ADM802MANZ

Supervisors Overview

The ADM802MANZ is a supervisory circuit manufactured by Analog Devices Inc., designed to monitor voltage levels and provide reset signals for microprocessors and memory devices. It operates within a supply voltage range of 1.7 V to 5.5 V, ensuring compatibility with various logic families. The device features a manual reset input, allowing for user-initiated system resets. It includes an open-drain or push-pull reset output capable of driving multiple loads. The component is available in an 8-lead SOIC package, suitable for surface-mount applications. It functions across an industrial temperature range from -40°C to +85°C, providing reliable performance in demanding environments. Key electrical parameters include a fixed reset threshold voltage and a programmable watchdog timer option in related variants, though the base model focuses on voltage monitoring and manual control.

Supervisors Feature Summary

• Monitors power supply voltage to ensure system stability
• Includes a manual reset input for direct user control
• Provides a dedicated reset output signal for processor supervision

Supervisors Applications

• Microprocessor reset circuits
• Memory protection systems
• Embedded controller supervision

Supervisors Procurement Notes

Verify the specific suffix and package variant against the official datasheet to confirm pinout and electrical characteristics. Ensure the operating voltage range matches the target application requirements. Check for compliance with relevant environmental standards such as RoHS. Confirm availability through authorized distributors due to potential supply chain fluctuations. Validate that the manual reset functionality aligns with the system design specifications.

Supervisors Selection Notes

Choose this component when a simple, reliable voltage supervisor with manual override is required. Consider the reset threshold accuracy and output drive capability for the specific load. Evaluate the package size constraints for PCB layout. Compare with other ADM80x variants if additional features like watchdog timers are needed. Ensure the temperature range meets the operational environment demands.

Supervisors Part Context

The ADM802MANZ belongs to the ADM80x series of supervisory circuits from Analog Devices. This family is widely used in digital systems for power management and fault detection. The part number indicates a specific package and temperature grade. It complements other ADI components in creating robust embedded systems. Understanding its place in the product line helps in selecting compatible peripherals and designing effective reset strategies.

Supervisors Replacement Considerations

Check for cross-reference parts in the ADM80x family with similar reset thresholds. Verify pin-to-pin compatibility with existing designs. Ensure equivalent electrical specifications for voltage range and output type. Consult official substitution guides from Analog Devices for validated alternatives.