ADM809ZART-REEL

Supervisors Overview

The ADM809ZART-REEL is a voltage supervisory circuit manufactured by Analog Devices Inc., designed for monitoring single-input power rails. It operates within a supply voltage range of 1 V to 5.5 V and features a precise threshold voltage of 2.32 V with an accuracy of 1.5%. The device provides a push-pull output and includes a reset delay time of 240 ms. It consumes a low quiescent current of 60 uA and lacks manual reset, watchdog timer, or battery backup switch functions. The component is available in an SOT-23-3 package, suitable for surface mount installation, and supports operation across an extended temperature range from -40°C to +125°C.

Supervisors Feature Summary

• Provides voltage supervision with a fixed 2.32 V threshold and 1.5% accuracy for reliable power monitoring.
• Features a push-pull output structure without requiring manual reset inputs or chip enable signals.
• Operates at low quiescent current of 60 uA, supporting energy-efficient system designs.

Supervisors Applications

• Monitoring critical voltage rails in embedded systems requiring stable power integrity.
• Ensuring proper reset sequencing in microcontroller-based applications.
• Industrial control units operating within extended temperature environments.

Supervisors Procurement Notes

Verify the specific suffix 'Z' indicates the 2.32 V threshold variant when sourcing replacements. Confirm RoHS compliance status through official manufacturer documentation prior to procurement. Ensure the ordering part number matches the required reel packaging format. Cross-reference the exact model against distributor specifications to avoid confusion with similar threshold variants in the ADM809 series. Validate that the component meets all environmental and electrical requirements for the intended application.

Supervisors Selection Notes

Select this component when a fixed 2.32 V reset threshold is required for single-supply monitoring. Consider the 240 ms reset delay and push-pull output characteristics for interface compatibility. Evaluate the 60 uA quiescent current against system power budget constraints. Ensure the SOT-23-3 package fits the PCB layout constraints. Verify that the absence of manual reset and watchdog features aligns with the system design requirements.

Supervisors Part Context

The ADM809ZART-REEL belongs to the ADM809 series of voltage supervisory circuits from Analog Devices. This family offers various threshold voltages tailored for different supply rail monitoring needs. The Z suffix specifically denotes the 2.32 V threshold option. These devices are designed for compact surface-mount applications, providing essential power management functionality in a small footprint suitable for modern electronic designs.

Supervisors Replacement Considerations

Direct substitutes include other ADM809 variants with identical packages but different thresholds, such as ADM809JART (4 V) or ADM809LART (4.63 V), if threshold adjustment is permissible. Verify pinout compatibility and electrical parameters before substitution. No other direct equivalent part numbers are confirmed in the provided data.