LM339DT

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LM339DT

IC COMPARATOR QUAD GP 14SOIC

  • 제조업체
  • Mfr.부분 #LM339DT
  • 패키지 SO-14
  • 데이터시트
  • 재고 있음7696

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사양

Package Tape & Reel (TR)
ProductStatus Active
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) 2mA
OperatingTemperature 0°C ~ 70°C
Package/Case 14-SOIC (0.154, 3.90mm Width)
MountingType Surface Mount

개요

Description

The LM339DT is a quad comparator integrated circuit (IC) designed for use in various electronic applications. It features four independent, high-speed voltage comparators that can operate from a single or dual power supply, with a voltage range typically from 2V to 36V. The LM339DT provides a fast response time, making it suitable for high-speed switching applications.
Each comparator has an open-collector output, allowing for easy wired-AND logic functions and flexibility in interfacing with different voltage levels. The device is commonly used in applications like signal conditioning, level detection, and analog-to-digital conversion.
The LM339DT is available in a DIP-14 or surface mount package, making it suitable for both prototyping and production environments. Its ability to operate in a wide temperature range enhances its usability in various conditions. Overall, the LM339DT is a versatile component widely employed in electronics design for its efficiency and adaptability.

Features

The LM339DT is a quad voltage comparator featuring four independent comparators in a single package. Key features include:
1. Wide Supply Voltage Range: Operates from 2V to 36V, accommodating various applications.
2. Low Power Consumption: Typically consumes 0.8 mA per comparator, making it energy efficient.
3. High Speed: Offers a typical response time of 1.3 µs, suitable for fast signal processing.
4. Open-Collector Output: Allows for easy interfacing with different voltage levels and enables wired-AND configuration.
5. Hysteresis: Optional hysteresis can be added externally for noise immunity in applications.
6. Common Mode Voltage Range: Can handle a common mode voltage from -0.3V to VCC - 2V.
7. Temperature Range: Available in a standard industrial temperature range from -40°C to +125°C.
These features make the LM339DT ideal for comparator applications, voltage level detection, and signal conditioning in various electronic circuits.

Package

The LM339DT is typically packaged in a DUAL-IN-LINE PACKAGE (DIP) form factor, specifically a 14-pin configuration. It may also be available in surface mount options like the SOIC or TSSOP, depending on the manufacturer.

Pinout

The LM339DT is a quad comparator, meaning it contains four independent comparators in a single package. It typically comes in a 14-pin Dual-In-Line Package (DIP) or surface-mount configurations (like SOIC).
Pin Count & Functions:
1. Pin 1 (Output A) - Output of Comparator A
2. Pin 2 (Inverting Input A) - Inverting input of Comparator A
3. Pin 3 (Non-inverting Input A) - Non-inverting input of Comparator A
4. Pin 4 (Output B) - Output of Comparator B
5. Pin 5 (Inverting Input B) - Inverting input of Comparator B
6. Pin 6 (Non-inverting Input B) - Non-inverting input of Comparator B
7. Pin 7 (Ground) - Ground connection
8. Pin 8 (Output C) - Output of Comparator C
9. Pin 9 (Inverting Input C) - Inverting input of Comparator C
10. Pin 10 (Non-inverting Input C) - Non-inverting input of Comparator C
11. Pin 11 (Output D) - Output of Comparator D
12. Pin 12 (Inverting Input D) - Inverting input of Comparator D
13. Pin 13 (Non-inverting Input D) - Non-inverting input of Comparator D
14. Pin 14 (Vcc) - Positive supply voltage
The LM339DT is widely used for voltage level detection and signal comparison applications.

Manufacturer

The LM339DT is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments is known for designing and producing semiconductors and various integrated circuits, including analog, digital signal processing, and microcontroller products. Founded in 1930, TI serves a wide range of industries, including telecommunications, automotive, and consumer electronics. The LM339DT is a quad comparator, widely used in electronics for detecting voltage levels and comparing them to reference voltages. Texas Instruments is recognized for its innovation in analog and embedded processing technologies and is a key player in the semiconductor market globally.

Application

The LM339DT is a quad comparator used in various applications, including voltage level detection, signal conditioning, window comparators, and zero-crossing detection. It's ideal for battery management systems, temperature sensors, and automotive applications for monitoring and control. Its ability to operate with a wide voltage range makes it suitable for industrial automation and consumer electronics. Additionally, it can be utilized in oscillator circuits and feedback loops for stability in control systems.

Equivalent

The LM339DT is a quad comparator. Equivalent products include the LM2901, LM393, TLV3701, and MCP6004. Be sure to check specifications like supply voltage, output type, and package to ensure compatibility.

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