LM311DR2G

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LM311DR2G

IC COMPARATOR SGL HI VOLT 8SOIC

  • 제조업체
  • Mfr.부분 #LM311DR2G
  • 패키지 SOIC-8
  • 데이터시트
  • 재고 있음7611

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사양

Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
Type General Purpose
NumberofElements 1
OutputType DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL
Voltage-SupplySingle/Dual(±) 5V ~ 30V, ±2.5V ~ 15V
Voltage-InputOffset(Max) 7.5mV @ ±15V
Current-InputBias(Max) 0.25µA @ ±15V
Current-Quiescent(Max) 7.5mA
OperatingTemperature 0°C ~ 70°C
Package/Case 8-SOIC (0.154, 3.90mm Width)
MountingType Surface Mount

개요

Description

The LM311DR2G is a high-speed voltage comparator designed for applications requiring precision and quick response. It features a single comparator configuration with a wide input voltage range of -0.3V to 36V, making it versatile for various electronic applications. The device operates on a supply voltage range of 2V to 36V and has a high-speed response time, allowing for fast transitions between output states.
With an open-collector output, the LM311 can be easily interfaced with different voltage levels, enabling compatibility with various logic families. It also features a low input offset voltage, ensuring accurate comparisons between input signals. The device is commonly used in applications such as zero-crossing detectors, pulse-width modulation, and signal conditioning.
The LM311DR2G is offered in an SOIC-8 package, providing a compact solution for space-constrained designs. Its reliability and performance make it a popular choice among engineers in analog and digital circuit design.

Features

The LM311DR2G is a precision voltage comparator designed for various applications. Key features include:
1. High Speed: It has a fast response time, enabling quick comparisons of input signals.
2. Single Supply Operation: Operates from a single power supply voltage ranging from 2V to 36V, enhancing versatility.
3. Low Input Current: Features a low input bias current, making it suitable for high-impedance sensor applications.
4. Open-Collector Output: Provides an open-collector output for easy interfacing with other logic devices and allows for wired-AND configurations.
5. Wide Temperature Range: Operates effectively across a temperature range of -40°C to +125°C, ensuring reliability in diverse environments.
6. Low Power Consumption: Offers minimal power usage, which is beneficial for battery-operated devices.
7. Hysteresis: Provides the option for hysteresis, which improves noise immunity in noisy environments.
These features make the LM311DR2G ideal for applications like level detection, zero-crossing detection, and waveform shaping.

Package

The LM311DR2G is packaged in a SOIC-8 (Small Outline Integrated Circuit) form factor. This surface-mount package has eight pins and is designed for efficient thermal management and space-saving applications.

Pinout

The LM311DR2G is a dual comparator IC with a pin count of 8. Its primary function is to compare two input voltages and output a digital signal indicating which input is higher. The device features open-collector outputs, allowing it to interface with various voltage levels.
Pin Configuration:
1. Inverting Input (−): Connect to one voltage reference.
2. Non-Inverting Input (+): Connect to the second voltage reference.
3. Output: Open-collector output that can be connected to a pull-up resistor.
4. V− (Ground): Connect to the negative supply voltage.
5. V+ (Positive Supply): Connect to the positive supply voltage.
6. N.C. (No Connect): Not connected internally.
7. N.C. (No Connect): Not connected internally.
8. Compensation: Used for frequency compensation if needed.
The LM311DR2G is commonly used in applications such as voltage level detection, signal conditioning, and as part of various control systems.

Manufacturer

The LM311DR2G is manufactured by Texas Instruments (TI), a leading American technology company. Texas Instruments is known for its design and manufacturing of semiconductors and various integrated circuits. Founded in 1930, TI specializes in a wide range of products, including analog and digital signal processors, microcontrollers, and embedded processors, serving multiple sectors such as consumer electronics, automotive, industrial, and telecommunications. The LM311 is a voltage comparator used in various applications for its high-speed performance and versatility. Texas Instruments is recognized for its innovation and contributions to the electronics industry, making it a key player in the semiconductor market.

Application

The LM311DR2G is a dual comparator used in various applications, including voltage level detection, zero-crossing detection, and pulse-width modulation. It is suitable for use in automotive systems, industrial control, and consumer electronics. Additionally, it can be employed in switching regulators, signal conditioning circuits, and as part of high-speed logic systems. Its versatility and fast response time make it ideal for precision applications in analog-to-digital converters and oscillators.

Equivalent

The LM311DR2G is a voltage comparator. Equivalent products include the LM393 (dual comparator), LMV comparators like LMV7219, and the TLV3701 series. Other alternatives are the MCP6561 and MCP6562 from Microchip. Ensure to check specifications like supply voltage, output type, and response time for compatibility.

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