LM139ADT - STMicroelectronics

Manufacturer Part Number

LM139ADT

Manufacturer

STMicroelectronics

Introduction

The LM139ADT is a quad differential comparator designed for applications requiring a comparison of signals, capable of operating with single or dual power supplies.

Product Features and Performance

Four independent comparator units

Low input offset voltage

Low input bias current

High output current capability

Wide supply voltage range

CMRR and PSRR unspecified, typical values can be referred from datasheet

Operation across a wide temperature range

Product Advantages

Suitable for battery-powered devices due to low power consumption

Flexible use with both single-ended and dual power supply options

Designed for industrial, automotive, and consumer applications

Can be used in harsh temperature environments

Key Technical Parameters

Number of Elements: 4

Voltage - Supply, Single/Dual (±): 2V ~ 32V, ±1V ~ 16V

Voltage - Input Offset (Max): 2mV @ 30V

Current - Input Bias (Max): 0.1µA @ 5V

Current - Output (Typ): 16mA @ 5V

Current - Quiescent (Max): 2mA

Operating Temperature: -55°C ~ 125°C

Quality and Safety Features

Built to withstand wide temperature variations

Designed to meet industrial quality and safety standards

Compatibility

Compatible with 14-SOIC surface mount

Application Areas

Industrial monitoring systems

Automotive sensor systems

Voltage level detection

Window comparators

Oscillator circuits

Product Lifecycle

Status: Active

Product is currently in active production, with no indication of discontinuation

Replacements or upgrades may be offered by STMicroelectronics

Several Key Reasons to Choose This Product

Robust temperature range supports extreme environmental use

Low input bias and offset voltages lead to accurate signal comparison

Flexible for various power supply configurations

High output current capability suitable for driving external components

Industry-leading manufacturer with a reputation for reliability

Ideal for circuit integration with surface mount technology (SMT) compatibility

Convenient packaging for automated production processes (Tape & Reel)