LM319DT

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LM319DT

IC COMPARATOR HS DUAL 14-SOIC

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Specifications

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

Overview

Description

The LM319DT is a high-speed dual comparator integrated circuit designed for use in various analog signal processing applications. It features two independent, high-gain, fast comparators that can operate with a wide supply voltage range, typically from 3V to 30V. The LM319DT is known for its fast response time, with a propagation delay of around 50 nanoseconds, making it suitable for high-frequency applications.
Key specifications include low input offset voltage, high input impedance, and the ability to handle input signals that can range from the negative supply voltage to the positive supply voltage. The LM319DT is often used in applications like zero-crossing detectors, voltage level detectors, and signal conditioning circuits.
In a standard DIP-14 package, it is easy to integrate into various electronic designs, and its dual comparator design allows for compact circuit configurations. Overall, the LM319DT provides reliable performance in diverse electronic applications requiring fast and precise voltage comparisons.

Features

The LM319DT is a dual comparator integrated circuit designed for various applications in signal processing and control systems. Key features include:
1. Dual Comparator: Contains two independent, high-speed comparators.
2. Wide Supply Voltage Range: Operates from 3V to 30V, making it versatile for various applications.
3. High-Speed Operation: Typical response time is around 200 ns, enabling fast signal processing.
4. Low Input Offset Voltage: Typically 2 mV, ensuring accurate comparisons.
5. Rail-to-Rail Output: Allows output voltage swing from the negative supply to the positive supply, enhancing output range.
6. High Gain: Offers high open-loop gain, providing strong performance in feedback applications.
7. Low Power Consumption: Consumes minimal power, suitable for battery-operated devices.
8. Temperature Range: Operates effectively over a wide temperature range from -40°C to +125°C.
These features make the LM319DT suitable for applications like voltage level detection, pulse-width modulation, and signal conditioning.

Package

The LM319DT is packaged in a dual-in-line package (DIP) with 8 pins. It is commonly used in various applications, including comparators and other signal processing tasks.

Pinout

The LM319DT is a high-speed dual comparator designed for applications requiring fast response times and high accuracy. It features a total of 8 pins.
Pin Configuration and Functions:
1. Offset Null (Pin 1): Used for offset voltage adjustment.
2. Inverting Input (Pin 2, IC1): The input for the first comparator.
3. Non-Inverting Input (Pin 3, IC1): The reference input for the first comparator.
4. Output (Pin 4, IC1): The output of the first comparator.
5. Ground (Pin 5): Common ground for the device.
6. Output (Pin 6, IC2): The output of the second comparator.
7. Non-Inverting Input (Pin 7, IC2): The reference input for the second comparator.
8. Inverting Input (Pin 8, IC2): The input for the second comparator.
The LM319DT operates on a wide supply voltage range and is suitable for applications like pulse-width modulation and zero-crossing detectors.

Manufacturer

The LM319DT is manufactured by Texas Instruments, a prominent American technology company. Founded in 1930, Texas Instruments (TI) is known for its development and production of semiconductor products, including integrated circuits, analog electronics, and digital signal processors. The company serves various markets, such as automotive, industrial, communications, and consumer electronics. TI is recognized for its innovation in the field of electronics and has a strong focus on research and development to provide advanced solutions in analog and embedded processing technologies.

Application

The LM319DT is a dual comparator used in various applications, including voltage level detection, pulse width modulation (PWM) control, analog signal processing, and waveform shaping. It is commonly employed in automotive systems, industrial automation, and consumer electronics for signal conditioning and threshold detection. Its high speed and low power consumption make it suitable for high-frequency applications like oscillators and timing circuits.

Equivalent

The LM319DT is a dual comparator. Equivalent products include:
1. LM393: Dual comparator, similar functionality but with a different output stage.
2. TLV3701: Single supply, low power comparator.
3. MCP6541: Low-power comparator with a push-pull output.
4. LM311: Single comparator with a similar voltage range.
Always check specifications for voltage, speed, and output type compatibility.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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