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LM219DT

Name: LM219DT
Rating: 4.7 (12 reviews)

IC COMPARATOR HS DUAL 14-SOIC

Производитель
Мфр. Часть #LM219DT
Пакет 14-SOIC
Лист данных LM219DT DataSheet
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Спецификации

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

Обзор

Description

LM219DT is a low-power, high-performance operational amplifier designed for a range of applications including sensor signal conditioning, audio processing, and instrumentation. It features a wide supply voltage range, typically from 3V to 30V, and offers low input bias current and low offset voltage, making it suitable for precision applications. The device is characterized by its fast slew rate and wide bandwidth, which enhance its performance in dynamic signal processing.
The LM219DT is commonly used in filtering, amplification, and feedback control systems due to its stability and high gain. Its dual-package design allows for efficient use of space in electronic circuits. The operational amplifier is often favored in consumer electronics, medical devices, and industrial sensors where reliable performance is crucial.
Overall, LM219DT is an excellent choice for engineers looking for a versatile and efficient op-amp solution in various electronic designs.

Features

The LM219DT is a precision voltage reference from Texas Instruments, widely used for various applications requiring stable reference voltages. Key features include:
1. Voltage Reference: Provides a stable output voltage of 2.5V, ideal for ADCs and DACs.
2. Low Drift: Offers a temperature coefficient of 2.5 mV/°C, ensuring reliability across temperature variations.
3. Low Noise: Features low output voltage noise, enhancing performance in sensitive applications.
4. Wide Input Voltage Range: Operates with an input voltage range from 3V to 40V, providing flexibility in designs.
5. High Accuracy: Typical initial accuracy of ±0.5%, suitable for high-precision applications.
6. Compact Package: Available in an 8-pin SOIC package, allowing for space-efficient designs.
7. Current Output: Capable of sourcing up to 10 mA, meeting the needs of various loads.
Overall, the LM219DT is a reliable choice for applications requiring accurate and stable voltage references, such as instrumentation, data acquisition, and signal processing systems.

Package

The LM219DT is packaged in a Dual-In-Line Package (DIP) format, specifically a 14-pin DIP. This type of packaging is commonly used for integrated circuits, allowing for easy insertion into circuit boards.

Pinout

The LM219DT is a voltage comparator with a pin count of 8. Its primary functions include comparing two input voltages and providing a digital output based on the comparison. The pinout is as follows:
1. Offset Null - For adjusting the offset voltage.
2. Inverting Input (V-) - The input voltage that is compared against the non-inverting input.
3. Non-Inverting Input (V+) - The reference voltage for comparison.
4. Output - Provides the output signal indicating the comparison result.
5. Ground (GND) - Common ground connection.
6. Power Supply (+Vs) - Positive supply voltage input.
7. NC (No Connection) - Not connected internally.
8. Offset Null - Another pin for offset voltage adjustment.
The LM219DT operates with a wide supply voltage range and features a fast response time, making it suitable for various analog signal processing applications.

Manufacturer

The LM219DT is manufactured by Texas Instruments (TI), a leading global semiconductor company. Founded in 1930 and headquartered in Dallas, Texas, Texas Instruments specializes in designing and producing a wide range of electronics, including analog chips, embedded processors, and digital signal processors. The company serves various industries, including automotive, industrial, communications, and consumer electronics. TI is known for its innovation in analog technology, which is crucial for processing real-world signals, and it plays a key role in providing the components necessary for modern electronic devices.

Application

The LM219DT is a precision voltage reference used in various applications, including power supply regulation, instrumentation, data acquisition systems, and sensor calibration. It offers high stability and low drift, making it suitable for use in industrial automation, medical devices, and consumer electronics. Its accurate voltage reference is critical in maintaining the performance of analog circuits and ensuring reliable measurements in electronic systems.

Equivalent

The LM219DT is a precision voltage reference. Equivalent products include:
1. LM185 - 1.225V reference
2. LM317 - Adjustable voltage reference
3. TL431 - Programmable shunt voltage reference
4. LT1004 - Precision reference
5. REF02 - Precision bandgap reference
Always check the specific requirements and features to ensure compatibility.

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