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LM311N The Texas Instruments LM311N is a versatile, high-speed differential comparator designed for general-purpose applications. It operates from a wide supply voltage range and features an open-collector output.
Mfr Part #:

LM311N

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM311N is a versatile, high-speed differential comparator designed for general-purpose applications. It operates from a wide supply voltage range and features an open-collector output.
✓ Total Stock: 1,200 pcs

LM311N Available from 4 distributors

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LM311N Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Lead Spacing
Lead Style
Mounting Type
Number of Elements
Operating Temperature
Output Type
Propagation Delay
Quiescent Current
Supplier Device Package
Supply Voltage
Type
Voltage
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LM311N Description

Short technical summary and product information.

The LM311N from Texas Instruments is a single, high-speed voltage comparator. It is designed to operate from a wide range of power-supply voltages, including ±15V supplies for operational amplifiers and 5V supplies for logic systems. The output levels are compatible with most TTL and MOS circuits.

 

Key electrical specifications include a propagation delay time of 115 ns and a maximum input bias current of 250 nA. The device supports a wide supply voltage range from 3.5V to 30V. It features an open-collector output type, allowing for flexible interfacing with various logic families.

 

This comparator is suitable for applications requiring fast response times, with a typical fast response time of 165 ns. It can operate from a single 5V supply and is available in the 8-PDIP through-hole package, with dimensions of 0.300" (7.62mm). The operating temperature range is from 0°C to 70°C.

 

The LM311N is designed for general-purpose use and offers features like strobe capability and offset voltage adjustment pins. Its outputs can drive loads referenced to ground, VCC+, or VCC−, and can be wire-OR connected.

LM311N Quick Information

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

LM311N Compliance

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

LM311N Features

  • High-speed differential comparator.
  • Wide supply voltage range.
  • Open-collector output type.
  • Fast response time of 165 ns.
  • Through-hole mounting in 8-PDIP package.

LM311N Applications

  • General purpose voltage comparison.
  • Logic level translation circuits.
  • Power supply monitoring applications.
  • Lamp and relay driver circuits.

LM311N FAQs

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

The LM311N operates from a supply voltage range of 3.5V to 30V.

What is the propagation delay of the LM311N?

The propagation delay time for the LM311N is 115 ns.

What type of output does the LM311N have?

The LM311N features an open-collector output type.

What is the operating temperature range for the LM311N?

The LM311N can operate in a temperature range of 0°C to 70°C.

What package is the LM311N available in?

The LM311N is available in an 8-PDIP package.

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