MAX923ESA - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX923ESA

Manufacturer

Analog Devices

Introduction

The MAX923ESA is a precision dual comparator with an integrated voltage reference, designed for linear and digital circuit applications requiring low power and high accuracy.

Product Features and Performance

Contains two comparators and a precision voltage reference

Low voltage operation from 2.5V to 11V

Supports both single and dual power supplies

Voltage input offset maximum of 10mV at 5V

Output current typically 50mA

Ultra-low quiescent current of 7.5µA maximum

High Common Mode Rejection Ratio (CMRR) and Power Supply Rejection Ratio (PSRR) of 80dB

Maximum propagation delay of 12µs

Integrated hysteresis of 50mV for noise rejection

Operates across a wide temperature range from -40°C to 85°C

Product Advantages

Precision performance with integrated voltage reference

Suitable for battery-powered devices due to low power consumption

Robust output handling capability

Excellent noise immunity with built-in hysteresis

Easy integration into various circuit configurations with its dual-comparator design

Key Technical Parameters

Type: with Voltage Reference

Number of Elements: 2

Output Type: CMOS, TTL

Voltage Supply, Single/Dual (±): 2.5V ~ 11V, ±1.25V ~ 5.5V

Voltage Input Offset (Max): 10mV @ 5V

Current Output (Typ): 50mA

Current Quiescent (Max): 7.5µA

CMRR, PSRR (Typ): 80dB

Propagation Delay (Max): 12µs

Hysteresis: 50mV

Operating Temperature: -40°C ~ 85°C

Package / Case: 8-SOIC

Mounting Type: Surface Mount

Quality and Safety Features

Rigorous testing for stability and reliability across temperature ranges

High fidelity signal handling with minimal distortion

Compatibility

Compatible with CMOS and TTL output standards

Flexible power supply compatibility for varied circuit designs

Application Areas

Battery monitoring systems

Threshold detectors

Window comparators

Timing circuits

Portable electronic devices

Product Lifecycle

Obsolete status, indicating consideration for replacement or upgrade in new designs

Potential availability of replacements or upgrades through Analog Devices' newer product lines

Several Key Reasons to Choose This Product

Efficiency and precision in low-power applications

Enhanced noise rejection improves signal accuracy

Broad application range due to adaptable power supply requirements and temperature operation range

Durable and reliable design for long-term use

Despite obsolescence, may still be suitable for existing designs requiring a direct replacement or for specific niche applications