MAX6461XR25+T

Supervisors Overview

The MAX6461XR25+T is a single-channel ultra-low-power voltage detector manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 1 V to 6 V and features a fixed threshold voltage of 2.5 V with an overvoltage threshold of 2.563 V. The device draws a typical operating current of 3.5 µA and provides a reset delay time of 14 µs. It offers 2.5% accuracy and includes internal 5% hysteresis. The component is housed in a SC-70 (SOT-323) package and supports an operating temperature range from -40°C to +125°C.

Supervisors Feature Summary

• Ultra-low power consumption suitable for battery-operated systems
• Fixed threshold voltage with internal hysteresis for noise immunity
• Compact surface-mount packaging for space-constrained designs

Supervisors Applications

• Battery-powered portable electronics monitoring
• Microprocessor system supervision
• Portable instrumentation voltage tracking

Supervisors Procurement Notes

Verify the specific suffix 'XR25' to confirm the 2.5 V threshold and SC-70 package configuration. Confirm RoHS compliance status as indicated in official documentation, noting that some variants may differ. Check manufacturer lifecycle status for availability constraints or obsolescence notices before finalizing procurement plans.

Supervisors Selection Notes

Select this component when a fixed 2.5 V trip point is required for single-supply monitoring. Ensure the application does not require manual reset functionality, as this variant lacks it. Verify that the 14 µs reset delay meets system timing requirements and that the SC-70 package fits the PCB layout constraints.

Supervisors Part Context

This part belongs to the MAX6461–MAX6466 family of µP supervisory circuits. These devices integrate precision bandgap references and comparators to monitor system voltages without external adjustments. The family eliminates the need for external components when monitoring nominal system voltages, offering cost-effective reliability.

Supervisors Replacement Considerations

Cross-reference with other MAX6461 variants having different threshold suffixes if voltage levels differ. Consider MAX6464 series for similar functionality with alternative packages like SC-70-3 if pinout compatibility allows.