MAX6721UTVHD3

Supervisors Overview

The MAX6721UTVHD3 is a dual-channel ultra-low-power voltage supervisor manufactured by Analog Devices Inc. under the Maxim Integrated brand. It operates within a supply voltage range of 1.8 V to 5 V and features threshold voltages from 900 mV to 3.3 V. The device provides active low, open-drain outputs with a manual reset capability and an integrated watchdog timer. It consumes only 15 uA of operating current and supports a maximum power dissipation of 696 mW. The component is housed in a compact SOT-23-6 package and functions reliably across an extended temperature range from -40 C to +125 C.

Supervisors Feature Summary

• Dual input monitoring with configurable threshold voltages for precise supervision
• Ultra-low quiescent current consumption optimized for battery-powered applications
• Integrated manual reset button interface and watchdog timer functionality
• Active low open-drain output configuration for flexible system integration

Supervisors Applications

• Portable electronic devices requiring extended battery life
• Embedded systems with multiple voltage rails needing supervision
• Industrial control units operating in extreme temperature environments
• Consumer electronics utilizing low-voltage microcontrollers

Supervisors Procurement Notes

Verify component authenticity through authorized Analog Devices channels due to discontinued status. Confirm RoHS compliance details via official documentation. Check regional availability restrictions as distribution may be limited. Ensure proper handling procedures for surface-mount packaging. Validate datasheet revisions against specific production batches for accurate electrical characteristics.

Supervisors Selection Notes

Evaluate threshold voltage requirements against target supply rails to ensure adequate margin. Consider the active low open-drain output compatibility with downstream logic levels. Assess thermal performance within the specified power dissipation limits. Verify package dimensions fit the intended PCB layout constraints. Review temperature range specifications for environmental suitability.

Supervisors Part Context

This component belongs to the MAX6721A series of voltage supervisors designed for low-power applications. It complements other Maxim Integrated supervisory circuits by offering dual-channel monitoring in a small footprint. The series emphasizes reliability and efficiency for portable and industrial designs.

Supervisors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data. Consult Analog Devices official resources for potential cross-references or updated series replacements.