MAX9041BESA-T

Overview

The MAX9041BESA-T is a micropower, single-supply analog comparator integrated with a precision voltage reference. It operates within a supply voltage range of 2.5V to 5.5V and consumes only 40µA of quiescent supply current. The device features a single comparator with rail-to-rail inputs and outputs, capable of sinking and sourcing up to 8mA. It includes an internal ±3mV hysteresis mechanism and delivers a fixed 2.048V reference output. The component is housed in an 8-pin SO package and supports an operating temperature range from -40°C to +85°C.

Feature Summary

• Integrates a low-power comparator with a precision voltage reference for space-constrained designs
• Features rail-to-rail input and output stages extending beyond the supply rails
• Includes internal hysteresis to ensure clean switching with slow-moving signals
• Output stage design 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 suffix 'T' indicates tape-and-reel packaging when ordering. Confirm that the 'E' designation corresponds to the standard SO-8 package variant. Ensure compatibility with the required 2.048V reference output specification for your application circuit. Check for any lead-free or RoHS compliance markings if environmental regulations apply to your manufacturing process.

Selection Notes

Select this component when a single-channel comparator with a built-in reference is required to minimize board space. It is suitable for applications needing rail-to-rail signal handling and low power consumption. Consider the B grade specifications for initial accuracy and temperature coefficient requirements. Evaluate the 8mA output drive capability against load requirements before implementation.

Part Context

This part belongs to the MAX9038–MAX9043 family of micropower comparators with precision references. These devices are designed for battery-operated systems due to their low supply current. The MAX9041 specifically provides one comparator and a 2.048V reference. Other variants in the series offer different channel counts or reference voltages to suit various system architectures.

Replacement Considerations

Direct substitutes include other parts from the MAX9038–MAX9043 family, such as the MAX9040 or MAX9042, depending on channel count needs. Verify pinout compatibility and reference voltage alignment when swapping between these variants.