**ADG412BRUZ-REEL7: A Comprehensive Technical Overview of Analog Devices' Monolithic Quad SPST Switch**

The **ADG412BRUZ-REEL7** is a monolithic IC fabricated on an **enhanced iCMOS (industrial CMOS)** process from Analog Devices, representing a high-performance, quad, single-pole/single-throw (SPST) switch solution. This device is engineered to deliver a superior combination of low power consumption, fast switching speeds, and high integration, making it an ideal component for a wide array of signal routing and multiplexing applications in industrial, communication, and medical systems.

A key architectural feature of the ADG412 is its **four independent SPST switches**, each capable of handling both analog and digital signals. The device is configured with three normally open (NO) switches and one normally closed (NC) switch, providing design flexibility for various circuit topologies, including multiplexers and break-before-make configurations. This monolithic integration consolidates what would require multiple discrete components into a single, compact 16-lead TSSOP package, significantly saving board space and enhancing system reliability.

The **enhanced iCMOS manufacturing process** is fundamental to the device's outstanding performance. This technology allows the ADG412 to operate with a wide dual-supply range of **±5 V to ±20 V** or a single supply from +5 V to +40 V. This broad range makes it exceptionally versatile for interfacing with both high-voltage and standard signal levels. Furthermore, iCMOS enables the device to achieve **very low power consumption** (typically < 5 µW), which is critical for power-sensitive applications, while simultaneously offering **faster switching times** (tON typically 150 ns) compared to older alternatives.

The analog performance of the ADG412 is characterized by its low on-resistance (RON typically 35 Ω) and excellent flatness across the signal range, ensuring minimal signal distortion and insertion loss. It also features **ultra-low leakage currents** (typically < 250 pA), which is paramount for maintaining signal integrity in high-precision measurement and data acquisition systems. The digital interface is straightforward, utilizing standard CMOS/TTL-compatible logic levels for control, ensuring easy integration with modern microcontrollers and FPGAs.

**ICGOOODFIND:** The ADG412BRUZ-REEL7 stands out as a robust and highly integrated solution for precision signal switching. Its combination of a wide voltage range, low power consumption from the iCMOS process, fast switching speed, and versatile switch configuration makes it an excellent choice for upgrading system performance and density in demanding industrial and instrumentation designs.

**Keywords:** iCMOS Process, Quad SPST Switch, Low Power Consumption, Wide Voltage Range, Low On-Resistance (RON)