ADM809TART-REEL7

Supervisors Overview

The ADM809TART-REEL7 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 push-pull output type. The device provides a reset delay time of 240 ms with an accuracy of 1.5%. It functions across an extended temperature range from -40 C to +125 C while consuming a typical operating supply current of 60 uA. The component is housed in an SOT-23-3 package and does not include manual reset, watchdog timer, or battery backup switch functionalities.

Supervisors Feature Summary

• Monitors a single input voltage rail with high precision threshold detection
• Delivers a standardized reset signal after a fixed delay period upon undervoltage events
• Operates efficiently with low quiescent current consumption suitable for battery-powered systems

Supervisors Applications

• Microprocessor system power supervision
• Embedded controller voltage monitoring
• Portable electronic device power management

Supervisors Procurement Notes

Verify the specific part number suffix against official Analog Devices documentation to confirm package type and electrical characteristics. Confirm RoHS compliance status through the manufacturer datasheet as regional regulations vary. Check for obsolescence notices or lifecycle status updates directly from the supplier before procurement planning. Ensure compatibility with existing PCB footprint designs for the SOT-23-3 package.

Supervisors Selection Notes

Select this component when a simple, low-cost solution for single-rail voltage monitoring is required without additional features like watchdog timers or manual resets. Consider the 240 ms reset delay duration to ensure it aligns with the target microcontroller's startup requirements. Evaluate the 1.5% accuracy specification against the system's voltage tolerance needs. Verify that the 60 uA standby current fits within the overall power budget constraints.

Supervisors Part Context

This component belongs to the ADM809 series of reset generators, which are dedicated integrated circuits for supervising power supplies in digital systems. The series offers various threshold voltages to accommodate different logic families and power rails. These devices are commonly used in industrial, consumer, and computing applications where reliable power-up sequencing and brown-out protection are critical for system stability.

Supervisors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.