ADM1818-R22ART-RL

Supervisors Overview

The ADM1818-R22ART-RL is a single-channel voltage supervisor IC manufactured by Analog Devices Inc. It features a fixed reset threshold of 2.18V, designed to monitor power supply voltages and generate a reset signal when the input drops below this level. The device operates within an ambient temperature range of -40°C to +105°C and utilizes a SOT-23 surface-mount package.

Supervisors Feature Summary

• Provides reliable low-cost voltage monitoring with a dedicated reset output
• Designed for simple reset and power-on reset applications
• Features an open-drain or open-collector reset output configuration

Supervisors Applications

• Monitoring 2.5 V, 3 V, 3.3 V, and 5 V power supply rails
• Embedded system power management supervision
• Microcontroller reset circuit protection

Supervisors Procurement Notes

Verify component status carefully as this specific revision may be discontinued. Confirm availability through authorized distributors or check for parameter-equivalent alternatives if stock is limited. Ensure the ordering suffix matches the required package and threshold specifications exactly.

Supervisors Selection Notes

Select this component when a fixed 2.18V threshold is required for single-supervision tasks. Consider the SOT-23 footprint constraints and the open-drain output capability for interfacing with various logic levels. Validate thermal performance within the specified industrial temperature range for the target application environment.

Supervisors Part Context

This part belongs to the ADM1818 series of voltage supervisors from Analog Devices. The series offers multiple threshold options to suit different standard voltage rails. The R22 variant specifically targets the 2.18V threshold requirement, providing a cost-effective solution for basic power monitoring needs in compact designs.

Supervisors Replacement Considerations

ADM1818-R22AKSZ-R7 is listed as a parameter-equivalent substitute.