MAX983CUA+

Comparators Overview

The MAX983CUA+T is a dual micropower comparator from the Analog Devices/MAXIM MAX981–MAX984 family, housed in an 8-pin µMAX package. It operates on a single supply of 2.5V to 11V or dual supplies of ±1.25V to ±5.5V. The device features an internal 1.182V voltage reference with ±2% accuracy and programmable hysteresis via the HYST pin. Supply current is typically 3.1µA to 4.5µA. Open-drain outputs sink current to V-, supporting wire-OR configurations.

Comparators Feature Summary

• Ultra-low quiescent current consumption for battery-powered applications
• Integrated 1.182V bandgap voltage reference with ±2% accuracy
• Programmable hysteresis using external resistors connected to the HYST pin
• Open-drain outputs compatible with wire-ORed logic configurations

Comparators Applications

• Battery switchover circuits
• Window detectors for undervoltage/overvoltage monitoring
• Level translators between bipolar and single-ended signals
• Threshold detectors in low-power systems

Comparators Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging when sourcing. Confirm the '+T' designation aligns with lead-free manufacturing standards required by your assembly process. Ensure the supplier provides traceability documentation matching the manufacturer's lot codes. Cross-reference the ordering information to confirm availability status before finalizing procurement plans.

Comparators Selection Notes

Select this component for designs requiring minimal static power draw while maintaining precise threshold detection. The integrated reference eliminates the need for external precision voltage sources. Verify that the open-drain output architecture suits your downstream logic interface requirements. Consider the extended input common-mode range relative to the negative supply rail for signal compatibility.

Comparators Part Context

This part belongs to the MAX971–MAX984 series of ultra-low-power comparators. The MAX98x variants specifically feature a ±2% accurate internal reference, distinguishing them from the ±1% MAX97x series. The µMAX package offers a compact surface-mount solution suitable for space-constrained portable electronics and industrial control boards.

Comparators Replacement Considerations

The MAX983CUA-T is the non-rohs equivalent. For complementary output stages, consider the MAX931–MAX934 series.