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LM239DR2G

Name: LM239DR2G
Rating: 4.7 (12 reviews)

IC COMP QUAD SGL SUPPLY 14SOIC

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製造商。部分 #LM239DR2G
包 14-SOIC
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規格

Package	Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus	Active
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	-25°C ~ 85°C
Package/Case	14-SOIC (0.154, 3.90mm Width)
MountingType	Surface Mount

概述

Description

The LM239DR2G is a quad comparator integrated circuit designed for various applications requiring precise voltage comparisons. It features four independent high-speed voltage comparators with a common power supply range of 2 to 36 volts, making it versatile for both single and dual supply configurations. The device offers a fast response time with a propagation delay of approximately 300 ns and operates with low input offset voltages, ensuring high accuracy in signal detection.
The LM239 is designed for various applications, including zero-crossing detectors, voltage level detectors, and signal conditioning. It is housed in a surface-mount SOIC-14 package, facilitating efficient PCB space usage. The device can operate in temperature ranges from -40°C to +125°C, making it suitable for automotive and industrial environments.
Overall, the LM239DR2G is a reliable choice for designers needing efficient and accurate voltage comparison solutions in their electronic circuits.

Features

The LM239DR2G is a quad comparator from Texas Instruments, featuring four independent precision voltage comparators. Key features include:
1. Supply Voltage Range: Operates from a single supply voltage of 2V to 36V or dual supplies of ±1V to ±18V.
2. Output Type: Open-collector outputs facilitate wired-AND configurations.
3. Input Voltage Range: Can handle input voltages ranging from -0.3V to 36V.
4. Low Power Consumption: Designed for low power operation with a maximum supply current of 0.5 mA per comparator.
5. High Speed: Offers fast response time with a typical propagation delay of 300 ns.
6. Wide Temperature Range: Operational temperature range spans from -40°C to +125°C.
7. Hysteresis: Internal hysteresis for improved noise immunity in applications.
8. Compact Package: Available in a 14-pin SOIC package, suitable for space-constrained designs.
These features make the LM239DR2G ideal for various applications, including signal conditioning, level detection, and threshold detection.

Package

The LM239DR2G is packaged in a SOIC-8 (Small Outline Integrated Circuit) package type. This surface-mount package features 8 pins and is designed for efficient space utilization on printed circuit boards.

Pinout

The LM239DR2G is a quad comparator with a pin count of 14. Each of the four comparators has a non-inverting input (labeled as +IN) and an inverting input (labeled as -IN). The device also includes outputs for each comparator (labeled as OUT). Additional pins include a supply voltage pin (VCC) and a ground pin (GND).
The function of the LM239 is to compare two input voltages and provide an output signal that indicates which input is higher. It features open-collector outputs, allowing multiple comparators to be wired together at the output for wired-AND logic configurations. The LM239 operates with a wide supply voltage range, making it versatile for various applications such as signal conditioning, level shifting, and voltage monitoring.
In summary, the LM239DR2G has 14 pins, serving four comparators with inputs and outputs, along with power supply and ground connections.

Manufacturer

The LM239DR2G is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, which are essential components in electronic devices. The company is well-known for its innovations in analog electronics, digital signal processing, and embedded systems. Founded in 1930, TI has a significant presence in the global semiconductor industry and is recognized for its contributions to various sectors, including automotive, industrial, communications, and consumer electronics. The LM239DR2G is a quad comparator, commonly used in applications requiring signal processing and conditioning.

Application

The LM239DR2G is a quad comparator used in various applications, including signal conditioning, fan speed control, voltage level detection, and temperature monitoring. It is ideal for precision analog applications, such as in automotive systems, industrial automation, and consumer electronics, where its low offset voltage and high-speed performance enhance reliability and accuracy in analog signal processing.

Equivalent

The LM239DR2G is a quad comparator. Equivalent products include:
1. TLV239 - Low-power version with similar functionality.
2. LM2901 - Quad comparator with a different input stage.
3. LM393 - Dual comparator, suitable for applications requiring fewer channels.
4. LMV393 - Low-voltage dual comparator.
Always check the specific datasheets for detailed specifications and compatibility for your application.