LM339PT

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LM339PT

IC COMPARATOR QUAD GP 14TSSOP

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  • Fr. Teil #LM339PT
  • Paket TSSOP-14L
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Spezifikationen

Package Tape & Reel (TR)
ProductStatus Obsolete
Type General Purpose
NumberofElements 4
OutputType CMOS, MOS, Open-Collector, TTL
Voltage-SupplySingle/Dual(±) 2V ~ 36V, ±1V ~ 18V
Voltage-InputOffset(Max) 7mV @ 5V
Current-InputBias(Max) 0.25µA @ 5V
Current-Output(Typ) 16mA @ 5V
Current-Quiescent(Max) 1mA
OperatingTemperature 0°C ~ 70°C
Package/Case 14-TSSOP (0.173, 4.40mm Width)
MountingType Surface Mount

Übersicht

Description

The LM339PT is a quad comparator integrated circuit (IC) designed for various applications in electronic circuits. It consists of four independent, high-gain, frequency-compensated voltage comparators with an open-collector output. This feature allows for easy interfacing with different voltage levels and enables wired-AND configurations.
Key specifications include a wide supply voltage range from 2 to 36 volts and a low input voltage range, making it suitable for both single-supply and dual-supply applications. The LM339PT operates with a low input offset voltage, ensuring accurate voltage comparisons.
Common applications include voltage level detection, zero-crossing detectors, and as part of more complex analog systems. Its robustness and versatility make it a popular choice in automotive, industrial, and consumer electronics.
The LM339PT is packaged in a 14-pin DIP or surface-mount options, facilitating integration into various designs.

Features

The LM339PT is a quad comparator IC featuring the following key characteristics:
1. Quad Comparator: Contains four independent, high-speed voltage comparators.
2. Wide Supply Voltage Range: Operates with a supply voltage from 2V to 36V, making it versatile for various applications.
3. Low Input Offset Voltage: Typically 2mV, ensuring accurate comparisons.
4. Open-Collector Output: Allows connection to different voltage levels and is suitable for wired-AND configurations.
5. High Speed: Response time is typically 1.3μs, suitable for fast switching applications.
6. Low Power Consumption: Consumes less power, making it suitable for battery-powered devices.
7. Temperature Range: Rated for operation from -40°C to +125°C, enhancing reliability in harsh environments.
8. Wide Common-Mode Range: Can handle input voltages from the negative supply to 1.5V below the positive supply.
These features make the LM339PT ideal for applications in signal processing, voltage level detection, and various control systems.

Package

The LM339PT is typically packaged in a 14-pin dual in-line package (DIP) format. This type of package allows for easy mounting on printed circuit boards (PCBs) and suitable for various electronic applications.

Pinout

The LM339PT is a quad comparator integrated circuit, which means it contains four independent, high-speed voltage comparators. It typically has a 14-pin Dual In-line Package (DIP) configuration.
Pin Count and Functions:
1. Pin 1: Output of Comparator 1
2. Pin 2: Inverting input (−) of Comparator 1
3. Pin 3: Non-inverting input (+) of Comparator 1
4. Pin 4: V- (Negative power supply)
5. Pin 5: Output of Comparator 2
6. Pin 6: Inverting input (−) of Comparator 2
7. Pin 7: Non-inverting input (+) of Comparator 2
8. Pin 8: Ground (GND)
9. Pin 9: Output of Comparator 3
10. Pin 10: Inverting input (−) of Comparator 3
11. Pin 11: Non-inverting input (+) of Comparator 3
12. Pin 12: Output of Comparator 4
13. Pin 13: Inverting input (−) of Comparator 4
14. Pin 14: Non-inverting input (+) of Comparator 4
The LM339PT operates with a wide supply voltage range and is commonly used in various applications for signal comparison.

Manufacturer

The LM339PT is manufactured by Texas Instruments (TI), an American technology company. Texas Instruments is known for designing and producing semiconductors and various integrated circuits, including analog devices, microcontrollers, and digital signal processors. Founded in 1930, TI serves multiple sectors, including electronics, communications, automotive, and industrial markets. The company is renowned for its innovation in semiconductor technology and has a significant presence in the global market. The LM339PT itself is a quad comparator, widely used in electronic circuits for signal comparison and processing applications.

Application

The LM339PT is a quad comparator used in various applications, including voltage level detection, signal conditioning, and zero-crossing detection. It is commonly utilized in analog-to-digital converters, temperature sensors, and battery management systems. Additionally, it can be used in oscillator circuits, pulse-width modulation, and as part of feedback control systems in automotive and industrial electronics. Its versatility makes it suitable for both consumer electronics and industrial automation.

Equivalent

Equivalent products to the LM339PT include the LM2901, MCP6001, TLV3301, and the LM393. These are all quad comparator chips with similar specifications and functionality, suitable for various applications. Always check datasheets for specific requirements like voltage range and response time to ensure compatibility.

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