LM319M

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LM319M

LM319-N DUAL HIGH SPEED, HIGH VO

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Bảo hành 365 ngày

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Thông số kỹ thuật

Package Bulk
ProductStatus Active
Type General Purpose
NumberofElements 2
OutputType DTL, Open-Collector, Open-Emitter, RTL, TTL
Voltage-SupplySingle/Dual(±) 5V ~ 30V, ±2.5V ~ 15V
Voltage-InputOffset(Max) 8mV @ ±15V
Current-InputBias(Max) 1µA @ ±15V
Current-Output(Typ) 25mA
Current-Quiescent(Max) 12.5mA
OperatingTemperature 0°C ~ 70°C
Package/Case 14-SOIC (0.154, 3.90mm Width)
MountingType Surface Mount

Tổng quan

Description

The LM319M is a dual comparator integrated circuit developed by Texas Instruments, widely utilized in various electronic applications. It features a high voltage range (up to 36V), making it suitable for use in both industrial and consumer electronics. The LM319M offers fast response times with a typical propagation delay of 40 ns and a high gain bandwidth product of 1 MHz, allowing for accurate signal processing.
Key features include open-collector outputs, which can be connected to different voltage levels, and an offset voltage of only a few millivolts, ensuring precision in comparison tasks. It operates over a wide temperature range (-40°C to +125°C), making it reliable in diverse environments.
Common applications of the LM319M include voltage level detection, zero-crossing detection, and as part of oscillators and signal conditioning circuits. Its versatility and robustness make it a popular choice among engineers in designing various analog circuits.

Features

The LM319M is a dual comparator designed for high-speed applications. Key features include:
1. Dual Comparator Design: Contains two independent, high-speed comparators, allowing for multiple comparisons in a single package.
2. High Speed: Fast response time with a typical propagation delay of 100 ns, enabling rapid signal processing.
3. Wide Supply Voltage Range: Operates from a single supply voltage of 3V to 30V, or dual supplies of ±1.5V to ±15V, providing versatility in various applications.
4. Low Input Bias Current: Input bias current is typically 100 nA, ensuring minimal loading on sensor outputs.
5. TTL Compatible Outputs: Outputs can directly interface with TTL logic, facilitating integration into digital circuits.
6. Temperature Range: Available over a wide temperature range of -40°C to +125°C, suitable for industrial applications.
7. Low Power Consumption: Designed to operate efficiently with low power requirements.
These features make the LM319M ideal for applications such as voltage level detection, analog-to-digital converters, and waveform shaping.

Package

The LM319M is typically available in a 14-pin dual in-line package (DIP) configuration. It can also be found in surface mount packages like the SOIC.

Pinout

The LM319M is a dual comparator integrated circuit with a total of 8 pins. The pin configuration and functions are as follows:
1. Offset Null: Used to adjust the offset voltage.
2. Inverting Input (Comparator 1): Input for the first comparator.
3. Non-inverting Input (Comparator 1): Input for the first comparator.
4. Output (Comparator 1): Output of the first comparator.
5. Ground: Common ground connection.
6. Output (Comparator 2): Output of the second comparator.
7. Non-inverting Input (Comparator 2): Input for the second comparator.
8. Inverting Input (Comparator 2): Input for the second comparator.
The LM319M operates over a wide voltage range and provides fast response times, making it suitable for various applications in signal conditioning and control.

Manufacturer

The LM319M is manufactured by Texas Instruments, a leading semiconductor company based in the United States. Texas Instruments designs and produces a wide range of electronic components, including analog and digital integrated circuits, microcontrollers, and processors. The company serves various industries, including automotive, industrial, consumer electronics, and communications. Texas Instruments is known for its innovation in analog technology and is a major player in the global semiconductor market.

Application

The LM319M is a high-speed voltage comparator widely used in various applications, including:
1. Analog Signal Processing: For level detection and waveform shaping.
2. Data Acquisition Systems: To compare analog signals with reference voltages.
3. Pulse Width Modulation (PWM): In motor control circuits.
4. Zero-Crossing Detectors: For AC signal processing.
5. Oscillator Circuits: As part of timing applications.
6. Voltage Level Shifters: In digital communication systems.

Equivalent

The LM319M is a dual comparator, and its equivalent products include the LM393, LM2901, and TLV3701. Other alternatives may include the MCP6541 and the MAX9018. Always verify specifications and pin configurations when substituting components.

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