ADM811LARTZ-REEL

Supervisors Overview

The ADM811LARTZ-REEL is a microprocessor supervisory circuit manufactured by Analog Devices Inc. It operates within a supply voltage range of 1.2 V to 5.5 V and monitors a single input channel. The device features a manual reset function with an active low output type. Key electrical parameters include a threshold voltage range of 4.5 V to 4.75 V, a reset delay time of 560 ms, and a maximum power dissipation of 200 mW. It functions reliably across a temperature range of -40 °C to +85 °C.

Supervisors Feature Summary

• Manual reset capability for system control
• Active low output signal generation
• Single-channel voltage monitoring

Supervisors Applications

• Microprocessor system supervision
• Voltage monitoring in portable devices
• Battery-powered equipment protection

Supervisors Procurement Notes

Verify the specific suffix 'L' indicates the 4.5V–4.75V threshold variant when ordering. Confirm package integrity upon receipt as it ships in reel format. Ensure compatibility with the target system's voltage levels before integration. Check RoHS compliance documentation if required for your manufacturing process. Validate that the manual reset pin configuration matches your schematic design.

Supervisors Selection Notes

Select this component when a fixed threshold near 4.5V is required for 5V logic systems. Consider the SOT-143 package size for space-constrained designs. Evaluate the 15 uA operating current against battery life requirements. Compare the 560 ms delay against system startup timing needs. Ensure the active low output aligns with the microprocessor reset input polarity.

Supervisors Part Context

This part belongs to the ADM811 series of voltage supervisory circuits from Analog Devices. It is designed specifically for protecting microprocessors and other digital logic components from under-voltage conditions. The series offers various threshold options to suit different supply rail voltages.

Supervisors Replacement Considerations

Check for ADM811 variants with different threshold suffixes (e.g., Z, K) if voltage requirements differ. Verify pinout compatibility with existing PCB layouts. Ensure equivalent operating temperature ranges are maintained.