ADM1818-R22AKSZ-RL

Supervisors Overview

The ADM1818-R22AKSZ-RL is a microprocessor reset circuit manufactured by Analog Devices Inc. It operates within a supply voltage range up to 5.5 V and features a fixed threshold voltage of 2.18 V. The device provides a reset output with a typical delay time of 100 ms. It is housed in an SC-70-3 surface-mount package and supports operation across a temperature range of -40°C to +105°C.

Supervisors Feature Summary

• Provides reliable voltage supervision for microprocessor systems
• Generates reset signals upon power-up or voltage dropout
• Utilizes low-power architecture suitable for battery-operated applications

Supervisors Applications

• Microprocessor reset circuits
• Voltage monitoring in portable devices
• Battery-powered system supervision

Supervisors Procurement Notes

Verify component authenticity through authorized distributors. Confirm the specific suffix matches the required threshold voltage. Check current availability status as this part may be subject to limited supply or obsolescence notices from the manufacturer.

Supervisors Selection Notes

Select based on the required reset threshold voltage of 2.18 V. Ensure the SC-70-3 package fits the PCB layout constraints. Verify that the 100 ms reset delay meets the system timing requirements. Confirm compatibility with the operating temperature range of -40°C to +105°C.

Supervisors Part Context

This component belongs to the ADM1818 series of simple reset circuits designed for monitoring single voltage rails. It is part of Analog Devices' portfolio of supervisory ICs intended for protecting digital logic from unstable power conditions.

Supervisors Replacement Considerations

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