LM311MX

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LM311MX

IC COMPARATOR 1 GEN PUR 8SOIC

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Spécifications

Part Status Obsolete
Type Standard (General Purpose)
Number of Elements 1
Output Type Open-Collector, Open-Emitter
Voltage - Supply, Single/Dual (±) 5V ~ 30V, ±2.5V ~ 15V
Voltage - Input Offset (Max) 7.5mV @ 15V
Current - Input Bias (Max) 0.25µA @ 15V
Current - Quiescent (Max) 7.5mA
Operating Temperature 0°C ~ 70°C
Package / Case 8-SOIC (0.154", 3.90mm Width)
Mounting Type Surface Mount
Supplier Device Package 8-SOIC
Base Product Number LM311

Vue d'ensemble

Description

The LM311MX is a high-speed voltage comparator designed for applications requiring fast response times and high precision. It features a wide input voltage range from 3V to 36V and can operate with a single supply, making it versatile for various electronic circuits. The LM311 has open-collector outputs, allowing it to interface easily with different voltage levels or to drive high-current loads.
With a typical propagation delay of 250 ns and a common-mode voltage range that includes ground, it is suitable for high-speed switching and signal processing applications. The device also features low input bias current and a high gain, contributing to its accuracy and reliability in performance.
The LM311MX is commonly used in oscillators, waveform generators, and various automation and control systems. Its compact design and availability in multiple package options enhance its usability across different applications in the electronics industry.

Features

The LM311MX is a voltage comparator featuring the following key specifications and features:
1. Dual Comparator: It contains two independent comparators in a single package.
2. Wide Supply Voltage Range: Operates from a single supply voltage of 5V to 30V, or dual supplies of ±2.5V to ±15V.
3. Fast Response Time: Offers a propagation delay of approximately 1.5 µs, making it suitable for high-speed applications.
4. High Input Impedance: The input bias current is low (typically 250 nA), allowing for minimal loading on the input signal.
5. Output Stage: Open-collector output allows for easy interfacing with various logic levels and provides flexibility in output configuration.
6. Temperature Range: Operates over a wide temperature range from -40°C to +85°C, suitable for industrial applications.
7. Compact Package: Available in a 14-lead DIP and surface mount options, facilitating integration into various circuit designs.
These features make the LM311MX ideal for applications such as window comparators, level detection, and pulse-width modulation circuits.

Package

The LM311MX is typically packaged in an 8-pin DIP (Dual In-line Package) format. This packaging is designed for easy integration into circuit boards, allowing for efficient space utilization and reliable connections.

Pinout

The LM311MX is a dual comparator integrated circuit with a total of 8 pins. Here’s the pin configuration and their functions:
1. Non-inverting Input (A) - Pin 1: The input where the reference voltage is applied.
2. Inverting Input (A) - Pin 2: The input for the signal to be compared against the reference at Pin 1.
3. Output (A) - Pin 3: The output of the comparator for the first comparator section.
4. Ground (GND) - Pin 4: Connects to the negative power supply or ground.
5. Non-inverting Input (B) - Pin 5: The input for the second comparator's reference voltage.
6. Inverting Input (B) - Pin 6: The input for the second comparator's signal to be compared.
7. Output (B) - Pin 7: The output of the second comparator section.
8. VCC - Pin 8: The positive power supply voltage input.
The LM311MX is commonly used in applications such as voltage level detection, zero-crossing detectors, and as a part of analog signal processing circuits.

Manufacturer

The LM311MX is a product manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in designing and producing semiconductor and integrated circuit solutions, particularly analog and digital signal processing chips. Established in 1930, TI is known for its innovations in various electronic applications, including calculators, embedded processors, and analog devices. The company serves a wide range of industries, including automotive, consumer electronics, industrial automation, and telecommunications, making it a key player in the global semiconductor market.

Application

The LM311MX is a voltage comparator used in various applications, including:
1. Voltage level detection
2. Zero-crossing detectors
3. Pulse-width modulation (PWM) circuits
4. Oscillators
5. Signal conditioning
6. Analog-to-digital conversion
7. Comparator-based switching circuits
Its fast response time and low output saturation make it suitable for these applications in industrial, automotive, and consumer electronics.

Equivalent

Equivalent products to the LM311MX include the LM393, LM2901, and TLV3701. These chips are used for voltage comparison and have similar functionalities, though specifications may vary. Always check the datasheets for specific pin configurations and electrical characteristics to ensure compatibility in your application.

Expédition

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FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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