LM239APT

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LM239APT

IC COMPARATOR 4 GEN PUR 14TSSOP

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規格

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

概述

Description

The LM239APT is a quad comparator integrated circuit (IC) designed for precision analog signal processing. It features four independent, high-speed comparators, each capable of operating with a wide supply voltage range from 2V to 36V. The LM239APT provides a fast response time, with a propagation delay of approximately 200 ns, making it suitable for applications requiring quick decision-making.
The device is characterized by low input offset voltage and low bias currents, enhancing its accuracy and reliability in various conditions. It also includes a built-in hysteresis feature to minimize noise and prevent false triggering.
Common applications for the LM239APT include zero-crossing detectors, voltage level comparators, and systems requiring signal conditioning. Its versatility and robust design make it a popular choice in both consumer electronics and industrial automation. Available in a 14-pin DIP package, it is easy to integrate into a wide variety of circuit designs.

Features

The LM239APT is a quad comparator IC featuring four independent, high-speed voltage comparators. Key features include:
1. Wide Supply Voltage Range: Operates from a single supply voltage of 2V to 36V or dual supplies of ±1V to ±18V.
2. High Speed: Typically responds in less than 300 ns, making it suitable for fast applications.
3. Low Input Bias Current: Approximately 100 nA, enhancing precision in low-power applications.
4. High Voltage Gain: Offers high open-loop gain, providing better performance in signal detection.
5. Low Total Supply Current: Typically 1.5 mA per comparator, making it energy-efficient.
6. Output Stage: Can drive TTL and CMOS loads directly, simplifying circuit design.
7. Temperature Range: Rated for operation from -40°C to +125°C, suitable for industrial applications.
8. Low Offset Voltage: Ensures accurate threshold detection with a maximum of 5 mV offset.
These features make the LM239APT ideal for various applications, including analog signal processing, zero-crossing detection, and threshold detection in automotive, industrial, and consumer electronics.

Package

The LM239APT is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) format. This surface-mount package is designed for compact applications, providing a low-profile solution for integrating the quad comparator into electronic circuits.

Pinout

The LM239APT is a quad comparator integrated circuit with a total of 14 pins. Each of the four comparators has the following pin configuration:
1. Pin 1: Output (Comparator 1)
2. Pin 2: Inverting Input (Comparator 1)
3. Pin 3: Non-inverting Input (Comparator 1)
4. Pin 4: V- (Negative supply voltage)
5. Pin 5: Output (Comparator 2)
6. Pin 6: Inverting Input (Comparator 2)
7. Pin 7: Non-inverting Input (Comparator 2)
8. Pin 8: Output (Comparator 3)
9. Pin 9: Inverting Input (Comparator 3)
10. Pin 10: Non-inverting Input (Comparator 3)
11. Pin 11: Output (Comparator 4)
12. Pin 12: Inverting Input (Comparator 4)
13. Pin 13: Non-inverting Input (Comparator 4)
14. Pin 14: V+ (Positive supply voltage)
The LM239APT operates with a wide voltage range and is used for a variety of applications requiring signal comparison.

Manufacturer

The LM239APT is manufactured by Texas Instruments (TI), a well-known American technology company. Texas Instruments specializes in the design and production of semiconductors and various integrated circuits, including analog, digital signal processing (DSP), and embedded processing products. Founded in 1930, TI has evolved to become a leading player in the electronics industry, providing components and solutions for a wide range of applications, including automotive, industrial, communications, and consumer electronics. The LM239APT is a quad comparator, widely used in various electronic circuits for signal comparison and voltage level detection.

Application

The LM239APT is a quad comparator used in various applications, including voltage level detection, signal conditioning, and threshold detection. It's commonly found in analog signal processing, temperature monitoring, and battery management systems. Additionally, it can be utilized in oscillators, filters, and inverting/non-inverting comparator setups in robotics and control systems. Its low power consumption makes it suitable for portable and battery-operated devices.

Equivalent

Equivalent products to the LM239APT chip include the LM239, LM2901, TLV239, and MCP6004. These are quad comparators, but ensure to check specific parameters like voltage range, output type, and package to confirm compatibility for your application.

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