much as ±55 V—the switch automatically enters a high-impedance state. This critical feature effectively isolates the faulty channel, preventing excessive current from flowing through the switch and safeguarding the delicate components that follow, such as analog-to-digital converters (ADCs) or operational amplifiers.

Beyond protection, the ADG5433WBRUZ is engineered for **high-performance signal integrity**. It features a very low on-resistance (Ron) of just 7.5 Ω, which remains exceptionally flat across the entire signal range. This minimizes distortion and ensures accurate transmission of both analog and digital signals. Furthermore, it boasts **ultra-low leakage currents**, which is paramount for maintaining precision in high-impedance measurement applications like automated test equipment (ATE) and data acquisition systems.

Housed in a compact 20-lead TSSOP package, the device is designed for space-constrained environments. Its **latch-up immune construction** and compatibility with standard CMOS logic levels ensure easy integration and reliable operation in complex electronic systems.

ICGOODFIND: The ADG5433WBRUZ is an indispensable component for designers who cannot compromise on system reliability. Its unique combination of **robust 40 V fault protection**, low on-resistance, and high channel integration makes it a superior choice for creating resilient and high-fidelity switching systems in harsh electrical environments.

**Keywords:**

1. **Fault-Protected**

2. **SPDT Switch**

3. **40 V Operation**

4. **Overvoltage Protection**

5. **Low On-Resistance**