LM239PWR

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LM239PWR

+BOM

IC QUAD DIFF COMPARATOR 14-TSSOP

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  • 제조업체 부품 #LM239PWR

  • 패키지 TSSOP-14

  • 재고5306

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사양

속성 가치
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Type Differential
Number of Elements 4
Output Type CMOS, MOS, Open-Collector, TTL
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) 2mA
Operating Temperature -25°C ~ 85°C
Mounting Type Surface Mount

개요

Description

The LM239PWR is a low-power, quad operational amplifier designed for a variety of applications, including signal conditioning and processing. Manufactured by Texas Instruments, it operates over a wide voltage range and is known for its reliability and efficiency. The device features four independent voltage comparators, each with a common open-drain output, allowing for easy interfacing with digital logic systems.
Key features include low input bias current, low offset voltage, and a wide supply voltage range from 2V to 36V, which makes it versatile for both single and dual-supply operations. It is housed in a small-outline package, making it suitable for space-constrained designs. The LM239PWR is commonly used in industrial, automotive, and consumer electronics for applications such as zero-crossing detectors, overvoltage protection, and pulse-width modulators.
Its robust performance and low power consumption make it an ideal choice for battery-powered devices. The "PWR" suffix denotes the specific package type within the family, which affects its pin configuration and thermal performance.

Equivalent

The LM239PWR is a quad comparator IC. Equivalent products include:
1. LM339 series (TI, STMicroelectronics, ON Semiconductor)
2. LM2901 (ON Semiconductor, STMicroelectronics)
3. LM2903 (ON Semiconductor, STMicroelectronics)
4. TLC339 (Texas Instruments)
5. MC3302 (ON Semiconductor, STMicroelectronics)
These comparators typically have similar pin configurations and electrical characteristics, but always check the datasheets for compatibility in specific applications.

Features

The LM239PWR is a quad comparator IC, designed for general-purpose voltage comparison applications. Key features include:
1. Wide Supply Voltage Range: Operates from 2V to 36V, or ±1V to ±18V for split supplies.
2. Low Input Bias Current: Typically around 25 nA, which helps minimize errors in high-impedance circuits.
3. Low Input Offset Current: Usually 5 nA, aiding precision in differential input circuits.
4. Low Input Offset Voltage: Typically 2 mV, contributing to accurate voltage comparison.
5. Low Output Saturation Voltage: Approximately 200 mV at 4 mA load, ensuring efficient switching.
6. Output Compatible with TTL, MOS, and CMOS: Offers flexibility in interfacing with different logic families.
7. Common Mode Input Voltage Range: Extends to ground, enhancing versatility in single-supply applications.
8. Low Power Consumption: Consumes minimal power, making it suitable for battery-powered devices.
9. Operational Temperature Range: From -40°C to 85°C, supporting a wide range of applications.
These features make the LM239PWR suitable for a variety of applications, including zero crossing detectors, level shifters, and signal conditioning.

Pinout

The LM239PWR is a quad comparator integrated circuit. It typically comes in a 14-pin package. Here is a breakdown of its pin configuration and functions:
1. Pin 1: Output 1
2. Pin 2: Input 1 Inverting (-)
3. Pin 3: Input 1 Non-inverting (+)
4. Pin 4: VCC (Positive Supply Voltage)
5. Pin 5: Input 2 Non-inverting (+)
6. Pin 6: Input 2 Inverting (-)
7. Pin 7: Output 2
8. Pin 8: Output 3
9. Pin 9: Input 3 Inverting (-)
10. Pin 10: Input 3 Non-inverting (+)
11. Pin 11: GND (Ground or Negative Supply Voltage)
12. Pin 12: Input 4 Non-inverting (+)
13. Pin 13: Input 4 Inverting (-)
14. Pin 14: Output 4
The LM239PWR is used for comparing voltages and can operate over a wide range of supply voltages, making it suitable for various analog applications.

Manufacturer

The LM239PWR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. They are one of the largest semiconductor companies globally and specialize in developing analog chips and embedded processors used in electronics across various industries, including automotive, industrial, personal electronics, and communications equipment. TI is known for its innovation in the field of electronics and its contributions to the semiconductor industry.

Application

The LM239PWR is a quad comparator used in various applications requiring voltage comparison. It is commonly employed in:
1. Signal Conditioning: Used in analog signal processing to compare input voltages and provide digital logic outputs.
2. Zero-Crossing Detectors: Utilized in AC signal processing to identify zero voltage points.
3. Voltage Level Detection: Essential for voltage monitoring and threshold detection in battery-operated devices.
4. Oscillators and Timers: Integral in generating square wave signals and timing applications.
5. Sensor Interfaces: Used in interfacing with various sensors by providing digital outputs based on analog inputs.
Its wide supply voltage range and low power consumption make it suitable for both consumer electronics and industrial applications.

Package

The LM239PWR is an integrated circuit that typically comes in a TSSOP-14 (Thin Shrink Small Outline Package) package type. This package is characterized by its thin profile and small size, making it suitable for applications requiring compact circuit board layouts.

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