LM339NSR

Les images sont à titre de référence seulement

LM339NSR

IC COMPARATOR 4 DIFF 14SO

  • Fabricant
  • Mfr. Partie #LM339NSR
  • Paquet
  • Fiche de données
  • En stock5744

100% original & Nouveau

24 heures prêtes à expédier

Garantie 365 jours

RFQ et Obtenez plus de rabais

Spécifications

Part Status Active
Type General Purpose
Number of Elements 4
Output Type Open-Collector
Voltage - Supply, Single/Dual (±) 2V ~ 30V, ±1V ~ 15V
Voltage - Input Offset (Max) 5mV @ 30V
Current - Input Bias (Max) 0.25µA @ 5V
Current - Output (Typ) 20mA
Current - Quiescent (Max) 2.5mA
Operating Temperature 0°C ~ 70°C
Package / Case 14-SOIC (0.209", 5.30mm Width)
Mounting Type Surface Mount
Supplier Device Package 14-SO
Base Product Number LM339

Vue d'ensemble

Description

The LM339NSR is a quad comparator, part of the LM339 family, designed for high-speed, low-power analog signal processing. It features four independent voltage comparators in a single package, allowing for multiple thresholds in a compact form. The device operates from a single power supply or dual supplies, with a wide voltage range typically from 2V to 36V.
Key characteristics include a fast response time, typically around 1.3 microseconds, and a low input bias current, making it suitable for various applications like voltage level detection, waveform shaping, and signal comparison. The LM339NSR boasts a high input impedance, which minimizes loading on the preceding stages, and it has a typical output stage that can drive TTL-compatible logic levels.
Its versatility makes it popular in automotive, consumer electronics, and industrial applications. The LM339NSR comes in various packages, including surface mount options, enhancing its adaptability for different design needs.

Features

The LM339NSR is a quad comparator with the following key features:
1. Quad Configuration: Contains four independent, high-speed voltage comparators in a single package.
2. Wide Supply Voltage Range: Operates with a supply voltage from 2V to 36V, allowing flexibility in various applications.
3. Low Input Offset Voltage: Typically around 2 mV, ensuring accurate comparisons.
4. Open-Collector Outputs: Allows for wired-AND logic functionality and interfacing with different supply voltages.
5. High Speed: Response time is typically 1.3 µs, making it suitable for fast signal processing.
6. Low Power Consumption: Consumes minimal power, making it ideal for battery-operated devices.
7. Temperature Range: Available for operation from -40°C to +125°C, suitable for industrial applications.
8. Standard Pins: Compatible with various circuit designs due to standard pin configurations.
These features make the LM339NSR versatile for applications such as signal conditioning, level detection, and voltage comparator tasks in various electronic circuits.

Package

The LM339NSR is typically available in a 14-lead Dual In-Line Package (DIP) form factor. It can also be found in surface mount options like SOIC or TSSOP. The exact package type may vary based on the manufacturer.

Pinout

The LM339NSR is a quad comparator, which means it contains four independent comparator circuits in a single package. It typically has a pin count of 14. The primary functions of the LM339 include:
1. Comparators: Each of the four comparators can compare two voltage levels and output a signal indicating which is higher.
2. Open-Collector Outputs: The outputs are open-collector, allowing multiple comparators to connect to a common signal line.
3. Voltage Reference: It can be used to create voltage reference levels in various applications.
4. Hysteresis: External components can be added for hysteresis, improving noise immunity in applications.
5. Voltage Range: It can operate over a wide voltage range, typically from 2V to 36V.
The pin configuration includes power supply pins, output pins for each comparator, and input pins for the inverting and non-inverting terminals. The device is commonly used in applications requiring signal comparison, such as voltage level detection and waveform shaping.

Manufacturer

The LM339NSR is manufactured by Texas Instruments (TI), a major American technology company renowned for designing and fabricating semiconductors and various integrated circuits. Founded in 1951, TI specializes in analog and embedded processing technology, serving a wide range of industries including automotive, industrial, communications, and consumer electronics. The LM339 is a quad comparator, widely used in applications requiring signal comparison and voltage level detection. Texas Instruments is known for its innovation and commitment to quality in the semiconductor sector, providing a variety of components that power countless electronic devices globally.

Application

The LM339NSR is a quad comparator used in various applications, including voltage level detection, signal conditioning, and interfacing sensors. It is commonly utilized in systems for over-voltage and under-voltage protection, hysteresis applications, and as a zero-crossing detector in AC signals. Its low power consumption and fast response time make it suitable for battery-powered devices and analog-to-digital conversion tasks.

Equivalent

The LM339NSR is a quad comparator. Equivalent products include:
1. LM2901 - Quad comparator with a wider input voltage range.
2. TLV comparators (like TLV3701) - Low-voltage variants.
3. LM393 - Dual comparator, not quad but similar function.
4. LTC675 - Precision quad comparator.
Always verify specifications for specific applications, as characteristics may differ.

Expédition

Méthodes d'expéditionNous

offrir des services d'expédition mondiaux par DHL, FedEx, TNT, UPS ou tout autre expéditeur de votre choix.


Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

Payment Methods

Le terme de paiement est 100% prépayé.

Actuellement, nous n'acceptons que les méthodes de paiement ci-dessous:

1. PayPal

2. Carte de crédit/débit

3. Transfert bancaire