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LM311N The STMicroelectronics LM311N is a versatile, high-speed differential comparator. It offers a 30V maximum supply voltage and a fast propagation delay of 0.115µs.
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LM311N

Available from 7 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LM311N is a versatile, high-speed differential comparator. It offers a 30V maximum supply voltage and a fast propagation delay of 0.115µs.
✓ Total Stock: 44,586 pcs

LM311N Available from 7 distributors

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LM311N Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Mounting Type
Number of Elements
Operating Temperature
Output Type
Propagation Delay
Supplier Device Package
Tape & Reel
Type
Voltage
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LM311N Description

Short technical summary and product information.

The LM311N from STMicroelectronics is a single, high-speed voltage comparator designed for general-purpose applications. It operates from a wide range of power supply voltages, including single 5V supplies, and is compatible with most TTL and MOS logic circuits.

 

Key electrical characteristics include a maximum supply voltage of 30V, a minimum supply voltage of 3.5V, and a fast propagation delay time of 0.115µs. The device features an open-collector output type and can operate from 0°C to 70°C.

 

This comparator is suitable for driving lamps or relays and switching voltages up to 50V at 50mA. It is available in an 8-DIP through-hole package, making it easy to integrate into various electronic designs. The LM311N also includes strobe capabilities and offset balancing features.

 

Applications for the LM311N include voltage sensing, threshold detection, and signal conditioning circuits where precise and fast comparison is required. Its robust design and wide operating voltage range make it a reliable choice for industrial and commercial electronics.

LM311N Quick Information

Product Type: Comparator
Canonical Name: LM311N Differential Comparator
Subcategory: General Purpose

LM311N Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LM311N Features

  • High-speed differential comparator with strobes.
  • Operates from wide supply voltage range.
  • Fast response time of 165 ns.
  • Open-collector output type.
  • Through-hole mounting in 8-DIP package.

LM311N Applications

  • Voltage threshold detection circuits.
  • Signal conditioning and level shifting.
  • Driving lamps or relays.
  • Logic level translation.
  • Power supply monitoring.

LM311N FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating temperature range for the LM311N comparator?

The operating temperature range for the LM311N is 0°C to 70°C.

What is the maximum supply voltage for the LM311N?

The maximum supply voltage for the LM311N is 30V.

What is the propagation delay of the LM311N comparator?

The propagation delay time for the LM311N is 0.115µs.

What type of output does the LM311N comparator have?

The LM311N has an open-collector output type.

What package is the LM311N comparator supplied in?

The LM311N is supplied in an 8-DIP package.

Does the LM311N support single 5V supply operation?

Yes, the LM311N can operate from a single 5V supply.

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