LM239PT

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LM239PT

IC COMPARTR QUAD BIPOLAR 14TSSOP

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사양

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type General Purpose
NumberofElements 4
OutputType CMOS, DTL, ECL, MOS, Open-Collector, TTL
Voltage-SupplySingle/Dual(±) 2V ~ 32V, ±1V ~ 16V
Voltage-InputOffset(Max) 5mV @ 30V
Current-InputBias(Max) 0.25µA @ 5V
Current-Output(Typ) 16mA @ 5V
Current-Quiescent(Max) 2mA
OperatingTemperature -40°C ~ 105°C
Package/Case 14-TSSOP (0.173, 4.40mm Width)
MountingType Surface Mount

개요

Description

The LM239PT is a quad comparator integrated circuit (IC) designed for use in various analog applications. It features four independent, high-speed voltage comparators, which can compare two input voltages and output a digital signal based on the comparison. The LM239 operates with a wide supply voltage range of 2 to 36 volts and is suitable for both single and dual power supply configurations.
Key features include a low input bias current, high gain, and a fast response time, making it ideal for applications like zero-crossing detectors, pulse width modulation, and analog-to-digital converters. The LM239PT is housed in a 14-pin DIP (Dual In-Line Package) form factor, providing ease of integration into circuits.
Due to its low output saturation voltage, it is also compatible with TTL (Transistor-Transistor Logic) levels. Overall, the LM239PT is widely used in electronic designs requiring reliable voltage comparison capabilities.

Features

The LM239PT is a quad comparator designed for use in a variety of applications including voltage level detection and signal processing. Key features include:
1. Quad Comparator: Contains four independent, high-speed voltage comparators.
2. Wide Supply Voltage Range: Operates from a single supply voltage of 2 to 36 volts or dual supplies of ±1 to ±18 volts.
3. Low Input Offset Voltage: Typically around 1 mV, enhancing precision in applications.
4. High Speed: Response time is typically 300 ns, allowing for fast signal processing.
5. Open-Collector Output: Enables interfacing with various voltage levels, providing flexibility in circuit design.
6. Low Power Consumption: Consumes minimal power during operation, making it suitable for battery-operated devices.
7. Temperature Range: Rated for operation over a temperature range of -40°C to +125°C, suitable for harsh environments.
8. Latch-up Resistant: Built to withstand adverse conditions without failure.
These features make the LM239PT ideal for applications in automotive, industrial, and consumer electronics.

Package

The LM239PT is typically packaged in a dual in-line package (DIP) format. Specifically, it is often found in a 14-pin DIP configuration, suitable for through-hole mounting on printed circuit boards.

Pinout

The LM239PT is a quad comparator integrated circuit, which features a total of 14 pins. Its primary function is to compare two input voltages and output a high or low signal based on which input is greater.
Pin Configuration:
1. Offset Null (2)
2. Inverting Input 1 (3)
3. Non-inverting Input 1 (4)
4. Output 1 (5)
5. V- (6)
6. Ground (7)
7. Output 2 (8)
8. Non-inverting Input 2 (9)
9. Inverting Input 2 (10)
10. Offset Null (11)
11. Output 3 (12)
12. Non-inverting Input 3 (13)
13. Inverting Input 3 (14)
14. V+ (Power Supply)
The LM239PT is commonly used in applications such as voltage level detection, signal conditioning, and analog-to-digital conversion. It operates with a wide supply voltage range and can handle various input signals effectively.

Manufacturer

The LM239PT is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments specializes in designing and manufacturing a wide range of semiconductor products, including analog, digital signal processing, and embedded processing solutions. Established in 1930, TI is well-known for its innovations in integrated circuits and electronics, serving various industries such as automotive, industrial, communications, and consumer electronics. The LM239PT is a quad comparator, widely used in electronic circuits for signal comparison applications. TI's extensive portfolio and commitment to research and development make it a significant player in the technology sector.

Application

The LM239PT is a quad comparator used in various applications, including voltage level detection, zero-crossing detection, and signal conditioning. It is employed in analog-to-digital conversion, oscillators, and window comparators. Its low power consumption and wide supply voltage range make it suitable for battery-powered devices, consumer electronics, and industrial automation. Additionally, it can be used in feedback control systems and for implementing Schmitt triggers.

Equivalent

The LM239PT is a quad comparator. Equivalent products include:
1. LM compare series (LM2901, LM339)
2. TLV274 (quad high-speed comparator)
3. MCP6541 (low-power comparator)
4. MAX comparators (MAX9600 series)
5. LMV comparators (LMV7219)
Always verify pin compatibility and specifications before substitution.

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