LM139AWG/883

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LM139AWG/883

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Especificações

Atributo Valor
Part Status Active
Type General Purpose
Number of Elements 4
Output Type Open-Collector, Open-Drain
Voltage - Supply, Single / Dual (±) 5V ~ 30V, ±2.5V ~ 15V
Voltage - Input Offset (Max) 2mV @ 30V
Current - Input Bias (Max) 1000pA @ 5V
Current - Output (Typ) 20mA
Current - Quiescent (Max) 2mA
CMRR, PSRR (Typ) 70dB CMRR, 60dB PSRR
Propagation Delay (Max) 1.3µs (Typ)
Hysteresis 10mV
Operating Temperature -55°C ~ 125°C
Package / Case 14-CSOIC (0.250", 6.35mm Width)
Mounting Type Surface Mount
Supplier Device Package 14-CFP

Visão Geral

Description

The LM139AWG/883 is a precision quad comparator integrated circuit designed for use in a wide range of applications. It is part of the LM139 series, which is known for its reliable performance across various temperature ranges and operating conditions. The device consists of four independent voltage comparators, each capable of operating from a single power supply over a wide range of voltages. The LM139AWG/883 is characterized by its low input offset voltage and low power consumption, making it suitable for use in battery-operated devices and systems requiring high accuracy. It is particularly popular in military and aerospace applications due to its compliance with MIL-STD-883 standards, which ensure high reliability and robustness in extreme environments. The device is encapsulated in a rugged package, typically featuring gold leads, enhancing its reliability in critical applications. It is commonly used in analog signal processing, level detection, and precision voltage monitoring circuits.

Equivalent

The LM139AWG/883 is a military-grade, quad-voltage comparator. Equivalent products include LM139A, LM239A, and LM339A, which are general-purpose versions with similar specifications but may not meet the same stringent military standards. Other alternatives include the LT1013 or TLV1704, depending on specific electrical and environmental requirements. Always verify compatibility in terms of electrical characteristics and packaging before substituting.

Features

The LM139AWG/883 is a precision quad comparator designed for a wide range of applications. Here are its key features:
1. Wide Supply Voltage Range: It operates from 2V to 36V, making it versatile for various applications.
2. Low Input Offset Voltage: Typically around 2mV, enhancing accuracy.
3. Input Common-Mode Voltage Range: Includes ground, allowing for single-supply operation.
4. Low Output Saturation Voltage: Typically 700mV at 4mA, providing efficient operation.
5. Differential Input Voltage Range: Equal to the supply voltage, offering flexibility in design.
6. Open Collector Output: Suitable for a range of logic interfaces and allows for wired-OR configurations.
7. Temperature Range: Operates effectively in a wide temperature range, ensuring reliability in different environments.
8. MIL-STD-883 Compliant: Meets stringent military standards for performance and reliability.
9. Quad Package: Incorporates four independent comparators in a single package for space efficiency.
These features make the LM139AWG/883 suitable for precision, high-reliability applications in industrial and military environments.

Pinout

The LM139AWG/883 is a quad comparator integrated circuit. It typically comes in a 14-pin dual in-line package (DIP). Here's a concise breakdown of its pin count and functions:
1. V+ (Positive Supply Voltage): Connects to the positive supply voltage.
2. GND (Ground): Common ground for the device.
3. Inputs (Inverting and Non-Inverting): Each of the four comparators has two inputs, totaling eight pins:
- IN+ (Non-inverting Input)
- IN- (Inverting Input)
4. Outputs: Each comparator has its own output pin, for a total of four output pins.
The LM139AWG/883 is designed to compare input voltages and provide a digital output based on the comparison, often used for applications like voltage level detection and analog-to-digital conversion. It operates over a wide range of voltages and is particularly suitable for military and aerospace applications due to its robustness and compliance with the MIL-STD-883 standard.

Manufacturer

The LM139AWG/883 is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. They are well-known for their analog and embedded processing products, which are used in a diverse set of applications and industries, including automotive, industrial, consumer electronics, and communications. TI is headquartered in Dallas, Texas, and is recognized as one of the world's leading companies in the semiconductor industry.

Application

The LM139AWG/883 is a quad comparator that finds application in various fields due to its precision and reliability. Key application areas include:
1. Industrial Control Systems: Used for signal monitoring and control processes.
2. Automotive Systems: Employed in vehicle electronics for tasks like battery management and sensor signal processing.
3. Consumer Electronics: Utilized in devices requiring signal comparison and regulation.
4. Communication Equipment: Assists in signal processing and conditioning.
5. Instrumentation: Applied in measurement devices for precise data acquisition.
Its military-grade version ensures performance in extreme conditions, making it suitable for aerospace and defense applications.

Package

The LM139AWG/883 is a quad voltage comparator integrated circuit that comes in a ceramic dual in-line package (DIP). The "883" designation indicates it meets MIL-STD-883 military specifications for reliability.

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