ADM8691AN

Supervisors Overview

The ADM8691AN is a microprocessor supervisory circuit manufactured by Analog Devices Inc. It operates with a supply voltage range of 4.75 V to 5.5 V and features a fixed reset threshold voltage of 4.65 V. The device provides power-fail detection and includes a programmable clock output for precise timing control in system designs. It is housed in an 8-pin DIP package and supports operation up to +85 °C.

Supervisors Feature Summary

• Integrated power-fail detection capability for monitoring supply integrity
• Programmable clock output functionality for system timing synchronization
• Fixed reset threshold voltage ensuring reliable microprocessor supervision

Supervisors Applications

• Microprocessor system power monitoring
• Battery-operated equipment supervision
• Code execution integrity protection

Supervisors Procurement Notes

Verify the specific suffix 'AN' against official Analog Devices documentation to confirm the exact package type and temperature rating. Ensure the component matches the required 8-pin DIP configuration and 4.65 V threshold specifications for your design. Cross-reference datasheet revision dates to confirm feature availability.

Supervisors Selection Notes

Select this component when a fixed 4.65 V reset threshold is required for 5 V logic systems. Consider the DIP-8 package constraints for PCB layout. Evaluate the need for programmable clock outputs versus standard reset-only supervisory circuits. Confirm compatibility with the target operating temperature range of -40 °C to +85 °C.

Supervisors Part Context

The ADM8691 belongs to a family of low-cost microprocessor supervisory circuits from Analog Devices. These devices are designed to provide essential power management functions, including reset generation and battery monitoring, ensuring system stability during power transitions and brown-out events.

Supervisors Replacement Considerations

Public confirmed substitute part numbers: ADM8690AN, ADM8695AN.