LM339M

Name: LM339M
Brand: Texas Instruments
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

Plastic SOP LM339M with Quad Voltage Comparator

5,766 Effective Inventory

LM339M

Effective Inventory5,766

Plastic SOP LM339M with Quad Voltage Comparator

Manufacturer Part # : LM339M
Package/Case: SOIC (D)-14
Brand: Texas Instruments
Product Categories : Comparators
Series : LM339

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Initiate the application within 90 days from the shipment date.

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LM339M DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$0.721	$0.72
200	$0.279	$55.80
500	$0.269	$134.50
1000	$0.264	$264.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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LM339M Description

The LM339M is a quad comparator from Texas Instruments, designed for various applications that require voltage comparators, current monitors, signal conditioning circuits, pulse-width modulation controllers, and voltage measurement circuits. This device is ideal for industrial communication applications, featuring high ESD protection, low power consumption, and a wide operating temperature range.

Features

The LM339M features high ESD protection, low power consumption, and a wide operating temperature range. It is designed for various applications that require voltage comparators, current monitors, signal conditioning circuits, pulse-width modulation controllers, and voltage measurement circuits.

Applications

This device can be used in industrial communication networks, automotive communication systems, building automation systems, battery-powered devices, and EMI-sensitive applications.

Where to Use:

Industrial communication networks
Automotive communication systems
Building automation systems
Battery-powered devices
EMI-sensitive applications

Manufacturer

The LM339M is manufactured by Texas Instruments (TI), a global leader in semiconductor technology. It falls under the category of quad comparators, which are designed to facilitate reliable and robust voltage comparisons in various industrial and automotive applications.

Packages

The LM339M comes in an 14-pin DIP (Dual In-Line Package) package. This package is designed for through-hole technology, offering a compact and efficient solution for integrating the comparator into electronic circuits.

Equivalent Parts of LM339M

LM339: A comparable quad comparator from Texas Instruments with similar features and performance.
OP07: An alternative quad comparator from Analog Devices that offers equivalent functionality.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of channels	4	Output type	Open-collector, Open-drain
Propagation delay time (µs)	1.3	Vs (max) (V)	36
Vs (min) (V)	2	Vos (offset voltage at 25°C) (max) (mV)	5
Iq per channel (typ) (mA)	0.2	Input bias current (±) (max) (nA)	250
Rail-to-rail	Out	Rating	Catalog
Operating temperature range (°C)	0 to 70	Features	Standard comparator
VICR (max) (V)	34	VICR (min) (V)	0

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LM339M PDF Download

FAQs

What is LM339M?

The LM339M is a quad voltage comparator integrated circuit (IC) manufactured by Texas Instruments. It contains four independent high-gain voltage comparators designed for use in analog voltage level detection and monitoring applications.

How Does LM339M Work?

The LM339M works by comparing the voltages present at its multiple input pins and providing a digital output based on the comparison results. Each comparator in the IC amplifies the voltage difference between its two input terminals and outputs a logical high or low signal based on the comparison. The device is commonly used in applications like threshold detection, signal conditioning, and overvoltage protection.

How Many Pins does LM339M have and What are the Functions of the Pinout Configuration?

The LM339M is housed in a 14-lead SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

VCC: Positive power supply pin.
GND: Ground pin.
IN1, IN2, IN3, IN4: Inverting and non-inverting input pins for the four comparators.
OUT1, OUT2, OUT3, OUT4: Output pins for the four comparators.
-: Output pull-down pin for open-drain output configuration.
+: Output pull-up pin for open-drain output configuration.

What are the Pros and Cons of LM339M?

Pros:

Quad Comparator: Contains four independent comparators in a single IC package.
Low Power Consumption: Operates at low power, suitable for battery-powered applications.
Wide Supply Voltage Range: Supports a wide supply voltage range for versatile applications.
Open-Collector Outputs: Provides flexibility in output configurations for different designs.
Low Input Offset Voltage: Ensures high precision in voltage comparisons.

Cons:

Output Saturation Voltage: May have higher saturation voltage which can affect certain applications.
Propagation Delay: The comparators may introduce a slight propagation delay in switching states.
Noise Sensitivity: Sensitive to noise, requiring proper signal conditioning in noisy environments.

Are There Any Equivalents/Alternatives to LM339M for Recommendation?

The LM2903 from Texas Instruments is a similar quad comparator IC to the LM339M.
Alternatives to the LM339M include the LM393 from Texas Instruments and the MCP6004 from Microchip Technology.