LM239PT

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LM239PT

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IC COMPARTR QUAD BIPOLAR 14TSSOP

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性 値
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Type General Purpose
Number of Elements 4
Output Type CMOS, DTL, ECL, MOS, Open-Collector, TTL
Voltage - Supply, Single/Dual (±) 2V ~ 32V, ±1V ~ 16V
Voltage - Input Offset (Max) 5mV @ 30V
Current - Input Bias(Max) 0.25µA @ 5V
Current - Output (Typ) 16mA @ 5V
Current - Quiescent (Max) 2mA
Operating Temperature -40°C ~ 105°C
Mounting Type Surface Mount

概要

Description

The LM239PT is a quad voltage comparator IC used in various electronic applications to compare voltages and deliver logic level outputs. It comprises four independent voltage comparators in a single package, suitable for both analog and digital circuits. The LM239PT operates over a wide range of supply voltages, from 2V to 36V, making it versatile for different power supply configurations.
Key features of the LM239PT include low input offset voltage, low input bias current, and low power consumption. The IC is known for its fast response time and capability to drive TTL, DTL, or MOS logic levels, making it ideal for time-critical applications. Additionally, the comparators in the LM239PT have an open collector output, allowing for wired-AND configurations.
This device is widely used in zero-crossing detectors, level shifters, and oscillator circuits. The LM239PT's ability to function in a wide temperature range and its robust performance parameters make it a reliable choice for both consumer and industrial electronics.

Equivalent

The LM239PT is a quad comparator IC. Equivalent products include:
1. LM339 A widely used quad comparator with similar specifications.
2. LM2901: Another quad comparator with similar electrical characteristics.
3. TLV1704: A low-voltage version with improved specifications.
4. MC3302: A quad comparator with similar features but different manufacturer.
5. CA339: A quad comparator offering similar functionality.
Ensure to check datasheets for specific application requirements and minor variations.

Features

The LM239PT is a precision quad comparator with several notable features. It operates with a wide supply voltage range, typically from 2V to 36V, making it versatile for various applications. The device possesses low input bias currents, which are beneficial for high-impedance inputs. Each comparator within the LM239PT features an open-collector output, allowing for flexible voltage level interfacing with different logic levels and systems.
This comparator is designed to operate with a low power consumption, enhancing efficiency in battery-powered or energy-sensitive applications. The LM239PT offers a wide common-mode voltage range, encompassing ground, which is advantageous for single-supply applications. It also exhibits a low offset voltage, ensuring accurate performance in precision applications.
The device is capable of driving LED indicators or relays directly due to its output stage design. Additionally, the LM239PT is known for its fast response time, essential for quick signal processing tasks. Lastly, it is housed in a standard package, ensuring it is easy to integrate into existing designs.

Pinout

The LM239PT is a quad comparator integrated circuit, which means it contains four independent voltage comparators in a single package. This device is used to compare voltage levels and can be applied in various electronic projects that require precise voltage comparison, like zero-crossing detectors, voltage level translators, and multivibrators.
The LM239PT typically comes in a 14-pin package. Here's a brief overview of its pin configuration and functions:
1. V+ (Pin 3): Positive supply voltage.
2. GND (Pin 12): Ground connection.
3. Output (Pins 1, 7, 8, 14): Outputs of the four comparators.
4. Inverting Inputs (Pins 2, 6, 9, 13): Negative inputs for the comparators.
5. Non-inverting Inputs (Pins 4, 5, 10, 11): Positive inputs for the comparators.
Each comparator within the LM239PT compares the voltage between its non-inverting and inverting inputs and provides a digital output based on which input is higher.
The LM239PT can operate over a wide range of supply voltages and is suitable for industrial applications due to its robustness and ability to handle various voltage levels efficiently.

Manufacturer

The LM239PT is manufactured by STMicroelectronics, a multinational corporation that specializes in semiconductor technologies. STMicroelectronics is a leading global company involved in the design, development, manufacturing, and marketing of a wide range of integrated devices and circuits. It serves various industries, including automotive, industrial, personal electronics, and communications equipment. The company is known for its innovation in semiconductor solutions and operates in multiple countries, providing products and technologies that are essential for modern electronics and digital devices.

Application

The LM239PT is a quad comparator IC commonly used in various applications. Its primary application areas include:
1. Industrial Control Systems: For monitoring and controlling signals.
2. Voltage Level Detection: Detecting over-voltage or under-voltage conditions.
3. Signal Conditioning: Used in shaping and conditioning analog signals.
4. Oscillators and Function Generators: Generating waveforms for various applications.
5. Sensor Interfacing: Interfacing with sensors for threshold detection.
6. Communication Systems: Signal comparison in modulation and demodulation circuits.
7. Consumer Electronics: Implementing basic control and decision-making functions.
Its ability to operate at a wide range of voltages and low power consumption makes it versatile for many electronic applications.

Package

The LM239PT is a quad comparator integrated circuit, and it typically comes in a TSSOP-14 (Thin Shrink Small Outline Package) package type.

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