LM219DT

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LM219DT

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IC COMPARATOR HS DUAL 14-SOIC

  • メーカーRFE/フューゼテック

  • メーカー品番 #LM219DT

  • データシート LM219DT DataSheet

  • パッケージ 14-SOIC

  • 在庫状況5565

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
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type General Purpose
NumberofElements 2
OutputType Open-Collector, Open-Emitter, TTL
Voltage-SupplySingle/Dual(±) 5V ~ 30V, ±2.5V ~ 15V
Voltage-InputOffset(Max) 4mV @ ±15V
Current-InputBias(Max) 0.5µA @ ±15V
Current-Quiescent(Max) 11.5mA
OperatingTemperature -40°C ~ 105°C
Package/Case 14-SOIC (0.154, 3.90mm Width)
MountingType Surface Mount

概要

Description

The LM219DT is a precision dual comparator integrated circuit, commonly used in electronic applications for comparing voltages. Encased in a compact SOIC-14 package, this IC features two independent voltage comparators with high-speed response capabilities, making it suitable for applications requiring fast decision-making processes. The LM219DT operates within a wide voltage range and supports both single and dual power supply configurations, enhancing its versatility in various circuit designs.
Key features of the LM219DT include low input offset voltage, low power consumption, and compatibility with standard logic levels, which simplifies integration into digital systems. Its robust temperature performance ensures reliable operation across a broad temperature range, making it ideal for industrial and automotive applications.
Applications of the LM219DT span across zero-crossing detectors, voltage level shifters, and oscillators, among others. Its reliability and precision make it a staple in analog signal processing where accurate voltage comparison is essential. As with all integrated circuits, proper handling and design considerations are necessary to maximize performance and longevity.

Equivalent

The LM219DT is a dual comparator. Equivalent products include the LM319 series, LM111, and LM311, which are also high-speed comparators. It is important to ensure that these alternatives meet your specific electrical and thermal requirements. Always verify pin configurations and electrical specifications before substituting to ensure compatibility with your circuit design.

Features

The LM219DT is a dual comparator integrated circuit known for its high-speed operation and wide bandwidth. It features a fast response time, making it suitable for applications requiring rapid signal processing. The device operates over a wide voltage range, typically from ±5V to ±15V, making it versatile for various applications. It has an open-collector output, allowing for wired-OR configurations and easy interfacing with other logic families.
One of the key features of the LM219DT is its low input offset voltage, which enhances precision in comparisons. The device also boasts low power consumption, contributing to energy efficiency in designs. It is designed to operate over a wide temperature range, ensuring reliability in different environments.
The LM219DT comes in a small SO-14 package, which saves space in circuit designs. It is commonly used in applications like zero-crossing detectors, voltage comparators, and oscillators. Its robust performance and versatility make it a popular choice in both industrial and consumer electronics.

Pinout

The LM219DT is a dual comparator integrated circuit manufactured by STMicroelectronics. It typically comes in an SO-8 or SOIC-8 package, which has 8 pins. The primary function of the LM219DT is to compare two input voltages and output a digital signal indicating which input is higher.
Here is a brief overview of the pin functions:
1. V+: Positive supply voltage.
2. Output A: Output for Comparator A.
3. Input A-: Inverting input for Comparator A.
4. Input A+: Non-inverting input for Comparator A.
5. Ground (GND): Ground connection for the circuit.
6. Input B+: Non-inverting input for Comparator B.
7. Input B-: Inverting input for Comparator B.
8. Output B: Output for Comparator B.
These comparators are used in applications requiring high speed and precision, such as zero-crossing detectors, voltage level detectors, and signal processing circuits.

Manufacturer

The LM219DT 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 more. The company is known for its comprehensive portfolio of technologies, including microcontrollers, sensors, power management devices, and analog products.

Application

The LM219DT is a high-speed dual comparator commonly used in applications that require fast response times and precise measurements. Its application areas include:
1. Analog-to-Digital Converters (ADCs): Used to compare input signals against reference voltages for digitization.
2. Pulse Width Modulation (PWM): Helps in generating PWM signals for motor control and power management.
3. Oscillators and Timing Circuits: Utilized in waveform generation and timing applications.
4. Signal Detection: Employed in zero-crossing detectors and signal conditioning circuits.
5. Voltage Level Shifting: Assists in converting voltage levels between different circuit domains.
These features make the LM219DT suitable for various industrial, automotive, and consumer electronics applications.

Package

The LM219DT is a dual comparator integrated circuit. It typically comes in a SOIC-14 (Small Outline Integrated Circuit) package. This package type is designed for surface mounting on circuit boards, offering a compact form factor suitable for modern electronic devices.

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