MAX990EKA+T - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX990EKA+T

Manufacturer

Analog Devices

Introduction

The MAX990EKA+T is a linear comparator from Analog Devices designed for general-purpose applications. It is provided in a small SOT-23-8 package and is crafted for systems requiring two comparison elements.

Product Features and Performance

Dual comparator elements for versatile applications

Supports CMOS, Open-Drain, Rail-to-Rail, and TTL output types

Operates across a range of supply voltages from 2.5V to 5.5V for single supply or ±1.25V to ±2.75V for dual supply

Low input offset voltage of up to 5mV at 5.5V

Extremely low input bias current, max 1pA at 5.5V

Maximally efficient with a quiescent current of up to 24µA

High Common-Mode Rejection Ratio (CMRR) and Power Supply Rejection Ratio (PSRR), both at 80dB

Propagation delay capped at 450ns

Features hysteresis of ±3mV to improve noise immunity

Product Advantages

Precision operation with low offset voltage and bias current

Flexible for use in single or dual supply configurations

Energy efficient, enhancing battery life in portable devices

High noise immunity due to built-in hysteresis

Small footprint SOT-23-8 package for space-sensitive applications

Key Technical Parameters

Voltage Supply, Single/Dual (±): 2.5V to 5.5V, ±1.25V to ±2.75V

Voltage Input Offset (Max): 5mV @ 5.5V

Current Input Bias (Max): 1pA @ 5.5V

Quiescent Current (Max): 24µA

CMRR, PSRR (Typ): 80dB

Propagation Delay (Max): 450ns

Operating Temperature: -40°C to 85°C

Package: SOT-23-8

Quality and Safety Features

Built to adhere to strict quality and safety standards of Analog Devices

High CMRR and PSRR values ensure stability against power supply variations and common-mode noise.

Compatibility

Compatible with a wide range of digital logic families due to its CMOS, TTL, Rail-to-Rail, and Open-Drain outputs.

Application Areas

Ideal for battery-powered devices, sensor signal processing, voltage level detection, and window comparators in automotive, industrial, and consumer electronics.

Product Lifecycle

The product status is active, indicating ongoing manufacture and support, with no current indication of discontinuation. Availability of replacements or upgrades should be monitored through Analog Devices.

Several Key Reasons to Choose This Product

Versatility in applications due to dual comparator elements and compatibility with various output types.

High accuracy and precision are guaranteed with low input offset voltage and bias current.

Energy efficiency makes it suitable for portable, battery-operated applications.

Robust noise immunity with built-in hysteresis features.

Compact package suitable for design in space-constrained applications.

Reliable operation across a wide temperature range and in conditions of power supply fluctuations.