LTC1440IS8#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC1440IS8#PBF

Manufacturer

Analog Devices

Introduction

The LTC1440IS8#PBF is a low-power, high-precision linear comparator from Analog Devices, designed with an integrated voltage reference. It is tailored for systems requiring precise voltage monitoring and control.

Product Features and Performance

Integrated voltage reference for enhanced precision

Low voltage operation, compatible with single and dual supply configurations

High output drive current of 40mA suitable for driving TTL and CMOS loads

Exceptionally low quiescent current (4.4µA max), optimizing power efficiency

Supports a wide operating temperature range (-40°C to 85°C)

Features a maximum input offset voltage of 10mV at 5V

Offers high Common Mode Rejection Ratio (CMRR) and Power Supply Rejection Ratio (PSRR) of 80dB, ensuring stability against fluctuations

Fast propagation delay (max 15µs), suitable for timely response applications

Built-in hysteresis of 50mV for noise immunity

Product Advantages

Energy-efficient operation reduces power consumption and heat generation

High precision and stability ensure reliable performance in critical applications

Broad compatibility with various logic types (CMOS, TTL) allows versatile use

Ease of integration due to the surface mount package

Key Technical Parameters

Voltage Supply Range: 2V ~ 11V single, ±1V ~ 5.5V dual

Maximum Propagation Delay: 15µs

CMRR, PSRR: 80dB

Operating Temperature: -40°C ~ 85°C

Output Type: CMOS, TTL

Quality and Safety Features

Meets stringent industry standards for quality and reliability

Robust against voltage fluctuations and operational stress

Compatibility

Versatile for use with both single and dual power supplies

Suitable for interfacing with various microcontrollers and logic systems due to its TTL and CMOS compatible outputs

Application Areas

Power supply monitoring

Battery management systems

Window comparators

Voltage level sensing

Embedded systems requiring precise voltage control

Product Lifecycle

Currently marked as Active, indicating ongoing manufacture and support

No imminent discontinuation, ensuring availability for new designs and maintenance

Several Key Reasons to Choose This Product

Ultra-low power consumption for energy-sensitive designs

High precision and reliability for critical monitoring tasks

Flexible power supply options cater to a wide range of applications

Fast response time to dynamic voltage changes

High integration reduces the need for external components, simplifying design and reducing costs