ADM809-5SART Voltage Supervisor by Analog Devices Inc.

The ADM809-5SART is a highly reliable voltage supervisor designed to maintain system integrity during power fluctuations and outages. Manufactured by Analog Devices Inc., a leader in precision high-performance integrated circuits, this component is essential for applications where voltage supervision is critical for the proper functioning of electronic systems.

Key Features

• Precision Voltage Monitoring: The ADM809-5SART monitors the supply voltage and keeps systems stable by providing a reset signal to the microprocessor whenever the monitored voltage drops below the factory set threshold of 4.63V.
• Low Power Consumption: This device is designed for low power consumption, making it an ideal choice for power-sensitive applications.
• Reset Output Stage: The reset output stage can be configured to either a push-pull or open-drain configuration, providing flexibility in interfacing with different types of microprocessors or digital systems.
• Manual Reset Input: It features a manual reset input that allows the user to initiate a system reset, offering additional control over the system operation.
• High Accuracy: With high accuracy in monitoring the threshold voltage, it ensures reliable operation and protection for the system.

Applications

The ADM809-5SART is suitable for a wide range of applications, including:

• Computers and Servers
• Embedded Systems
• Portable/Battery-Powered Equipment
• Industrial Control Systems
• Automotive Electronics

Technical Specifications

The device comes in a compact SOT-23 package and operates over a wide temperature range. It has a threshold voltage precision of ±1.5% and a reset timeout period of 140 ms minimum, ensuring that the system has sufficient time to recover before resuming operation.

Conclusion

With its precision voltage monitoring and low power consumption, the ADM809-5SART from Analog Devices Inc. is an excellent choice for designers looking to enhance system reliability and performance. Its versatile features and robust design make it a go-to component for a variety of critical applications where voltage supervision is a necessity.