MAX9050BEUK+T

Overview

The MAX9050BEUK+T is a micropower, single-supply analog comparator integrated with a precision voltage reference. It operates on a supply voltage range of 2.7V to 5.5V and consumes 40µA of quiescent current. The device features rail-to-rail inputs and outputs, with an input common-mode voltage range extending 250mV beyond the supply rails. It provides a fixed 2.500V reference output with ±1% initial accuracy and a temperature coefficient of 100ppm/°C. The comparator exhibits a propagation delay of 400ns and includes internal hysteresis.

Feature Summary

• Integrates a low-power comparator with a precision voltage reference in a compact SOT-23 package
• Features rail-to-rail inputs and push-pull outputs capable of sourcing and sinking up to 8mA
• Includes internal hysteresis for clean switching and minimizes supply current surges during transitions

Applications

• Precision battery management systems
• Window comparator circuits
• IR receivers
• Level translators
• Digital line receivers

Procurement Notes

Verify the specific B-grade designation (+ suffix) ensures the required 1% initial accuracy and 100ppm/°C temperature coefficient specifications. Confirm the UCSP/SOT-23 footprint matches the PCB layout requirements. Ensure the operating environment remains within the -40°C to +85°C temperature range for guaranteed performance parameters.

Selection Notes

Select this component when a single-supply operation between 2.7V and 5.5V is required alongside a stable 2.5V reference. It is suitable for applications demanding low static power consumption of 40µA. The rail-to-rail input capability allows signal processing near ground or the positive supply rail without level shifting.

Part Context

This part belongs to the MAX9038–MAX9053 family of micropower comparators with integrated references. While sharing similar architecture with the MAX9040 series, it differs by utilizing a 2.500V reference instead of 2.048V and supports a minimum supply voltage of 2.7V compared to 2.5V. It is designed for battery-operated systems requiring minimal power draw.

Replacement Considerations

The MAX9050AEUK+T serves as a direct functional substitute offering higher A-grade accuracy (0.4% initial accuracy, 6ppm/°C tempco). Other family members like the MAX9051 share the same reference but leave the inverting input uncommitted.