LM319DT

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LM319DT

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IC COMPARATOR HS DUAL 14-SOIC

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規格

屬性 價值
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) 8mV @ ±15V
Current-InputBias(Max) 1µA @ ±15V
Current-Quiescent(Max) 12.5mA
OperatingTemperature 0°C ~ 70°C
Package/Case 14-SOIC (0.154, 3.90mm Width)
MountingType Surface Mount

概述

Description

The LM319DT is a dual comparator integrated circuit known for its high speed and wide input voltage range. It operates with dual power supplies, typically ±5V to ±15V, making it suitable for various applications requiring fast response times. Each comparator in the LM319DT can drive TTL and other logic families, making it versatile in interfacing digital and analog circuits.
Key features include low input offset voltage, high differential input voltage, and a large output voltage swing. The device is capable of driving loads connected to different voltage levels due to its open-collector output configuration. This makes the LM319DT ideal for pulse, square-wave, and time delay generation applications.
Packaged in an SOIC-14 (Small Outline Integrated Circuit) form factor, the LM319DT is suited for surface-mount applications, saving space on printed circuit boards. Its high-speed performance, reliability, and adaptability make it a popular choice in industrial, automotive, and consumer electronics systems.

Equivalent

The LM319DT is a high-speed dual comparator. Equivalent products include the LM319 from other manufacturers like Texas Instruments and ON Semiconductor. Other similar dual comparators include the LM193, LM193A, and LT1016. When selecting an equivalent, ensure that the package type, pin configuration, voltage supply, and switching speed match your application requirements. Always cross-reference the datasheets for compatibility.

Features

The LM319DT is a high-speed dual comparator integrated circuit designed for a wide range of applications. It features an open-collector output, allowing for wired-OR connections, and is capable of driving loads up to 25 mA. The device operates with a wide supply voltage range, typically from 2 V to 36 V, making it suitable for both single and dual power supply configurations. The LM319DT offers fast response times, with propagation delays typically around 80 ns, making it ideal for high-speed applications.
Key features include low input offset voltage and high input impedance, ensuring accurate and reliable performance. The LM319DT also has a wide input common-mode voltage range, which includes ground, making it versatile for various circuit designs. Its temperature stability ensures consistent operation across a wide temperature range. The package for this device is the SO-14, a standard small outline IC package, which provides easy handling and installation in compact designs. These features make the LM319DT suitable for applications such as zero-crossing detectors, pulse-width modulation, and high-speed sampling circuits.

Pinout

The LM319DT is a high-speed dual comparator IC. It typically comes in an 8-pin package. Here is a brief overview of its pin configuration and functions:
1. Pin 1 (OUTPUT B): Output of Comparator B.
2. Pin 2 (VCC-): Negative power supply (Ground).
3. Pin 3 (INPUT B INVERTING): Inverting input of Comparator B.
4. Pin 4 (INPUT B NON-INVERTING): Non-inverting input of Comparator B.
5. Pin 5 (INPUT A NON-INVERTING): Non-inverting input of Comparator A.
6. Pin 6 (INPUT A INVERTING): Inverting input of Comparator A.
7. Pin 7 (VCC+): Positive power supply.
8. Pin 8 (OUTPUT A): Output of Comparator A.
The LM319DT operates with a wide range of power supply voltages and is used for comparing voltages, featuring low response times, making it suitable for applications requiring high-speed voltage level detection.

Manufacturer

The LM319DT is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide variety of semiconductor products. These products serve diverse applications such as automotive, industrial, personal electronics, communications equipment, and computers. The company is recognized for its innovation in technology and its commitment to providing sustainable and efficient solutions. With headquarters in Geneva, Switzerland, STMicroelectronics operates worldwide, serving a large customer base with its extensive product portfolio, including microcontrollers, sensors, power management devices, and integrated circuits like the LM319DT.

Application

The LM319DT is a dual comparator integrated circuit used in various applications requiring fast response times. It is commonly used in zero-crossing detectors, voltage level detection, and pulse-width modulation circuits. The LM319DT is suitable for applications in analog-to-digital conversion, signal conditioning, and threshold detection due to its ability to operate with a wide range of supply voltages and its high input impedance. Additionally, it can be used in motor control systems, instrumentation, and communication systems where precise voltage comparison is necessary. Its versatility makes it ideal for various industrial and consumer electronics applications.

Package

The LM319DT is a dual comparator integrated circuit commonly packaged in a standard SOIC-14 (Small Outline Integrated Circuit with 14 leads) package. This type of packaging is suitable for surface-mount technology applications.