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LM311 The ST LM311 is a high-speed voltage comparator featuring a fast response time of 165 ns. It is designed for versatile operation and can switch voltages up to 50V at 50mA.
Mfr Part #:

LM311

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The ST LM311 is a high-speed voltage comparator featuring a fast response time of 165 ns. It is designed for versatile operation and can switch voltages up to 50V at 50mA.
✓ Total Stock: 95 pcs
$ Price Range: $12.91

LM311 Available from 1 distributor

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✓ Non-Authorised
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95 pcs
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LM311 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Mounting Type
Response Time
Switching Voltage
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LM311 Description

Short technical summary and product information.

The ST LM311 is a single high-speed voltage comparator designed for a wide range of power supply voltages. It offers a fast response time of 165 ns, making it suitable for demanding applications. Key electrical characteristics include a maximum input bias current of 300 nA and a maximum input offset current of 70 nA.

 

This comparator is capable of driving lamps or relays and switching voltages up to 50 V at 50 mA. Its outputs can drive loads referenced to ground, VCC+, or VCC−. The LM311 features offset balancing and strobe capabilities, and its outputs can be wire-OR connected. If the strobe is low, the output is in the off state, regardless of the differential input.

 

The LM311 is available in an SOIC (8) package, designed for surface mounting. This packaging is suitable for various electronic designs where space efficiency is important.

 

Applications for the LM311 include desktop PCs, body control modules, white goods, building automation, oscillators, and peak detectors.

LM311 Quick Information

Product Type: Voltage Comparator
Canonical Name: LM311 Voltage Comparator
Subcategory: Voltage Comparator

LM311 Compliance

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

LM311 Estimated Pricing

Qty Low High
1+ $12.91 $12.91

Estimated market price range - modelled values for guidance only, not live distributor offers.

LM311 Features

  • Fast response time of 165 ns.
  • Maximum input bias current is 300 nA.
  • Maximum input offset current is 70 nA.
  • Capable of switching 50V at 50mA.
  • Strobe capability included.

LM311 Applications

  • Suitable for desktop PCs.
  • Used in body control modules.
  • Applicable to white goods.
  • Designed for building automation.
  • Useful for oscillators and peak detectors.

LM311 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the response time of the LM311?

The LM311 has a fast response time of 165 ns.

What is the maximum input bias current for the LM311?

The maximum input bias current for the LM311 is 300 nA.

What is the maximum input offset current for the LM311?

The maximum input offset current for the LM311 is 70 nA.

What is the switching voltage and current capability of the LM311?

The LM311 can switch voltages up to 50 V at 50 mA.

What package type is the LM311 available in?

The LM311 is available in an SOIC (8) package.

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