Analog Devices Inc.

ADM1818-R23ART-RL

ADM1818-R23ART-RL Description

The ADM1818-R23ART-RL is a single-channel power supply supervisor IC from Analog Devices Inc., designed to monitor and manage power supply conditions in various electronic systems. This device is housed in a compact SOT23-3 package, making it suitable for space-constrained applications. It features a voltage threshold of 2.31V and is capable of monitoring a single voltage rail. The reset timeout is specified at a minimum of 100ms, ensuring reliable system reset behavior. The output is configured as open drain or open collector, providing flexibility in circuit design. The reset signal is active low, which is a common configuration in many digital systems.

ADM1818-R23ART-RL Features

• Single Voltage Monitoring: The ADM1818-R23ART-RL is designed to monitor a single voltage rail, making it ideal for applications where a single power supply needs to be closely monitored.
• 2.31V Voltage Threshold: The device has a precise voltage threshold of 2.31V, ensuring accurate detection of power supply levels.
• 100ms Minimum Reset Timeout: This feature ensures that the system has sufficient time to reset properly, enhancing overall system reliability.
• Open Drain/Open Collector Output: The output configuration provides flexibility in interfacing with various system architectures.
• Active Low Reset: The reset signal is active low, which is a standard configuration in many digital systems, ensuring compatibility with a wide range of applications.
• Surface Mount Technology: The surface mount package type allows for easy integration into modern PCB designs, facilitating automated manufacturing processes.
• Tape & Reel Packaging: The device is available in tape and reel packaging, which is ideal for high-volume production and automated pick-and-place assembly lines.
• Moisture Sensitivity Level 1: With an MSL rating of 1 (unlimited), the device is suitable for a wide range of environmental conditions without the need for special handling procedures.

ADM1818-R23ART-RL Applications

The ADM1818-R23ART-RL is well-suited for a variety of applications where reliable power supply monitoring is essential. Some specific use cases include:

• Embedded Systems: In embedded systems, where a single power supply rail needs to be monitored to ensure proper operation, the ADM1818-R23ART-RL provides a compact and reliable solution.
• Consumer Electronics: Devices such as smartphones, tablets, and other portable electronics often require precise power supply monitoring to ensure stable operation and prevent damage from power anomalies.
• Industrial Control Systems: In industrial applications, reliable power supply monitoring is crucial for maintaining system uptime and preventing unexpected shutdowns.
• Communication Equipment: In communication systems, where power supply integrity is critical for maintaining signal quality and system reliability, the ADM1818-R23ART-RL can be an essential component.

Conclusion of ADM1818-R23ART-RL

The ADM1818-R23ART-RL from Analog Devices Inc. is a robust and reliable power supply supervisor IC, offering precise voltage monitoring and reset functionality in a compact SOT23-3 package. Its features, such as the 2.31V voltage threshold, 100ms minimum reset timeout, and open drain/open collector output, make it a versatile solution for a wide range of applications. While the product is now obsolete, it remains a valuable component for existing designs and legacy systems. For new designs, engineers may consider exploring updated alternatives from Analog Devices Inc. or other manufacturers to leverage the latest advancements in power management technology.