The ADM825LYKSZ and ADM825SYKSZ are supervisory circuits manufactured by Analog Devices Inc. These devices are designed to monitor voltage levels in electronic systems and provide a reset signal to the microcontroller or microprocessor when the voltage falls below a certain threshold. They are used to prevent erratic behavior and ensure proper system operation during power-up, power-down, and brownout conditions.

Applications:

• Microprocessor/Microcontroller Systems
• Embedded Systems
• Industrial Control Systems
• Automotive Electronics
• Portable Devices

Features:

• Precision Voltage Monitoring
• Factory-trimmed reset threshold
• Power-on Reset Generation
• Manual Reset Input
• Small Package Size
• Low Supply Current

Benefits:

• Improved System Reliability
• Prevents Data Corruption
• Ensures Proper System Initialization
• Simplified Design
• Reduced Component Count
• Low Power Consumption

Specifications:

The ADM825 series typically features a reset threshold voltage of 2.63V for the L variant and 4.63V for the S variant. The reset timeout period is typically 140ms. They operate over a wide supply voltage range and offer a manual reset input for external control. The devices are available in small surface-mount packages. Consult the Analog Devices datasheet for detailed electrical characteristics, timing diagrams, and package information. The low supply current ensures minimal impact on system power consumption.

The ADM825 supervisory circuits provide a cost-effective and reliable solution for voltage monitoring and reset generation in a wide range of applications, ensuring stable and predictable system behavior.