Analog Devices Inc. ADG821BRM: A High-Performance CMOS Switch

The ADG821BRM from Analog Devices Inc. is a robust, monolithic CMOS device that offers superior performance in a variety of signal switching applications. Designed to operate with a single supply voltage ranging from 1.8 V to 5.5 V, this switch is ideal for battery-powered and portable devices where power efficiency is crucial. The ADG821BRM is part of Analog Devices' precision switch family, delivering high accuracy and low power operation in a compact MSOP (Micro Small Outline Package) form factor.

Key Features

• Low On-Resistance: The ADG821BRM features a low on-resistance typically around 0.4 ohms, which remains flat over the full signal range, ensuring minimal signal distortion and power loss.
• Wide Supply Voltage Range: With a versatile operating range of 1.8 V to 5.5 V, this switch can easily integrate into various circuit designs without the need for level shifting or supply voltage adjustments.
• Single Pole Double Throw (SPDT): The configuration of the switch is SPDT, which provides a high degree of flexibility for routing signals in your circuit design.
• Low Power Consumption: The ADG821BRM is optimized for low power consumption, drawing only 0.01 µA in standby mode, making it an excellent choice for power-sensitive applications.
• Fast Switching Times: With a t_ON of 13 ns and t_OFF of 10 ns, the ADG821BRM provides quick response times that are beneficial for high-speed data acquisition and multiplexing.
• High ESD Protection: Electrostatic discharge protection is built into the switch, withstanding up to 2 kV Human Body Model, which enhances the robustness of the final product.

Applications

The ADG821BRM is a versatile component that can be used in a wide range of applications, including:

• Communication Systems
• Data Acquisition Systems
• Audio and Video Signal Routing
• Battery-Powered Systems
• Sample and Hold Circuits
• Portable Test Instruments

With its high performance, reliability, and ease of use, the ADG821BRM from Analog Devices Inc. stands out as an excellent choice for designers looking to enhance their systems with a high-quality signal switch. Its small footprint and compatibility with various supply voltages make it a flexible and efficient solution for a multitude of electronic applications.