MAX9021AXK+T - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX9021AXK+T

Manufacturer

Analog Devices

Introduction

The MAX9021AXK+T is a high-performance Linear Comparator

Product Features and Performance

Single comparator configuration

Rail-to-Rail output

TTL and CMOS compatible

Low input offset voltage

Ultra-low input bias current

High Common-Mode Rejection Ratio (CMRR)

High Power Supply Rejection Ratio (PSRR)

Fast propagation delay

Integrated hysteresis for clean switching

Product Advantages

High accuracy and precision

Minimal power consumption

Stable operation across temperature range

Suitable for battery-operated devices

Key Technical Parameters

Type: General Purpose

Number of Elements: 1

Voltage - Supply, Single/Dual: 2.5V ~ 5.5V, ±1.25V ~ 2.75V

Voltage - Input Offset (Max): 1mV @ 5V

Current - Input Bias (Max): 0.003µA @ 5V

Current - Quiescent (Max): 5µA

CMRR, PSRR (Typ): 100dB CMRR, 80dB PSRR

Propagation Delay (Max): 8µs

Hysteresis: 4mV

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Robust performance in extended temperatures

Precision engineering for reliable operation

Compatibility

Flexible voltage supply range

CMOS, Rail-to-Rail, TTL output compatibility

Application Areas

Battery-powered systems

Threshold detectors

Zero-crossing detectors

Window comparators

Level translation

Product Lifecycle

Active Product Status

No indication of discontinuation

Future upgrades or replacements should be monitored

Several Key Reasons to Choose This Product

Offers precision with ultra-low input offset

Compatible with low-voltage operation for handheld devices

Consumes very little power, enhancing battery life

Fast response time for real-time applications

Versatile for various circuit designs due to its output compatibility