ADM823LYKSZ-R7

Supervisors Overview

The ADM823LYKSZ-R7 is a supervisory circuit manufactured by Analog Devices Inc., designed for power supply management in compact electronic systems. It operates within a voltage range of up to 5.5 V and features a fixed reset threshold voltage of 4.63 V. The device integrates a watchdog timer with a manual reset capability, ensuring system reliability through active low push-pull output. It supports a reset delay time of 280 ms and maintains an operating supply current of 24 µA. The component functions across an extended temperature range from -40 °C to +125 °C and is housed in a 5-lead SC-70 package.

Supervisors Feature Summary

• Integrates a watchdog timer with manual reset functionality for enhanced system supervision
• Provides a fixed reset threshold voltage of 4.63 V for precise power monitoring
• Features an active low push-pull output driver for direct interface compatibility

Supervisors Applications

• Portable battery-powered equipment requiring low standby current
• Microprocessor-based systems needing reliable power-on reset sequences
• Industrial control units operating in extended temperature environments

Supervisors Procurement Notes

Verify the specific suffix LYKSZ-R7 against official Analog Devices documentation to confirm the exact threshold voltage and package variant. Ensure the source document explicitly lists this part number as available or supported. Cross-reference the manufacturer's latest datasheet revision to validate electrical characteristics and packaging details before procurement.

Supervisors Selection Notes

Select this component when a fixed 4.63 V threshold is required for single-channel power monitoring. Consider the 24 µA supply current for battery-sensitive designs. Verify that the SC-70 package dimensions fit the target PCB layout. Confirm that the integrated watchdog and manual reset features align with the system's fault recovery requirements without additional external logic.

Supervisors Part Context

This part belongs to the ADM823 series of supervisory circuits from Analog Devices. The series typically offers various threshold voltages and package options to suit different application needs. The LYKSZ-R7 designation specifically indicates the 4.63 V threshold variant in the 5-lead SC-70 reel packaging format.

Supervisors Replacement Considerations

Consult Analog Devices official substitution guides for compatible parts within the ADM823 family. Verify pinout compatibility and electrical parameter equivalence for any potential replacements.