LM239APT

画像は参考用です

LM239APT

+BOM

IC COMPARATOR 4 GEN PUR 14TSSOP

  • メーカーRFE/フューゼテック

  • メーカー品番 #LM239APT

  • データシート LM239APT DataSheet

  • 在庫状況6753

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
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) 2mV @ 30V
Current - Input Bias (Max) 0.1µA @ 5V
Current - Output (Typ) 16mA @ 5V
Current - Quiescent (Max) 2mA
Operating Temperature -40°C ~ 105°C
Package / Case 14-TSSOP (0.173", 4.40mm Width)
Mounting Type Surface Mount
Supplier Device Package 14-TSSOP
Base Product Number LM239

概要

Description

The LM239APT is a quad comparator integrated circuit (IC) manufactured by STMicroelectronics. It contains four independent voltage comparators designed to operate from a single power supply over a wide range of voltages. This IC is often used in applications where it is necessary to compare analog voltages, such as in signal processing, voltage level detection, and threshold level sensing.
The LM239APT operates with a supply voltage range from 2V to 36V, and it can also handle dual supplies. It features low input bias current, low offset voltage, and low power consumption, making it suitable for battery-operated devices. The output is compatible with TTL, DTL, ECL, MOS, and CMOS logic levels.
The package type for LM239APT is typically a TSSOP-14, which facilitates compact PCB design. This comparator is used in a wide range of applications including zero-crossing detectors, voltage level shifters, and oscillators. Due to its robustness and versatile features, the LM239APT is a popular choice for engineers looking to implement reliable and efficient comparator circuits.

Equivalent

The LM239APT is a quad comparator IC. Equivalent products include the LM239N, LM339 and LM2901, which offer similar functionality as quad comparators. Additionally, the LM3302 and TL084 might serve as alternatives, depending on specific requirements like voltage range and manufacturer. It's always good to check the datasheets for compatibility in terms of electrical characteristics and pin configuration before substituting.

Features

The LM239APT is a quad differential comparator that is part of the LM239 series. It is designed for a variety of applications requiring precision voltage comparison. Key features include:
1. Wide Supply Voltage Range: It operates from a single power supply ranging from 2V to 36V or dual supplies ranging from ±1V to ±18V.

2. Low Power Consumption: It offers low power drain suitable for battery-operated devices.
3. Low Input Offset Voltage: Ensures high precision with minimal input offset.
4. Low Input Bias Current: Suitable for high-impedance signal sources due to its low input bias current.
5. Open-Collector Output: Allows for wired-OR configurations for multiple comparator outputs.
6. Wide Temperature Range: It is functional over a wide temperature range, typically from -40°C to +85°C.
7. High Input Impedance: Provides minimal loading on preceding stages.
8. Fast Response Time: Suitable for applications requiring quick decision-making.
The LM239APT is often utilized in level-shifting, zero-crossing detectors, and voltage monitoring applications. Its combination of features makes it a versatile choice for various electronic circuits.

Pinout

The LM239APT is a low-power quad voltage comparator. It features a total of 14 pins. Each of the four comparators within the LM239APT has an inverting input, a non-inverting input, and an output. The specific pin functions are typically as follows:
1. Pin 1: Output of Comparator 1
2. Pin 2: Input Inverting of Comparator 1
3. Pin 3: Input Non-inverting of Comparator 1
4. Pin 4: Supply Voltage Ground (GND)
5. Pin 5: Input Non-inverting of Comparator 2
6. Pin 6: Input Inverting of Comparator 2
7. Pin 7: Output of Comparator 2
8. Pin 8: Output of Comparator 3
9. Pin 9: Input Inverting of Comparator 3
10. Pin 10: Input Non-inverting of Comparator 3
11. Pin 11: Output of Comparator 4
12. Pin 12: Input Inverting of Comparator 4
13. Pin 13: Input Non-inverting of Comparator 4
14. Pin 14: Positive Supply Voltage (VCC)
The LM239APT is designed for wide range of supply voltages and is used in applications that require low-power consumption and reliable comparison of voltages.

Manufacturer

The LM239APT is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products. It serves various sectors, including automotive, industrial, personal electronics, communications equipment, and computer peripherals. The company is known for its commitment to sustainability and innovation, producing integrated circuits, discrete and power devices, and sensors, among other electronic components. Based in Geneva, Switzerland, STMicroelectronics operates globally and is one of the leading players in the semiconductor industry.

Application

The LM239APT is a quad differential comparator used in various applications due to its ability to operate with single or dual power supplies. Common application areas include:
1. Voltage Comparators: Used in circuits requiring precise voltage level detection and comparison.
2. Zero-Crossing Detectors: Essential in AC signal processing and control circuits.
3. Oscillator Circuits: Employed in generating clock or timing signals.
4. Analog-to-Digital Converters: Assists in detecting threshold levels for digital conversion.
5. Signal Conditioning: Enhances signals by comparing them to reference voltages.
6. Industrial and Automotive Systems: Suitable for robust environments due to its wide temperature range.
Its low power consumption and high precision make it ideal for these applications.

Package

The LM239APT is a quad voltage comparator integrated circuit available in a TSSOP-14 package. TSSOP stands for Thin Shrink Small Outline Package, which is a surface-mount package with a smaller footprint and thinner profile compared to traditional SOIC packages.

LM239APTに関連する製品