LM339MX

画像は参考用です

LM339MX

+BOM

IC COMPARATOR QUAD 14-SOP

  • メーカーオンセミコンダクター社

  • メーカー品番 #LM339MX

  • データシート LM339MX DataSheet

  • パッケージ SOIC-14

  • 在庫状況7128

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性 値
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Obsolete
Type General Purpose
Number of Elements 4
Output Type DTL, MOS, Open-Collector, TTL
Voltage - Supply, Single/Dual (±) 2V ~ 36V, ±1V ~ 18V
Voltage - Input Offset (Max) 5mV @ 5V
Current - Input Bias(Max) 0.25µA @ 5V
Current - Output (Typ) 18mA @ 5V
Current - Quiescent (Max) 2.5mA
Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount

概要

Description

The LM339MX is a quad voltage comparator integrated circuit, housed in a SOIC-14 surface-mount package. It contains four independent voltage comparators, each designed to operate from a single power supply over a wide voltage range. These comparators are capable of comparing two voltage levels and outputting a digital signal indicating which is higher. The LM339MX is particularly useful in applications requiring precision, such as zero-crossing detectors, level shifting, and voltage monitoring.
Key features include low input offset voltage, low input bias currents, and the ability to drive loads connected to different voltage sources, making it versatile for interfacing with various digital and analog circuits. The open-collector output of each comparator allows for wired logic connections.
This device is suitable for a range of applications, including consumer electronics, industrial control systems, and automotive systems. Its operational temperature range and robust construction make it adaptable to harsh environments. The LM339MX offers reliable performance in low-power and high-voltage applications, enhancing design flexibility in both commercial and industrial settings.

Equivalent

The LM339MX is a quad voltage comparator. Equivalent products include the LM339N, LM339D, LM339DT, TLC339, and MC3302. These alternatives offer similar voltage comparator functionalities and are available from manufacturers like Texas Instruments, STMicroelectronics, and ON Semiconductor. Always check the datasheets for specific electrical characteristics and package details to ensure compatibility with your application.

Features

The LM339MX is a quad comparator integrated circuit featuring four independent voltage comparators. It operates with a wide supply voltage range from 2V to 36V, making it suitable for various applications. The device has a low input offset voltage and a low input bias current, ensuring precise comparison results. It offers a common-mode input voltage range that includes ground, allowing it to work with single-supply voltages.
Key features include low power consumption, with low output saturation voltage, which minimizes power dissipation. The output is compatible with various logic families, allowing easy interfacing with other digital systems. Additionally, the LM339MX has a wide temperature range, typically from -40°C to +85°C, ensuring reliable operation in different environmental conditions.
The device is available in a small-outline package (SOP), which is suitable for compact designs. It is commonly used in applications like zero-crossing detectors, voltage level shifting, and various sensing interfaces.

Pinout

The LM339MX is a quad voltage comparator integrated circuit, typically available in a 14-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin count and functions:
1. Pin Count: The LM339MX has 14 pins.
2. Pin Functions:
- Pins 1, 5, 6, 12: Output pins for each of the four comparators.
- Pins 2, 3, 4, 7, 8, 9, 10, 11: Inverting (−) and non-inverting (+) input pins for the comparators. Each comparator has a pair of these input pins.
- Pin 13: Ground (GND) pin, connected to the negative supply voltage.
- Pin 14: Positive supply voltage (VCC) pin.
The LM339MX is used in applications requiring low-power, low-offset voltage, and high-speed operation for voltage comparison, such as in analog-to-digital converters, oscillators, and level-shifting circuits.

Manufacturer

The LM339MX is manufactured by Texas Instruments. Texas Instruments, commonly known as TI, is a global semiconductor company that designs and produces a wide range of electronic components, including analog and embedded processing products. The company is well-known for its innovation and development of integrated circuits and semiconductors used in various applications, such as consumer electronics, automotive systems, communication devices, and industrial equipment. TI's extensive portfolio includes products like microcontrollers, processors, sensors, and power management solutions. As a leading player in the electronics and semiconductor industry, Texas Instruments focuses on advancing technology to improve performance and efficiency in various electronic devices.

Application

The LM339MX is a quad voltage comparator used in various electronic applications. Key application areas include:
1. Signal Comparison: It compares voltages and outputs a digital signal indicating which is higher.
2. Zero-Crossing Detectors: Used in AC signal processing to determine when the waveform crosses zero voltage.
3. Oscillators: Functions as a part of relaxation oscillators for generating waveforms.
4. Voltage Level Detection: Detects specific voltage levels in power supply systems.
5. Pulse Width Modulation (PWM): Utilized in control systems for motor speed regulation.
6. Analog to Digital Converters (ADC): Converts analog signals to digital by comparison.
These applications leverage the LM339MX’s low power consumption, wide supply voltage range, and capability to operate with single or dual supply voltages.

Package

The LM339MX is a quad voltage comparator that comes in a surface-mount SOP-14 (Small Outline Package) configuration. This package type is suitable for compact and high-density circuit designs, providing a convenient option for integrating multiple comparators into a single package.