MAX901AESE

Overview

The MAX901AESE is a high-speed, low-power quad voltage comparator manufactured by Analog Devices Inc./Maxim Integrated. It features differential analog inputs and TTL-logic outputs with active internal pull-ups. The device operates from separate analog and digital power supplies or a single combined supply, supporting flexible analog supply voltages ranging from +5V to +10V or ±5V. Key electrical parameters include an 8ns typical propagation delay at 5mV overdrive, 18mW per comparator power consumption at +5V, and an input offset voltage of 2mV maximum. The component is housed in a 16-pin Narrow SO package and supports an operating temperature range of -40°C to +85°C.

Feature Summary

• Features fast propagation delay suitable for high-speed data discrimination applications
• Provides TTL-compatible outputs with active internal pull-ups
• Supports flexible analog supply configurations including split rails
• Allows ground sensing when powered from a single supply due to negative rail input range

Applications

• High-Speed A/D Converters
• Line Receivers
• Threshold Detectors
• Input Trigger Circuitry
• PWM Circuits

Procurement Notes

Verify the specific suffix 'E' indicates the extended temperature range (-40°C to +85°C) compared to the 'C' variant (0°C to +70°C). Confirm the 'S' suffix corresponds to the Narrow SOIC-16 package. Check current availability status as older Maxim products may have limited stock or obsolescence notices. Ensure design-in compliance with the manufacturer's recommendation against using this part for new designs.

Selection Notes

Select the MAX901AESE when four independent comparators are required without latch functionality, distinguishing it from the MAX900/MAX902/MAX903 which include latch inputs. Choose this part for applications requiring separate analog and digital ground isolation to prevent noise coupling. Consider the 8ns response time for timing-critical signal processing tasks where low power dissipation is also a priority.

Part Context

The MAX901 is part of the MAX900–MAX903 family of high-speed, low-power voltage comparators. Unlike its siblings, the MAX901 lacks TTL-compatible latch inputs but retains identical performance characteristics regarding speed and power consumption. It shares the same 16-pin DIP/SO pinout architecture, facilitating potential board-level compatibility with other members of the series where latching is not utilized.

Replacement Considerations

The datasheet recommends the MAX9201/MAX9202/MAX9203 as newer alternatives offering pin-for-pin compatibility with half the power dissipation.