**ADG711BR: A Comprehensive Technical Overview of the High-Performance CMOS Switch**
The **ADG711BR** from Analog Devices represents a pinnacle of integration and performance within the realm of monolithic CMOS switching technology. Designed to meet the stringent requirements of modern communication, instrumentation, and automated test equipment, this device integrates four independently controllable SPST (Single-Pole, Single-Throw) switches on a single chip. Its architecture is optimized for precision signal routing, offering a compelling blend of **low power consumption, high switching speed, and minimal distortion**.
A cornerstone of the ADG711BR's performance is its **CMOS fabrication process**, which is instrumental in achieving its remarkably low power consumption, typically drawing less than 1 µW in static operation. This makes it exceptionally suitable for battery-powered and portable applications where power efficiency is paramount. Furthermore, the switches operate from a single supply voltage ranging from **+1.8 V to +5.5 V**, providing significant flexibility for interfacing with both 3.3 V and 5 V logic systems without the need for level translation.
Signal integrity is a critical metric for any switch, and the ADG711BR excels in this domain. It features an **ultra-low on-resistance (Ron) of typically 2.5 Ω**, which remains exceptionally flat across the specified signal range. This low and linear resistance is crucial for minimizing signal attenuation and distortion, especially when processing low-level or high-fidelity analog signals. The device also boasts a wide analog signal bandwidth, allowing it to handle signals up to several hundred megahertz with minimal insertion loss.
The switching dynamics are equally impressive. The ADG711BR offers **fast switching times, with tON typically at 35 ns and tOFF at 20 ns**. This rapid switching capability ensures that signals can be routed with minimal delay, which is essential for high-speed data acquisition systems and multiplexing applications. The digital control interface is equally robust, utilizing standard CMOS/TTL-compatible logic levels for easy integration with microcontrollers, FPGAs, and DSPs. Each switch is controlled by its own logic input, featuring **break-before-make switching action** to prevent momentary shorting between channels during switching transitions.
Packaged in a compact 16-lead TSSOP or SOIC, the ADG711BR is engineered for space-constrained PCB designs. Its **latch-up immune construction**, based on the proprietary iCMOS® industrial process technology, ensures superior robustness against voltage transients, a common concern in harsh industrial environments.
ICGOOODFIND: The ADG711BR stands out as a superior solution for precision signal routing, masterfully balancing ultra-low power operation with high-speed performance and exceptional signal fidelity, making it an indispensable component in advanced electronic design.
**Keywords:** CMOS Switch, Low On-Resistance, Low Power Consumption, Single-Supply Operation, Break-Before-Make.
