LTC1440IS8#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC1440IS8#TRPBF

Manufacturer

Analog Devices

Introduction

Precision linear comparator with integrated voltage reference for use in various applications requiring voltage level detection and control.

Product Features and Performance

Single comparator element

Embedded voltage reference

CMOS and TTL compatible outputs

Low voltage operation ranging from 2V to 11V (single supply) or ±1V to ±5.5V (dual supply)

High input offset voltage tolerance (10mV @ 5V)

Low quiescent current draw (4.4µA maximum)

Typical 80dB common-mode rejection ratio (CMRR)

Typical 80dB power supply rejection ratio (PSRR)

Propagation delay up to 15µs

Built-in 50mV hysteresis for clean switching

Wide operating temperature range from -40°C to 85°C

Product Advantages

Precision voltage detection for high accuracy applications

Minimal power consumption suited for portable and battery-powered devices

Robust temperature performance for diverse environmental conditions

High output drive current (40mA typical) for direct control of relays and optoisolators

Key Technical Parameters

Type: with Voltage Reference

Number of Elements: 1

Output Type: CMOS, TTL

Voltage - Supply: 2V ~ 11V (single), ±1V ~ 5.5V (dual)

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

Output Current (Typ): 40mA

Quiescent Current (Max): 4.4µA

CMRR, PSRR (Typ): 80dB

Propagation Delay (Max): 15µs

Hysteresis: 50mV

Quality and Safety Features

Robust CMRR and PSRR for stability in fluctuating supply and noisy environments

Reliable performance within the specified operating temperature range

Compatibility

Surface mount compatibility with 8-SOIC packaging

Can interface with CMOS and TTL logic levels

Application Areas

Battery management systems

Threshold detectors and level shifting

Window comparators

Zero-crossing detectors

Portable and power-sensitive applications

Product Lifecycle

Active status

Not near discontinuation

Continued availability of replacements and upgrades

Several Key Reasons to Choose This Product

High integration with included voltage reference simplifying design

Low power consumption ideal for energy-saving designs

Versatile supply voltage capabilities making it suitable for a wide range of applications

Excellent temperature and supply stability for reliable operation across different conditions

A high-output drive is convenient for direct interfacing with other components without additional drivers.