LM311MX/NOPB

Name: LM311MX/NOPB
Brand: Texas Instruments
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

The LM311MX/NOPB is a precision comparator that offers a high voltage capability and a floating output

4,458 Effective Inventory

LM311MX/NOPB

Effective Inventory4,458

The LM311MX/NOPB is a precision comparator that offers a high voltage capability and a floating output

Manufacturer Part # : LM311MX/NOPB
Package/Case: SOIC-8
Brand: Texas Instruments
Product Categories : Comparators
Series : LM311

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LM311MX/NOPB DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$0.700	$0.70
10	$0.584	$5.84
30	$0.527	$15.81
100	$0.470	$47.00
500	$0.398	$199.00
1000	$0.381	$381.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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LM311MX/NOPB Details

The LM311MX/NOPB is a high-performance analog comparator from Texas Instruments, designed for precision voltage discrimination in a wide range of applications. This device features an open-collector output, allowing direct interface to logic systems. It provides fast response time and high accuracy, making it suitable for demanding industrial sensing and control applications.

Pinout

1(IN-): Inverting Input
2(IN+): Non-inverting Input
3 OUT-: Open-collector Comparator Output
4 VCC-: Positive Power Supply Pin
5 GND-: Ground Pin

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Wide Input Voltage Range: Single supply range from 2 to 36V and dual supply range from ±1 to ±18V.
Fast Response Time: Response time specified at 50ns for high-speed applications.
High Accuracy: Provides accurate voltage comparison for precise sensing and control.
Open-collector Output: Enables direct interface to logic systems, making it suitable for a wide range of applications.

Application

Voltage Comparator: Ideal for precision voltage discrimination in industrial control and sensing applications.
Overvoltage Protection: Suitable for detecting overvoltage conditions and providing shut-down or alarm signals.
Circuit Breaker Monitoring: Enables monitoring of circuit breaker states, ensuring immediate detection of changes and system shutdown in case of anomalies.

How to Use

To use the LM311MX/NOPB, follow these steps:

Connect the inverting input (IN-) to the positive reference voltage or signal source.
Connect the non-inverting input (IN+) to the negative reference voltage or signal source.
Apply power to the VCC and GND pins.

(Tip: For detailed usage instructions, refer to the datasheet.)

Application Circuit

The application circuit diagram for the LM311MX/NOPB illustrates how to connect the comparator to your sensing and control system. It includes connections for power supply, reference voltages, and input signals.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

LM318MX/NOPB: A similar high-performance analog comparator from Texas Instruments offering comparable features and performance.

Complementary

The LM311MX/NOPB can be complemented by the TLV2704IDR, which provides additional features such as higher accuracy and improved input stage impedance, suitable for more demanding sensing and control applications.

When selecting complementary components, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum input voltage range supported by the LM311MX/NOPB?

A: The LM311MX/NOPB supports a single supply range from 2 to 36V and dual supply range from ±1 to ±18V. For more details, refer to the datasheet for specific operating conditions and limitations.

Q: Can the LM311MX/NOPB be used as a voltage comparator in industrial control systems?

A: Yes, the LM311MX/NOPB is suitable for precision voltage discrimination and control in industrial applications. Its fast response time and high accuracy make it ideal for sensing and monitoring critical system parameters.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of channels	1	Output type	Open-collector, Open-drain
Propagation delay time (µs)	0.2	Vs (max) (V)	36
Vs (min) (V)	5	Vos (offset voltage at 25°C) (max) (mV)	7.5
Iq per channel (typ) (mA)	5.1	Input bias current (±) (max) (nA)	250
Rail-to-rail	No	Rating	Catalog
Operating temperature range (°C)	0 to 70	Features	Strobe, Vos Adj Pin
VICR (max) (V)	34	VICR (min) (V)	0.5

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LM311MX/NOPB PDF Download

FAQs

What is LM311MX/NOPB?

The LM311MX/NOPB is a high-speed voltage comparator designed by Texas Instruments. It is commonly used in applications requiring fast response times and precise voltage comparisons, such as window comparators, voltage-level detectors, and waveform generators.

How Does LM311MX/NOPB Work?

The LM311MX/NOPB operates as a voltage comparator that compares two input voltage levels and outputs a digital signal based on their relationship. It features a fast response time and open-collector output, making it suitable for driving digital logic circuits directly. The comparator can operate over a wide range of supply voltages, enhancing its versatility in various applications.

How Many Pins does LM311MX/NOPB have and What are the Functions of the Pinout Configuration?

The LM311MX/NOPB is housed in an 8-lead SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

VCC: Power supply pin.
IN-: Inverting input pin.
IN+: Non-inverting input pin.
VOUT: Comparator output pin.
NC: No internal connection pin.
NC: No internal connection pin.
GND: Ground pin.
OUT: Open-collector output pin.

What are the Pros and Cons of LM311MX/NOPB?

Pros:

High-Speed Operation: Offers fast response times for time-critical applications.
Wide Supply Voltage Range: Can operate over a broad range of supply voltages.
Open-Collector Output: Allows direct interface with digital logic circuits.
Low Input Offset Voltage: Provides accurate voltage comparisons.
Compact Package: The 8-lead SOIC package is space-efficient and easy to integrate.

Cons:

Noisy: May exhibit noise at high frequencies or near switching thresholds.
Propagation Delay: Has a finite propagation delay that may affect timing-sensitive applications.
Temperature Sensitivity: Performance may vary with temperature changes.

Are There Any Equivalents/Alternatives to LM311MX/NOPB for Recommendation?

An equivalent part to the LM311MX/NOPB is the LM339 from Texas Instruments.
Alternatives to the LM311MX/NOPB include the LM393 from Texas Instruments and the LT1711 from Analog Devices.