MAX9021AXK-T - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX9021AXK-T

Manufacturer

Analog Devices

Introduction

Linear comparator for precision voltage comparison tasks

Product Features and Performance

General Purpose Comparator

Single Element Configuration

CMOS, Rail-to-Rail, TTL Output Type

Supports both Single and Dual Supply Voltages

Low Input Offset Voltage

Sub-nanoamp Input Bias Current

Minimal Quiescent Current

High Common-Mode Rejection Ratio

High Power Supply Rejection Ratio

Defined Propagation Delay

Integrated Hysteresis for Stability

Extended Operating Temperature Range

Product Advantages

Precision operation in low-power applications

Support for a wide range of supply voltages enhancing adaptability

High CMRR and PSRR for improved accuracy

Ultra low input bias allowing for sensitive applications

Low power consumption suited for battery-powered devices

Small footprint SC-70-5 packaging for space-constrained designs

Key Technical Parameters

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

Low input offset contributes to precise performance

Hysteresis feature enhances noise immunity

Extended temperature range signals reliability in harsh conditions

Robust CMRR and PSRR for stability against supply and common-mode noise

Compatibility

Compatible with CMOS, Rail-to-Rail, TTL logic levels

Application Areas

Portable and battery-powered electronics

Data acquisition systems

Control systems

Window comparators

Zero-crossing detectors

Product Lifecycle

Obsolete

Please contact the manufacturer for replacement or upgrade options

Several Key Reasons to Choose This Product

Optimized for low-voltage, low-power operation

High accuracy and precision due to low input offset voltage and low bias current

Versatile for various power configurations with dual supply voltage operation

Extended operational range with broad temperature capabilities

High noise rejection with excellent CMRR and PSRR

Ideal for applications with strict power and space constraints