LM339DG

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LM339DG

+BOM

IC COMPARATOR QUAD SGL 14-SOIC

  • Manufactureronsemi

  • Mfr. Part #LM339DG

  • Package SOIC-14

  • In Stock5314

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Specifications

Attribute Value
Package Tube,Tube
ProductStatus Obsolete
Type General Purpose
NumberofElements 4
OutputType CMOS, Open-Collector, TTL
Voltage-SupplySingle/Dual(±) 3V ~ 36V, ±1.5V ~ 18V
Voltage-InputOffset(Max) 5mV @ 5V
Current-InputBias(Max) 0.25µA @ 5V
Current-Output(Typ) 16mA @ 5V
Current-Quiescent(Max) 2.5mA
OperatingTemperature 0°C ~ 70°C
Package/Case 14-SOIC (0.154, 3.90mm Width)
MountingType Surface Mount

Overview

Description

The LM339DG is a quad comparator integrated circuit, which means it contains four independent voltage comparators within a single package. These comparators are commonly used in applications that require comparison of voltage levels, such as voltage sensing, zero-crossing detectors, and level shifters.
Key features of the LM339DG include a wide supply voltage range, typically from 2V to 36V, and low power consumption, making it suitable for battery-operated devices. It operates over a wide temperature range, which enhances its reliability in various environmental conditions. The open-collector output design of the LM339DG allows it to interface with various voltage levels and logic families without additional components.
The LM339DG is available in various package types, such as SOIC (Small Outline Integrated Circuit), to suit different space and mounting requirements. Its versatility and cost-effectiveness make it a popular choice in both consumer electronics and industrial applications. Additionally, the device's high input impedance and low output saturation voltage add to its efficiency in a wide range of comparator applications.

Equivalent

The LM339DG is a quad voltage comparator. Equivalent products include the LM339N, LM339D, LM339DT, LM339DR, LM393 (dual comparator variant), and TL331. These alternatives have similar functions with slight differences in specifications or package types, so it's crucial to check the datasheets for compatibility with your specific application.

Features

The LM339DG is a quad comparator integrated circuit that features four independent voltage comparators designed to operate from a single power supply over a wide range of voltages. Key features include:
1. Wide Supply Voltage Range: Operates from 2V to 36V, suitable for a variety of applications.
2. Low Supply Current Drain: Minimizes power consumption for efficient operation.
3. Low Input Bias Current: Typically around 25 nA, useful for precision applications.
4. Low Input Offset Voltage: Ensures accurate and consistent comparison.
5. Differential Input Voltage Range: Equivalent to the supply voltage which enhances design flexibility.
6. Output Compatibility: Open-collector outputs allow operation with TTL and CMOS logic levels.
7. Common-mode Input Voltage Range: Includes ground, making it useful in single-supply applications.
8. Temperature Range: Operates efficiently across a wide temperature range, typically from -40°C to +85°C.
These features make the LM339DG suitable for applications like zero-crossing detectors, oscillators, and voltage level detection circuits.

Pinout

The LM339DG is a quad comparator integrated circuit. It features 14 pins and includes four independent voltage comparators. Each comparator compares an input voltage to a reference voltage and outputs a digital signal based on the comparison.
Here’s a concise pinout description for the LM339DG:
- Pins 1, 2, 3: Inputs for Comparator 1 (Inverting, Non-inverting, and Output respectively)
- Pins 4, 5, 6: Inputs for Comparator 2 (Inverting, Non-inverting, and Output respectively)
- Pin 7: Ground (GND)
- Pin 8: Inputs for Comparator 3 (Output)
- Pin 9, 10: Inputs for Comparator 3 (Non-inverting, Inverting)
- Pin 11, 12: Inputs for Comparator 4 (Output, Non-inverting)
- Pin 13: Input for Comparator 4 (Inverting)
- Pin 14: Positive Supply Voltage (VCC)
The LM339DG operates over a wide range of supply voltages and is commonly used for applications needing multiple voltage comparisons simultaneously, such as in level shifters, zero-crossing detectors, and voltage sensing circuits.

Manufacturer

The LM339DG is a quad comparator integrated circuit, and it is manufactured by several semiconductor companies, one of which is ON Semiconductor.
ON Semiconductor, now known as onsemi, is a multinational company that designs and manufactures a wide range of semiconductor components. The company specializes in power and signal management, logic, discrete, and custom devices for automotive, industrial, communications, computing, consumer, medical, and military/aerospace applications. Onsemi is known for its focus on energy-efficient innovations, producing components that help reduce electricity consumption and enhance the performance of electronic devices.

Application

The LM339DG is a quad comparator IC commonly used in various applications. Its primary function is to compare input voltages and provide digital output. Key application areas include:
1. Voltage Level Detection: It can detect voltage levels for power supply monitoring.
2. Oscillators: Used in generating square wave outputs for timing applications.
3. Zero-Crossing Detectors: Essential in AC/DC signal processing.
4. Analog-to-Digital Converters (ADC): Acts as a front-end comparator.
5. Sensor Signal Conditioning: Interprets analog signals from sensors.
6. Window Comparators: Used in monitoring signal ranges in circuits.
7. Pulse Width Modulation (PWM): Useful in motor and light dimming controls.
These applications utilize the LM339DG due to its low power consumption and capability to operate over a wide range of voltages.

Package

The LM339DG is a quad comparator IC typically housed in a 14-pin SOIC (Small Outline Integrated Circuit) package. This package type is suitable for surface-mount technology, providing a compact solution for applications requiring multiple comparators.

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