LM139AJB - Texas Instruments

Manufacturer Part Number

LM139AJB

Manufacturer

Texas Instruments

Introduction

The LM139AJB is a quadruple general purpose linear comparator designed for applications requiring a comparison of signals or voltage levels. Ideal for use in complex logic systems, control circuits, and signal processing.

Product Features and Performance

Contains four independent precision voltage comparators.

Operates from a single or dual power supply.

Wide supply voltage range: 2V to 30V for single supply or ±1V to ±15V for dual supply.

Low input offset voltage: Maximum 2mV at 5V.

Low input bias current: Maximum 0.1µA at 5V.

Typic output current of 16mA at 5V.

Maximum quiescent current of 2mA.

Fast propagation delay: Maximum 300ns.

Capable of operating in temperature ranges from -55°C to 125°C.

Open-collector and open-drain output type for flexible interfacing.

Product Advantages

High precision and reliability over a wide operating range.

Suitable for both single-ended and differential applications.

Low power consumption enhances efficiency in circuits.

Robust design with operational stability at extreme temperatures.

Easy integration into existing systems due to through-hole package.

Key Technical Parameters

Voltage Supply: 2V ~ 30V (Single), ±1V ~ 15V (Dual)

Input Offset Voltage: 2mV @ 5V Max

Input Bias Current: 0.1µA @ 5V Max

Output Current (Typical): 16mA @ 5V

Quiescent Current (Max): 2mA

Propagation Delay (Max): 300ns

Operating Temperature: -55°C ~ 125°C

Package: 14-CDIP

Quality and Safety Features

Manufactured by Texas Instruments, known for high-quality standards and reliability.

Rigorous testing for operation in extreme temperatures and conditions.

Compatibility

Versatile output type compatibility (open-collector, open-drain) for various digital logic interfacing.

Through-hole mounting for easy compatibility with standard PCB designs.

Application Areas

Automotive systems

Industrial control circuits

Signal processing units

Power management systems

Complex logic circuits

Product Lifecycle

Status: Active

Not currently nearing discontinuation, with ongoing support and availability from Texas Instruments.

Several Key Reasons to Choose This Product

Precision operation suitable for critical applications.

Flexible power supply options accommodate diverse circuit designs.

Low power consumption and high efficiency optimize system performance.

Durable and reliable performance across a wide temperature range.

Manufactured by a leader in semiconductor technology with strong product support.