Comparator LM311

The LM311 contains a single voltage comparator. It compares two voltages and indicates which is higher. In addition, the LM311 provides an Open-Collector output.

A LM311 comparator. (Enlarge)

Pin configuration LM311 comparator.

Symbol	Description	Value
	Type	Comparator
V_cc	Operating Voltage	5 V to ±15 V
V_in	Diffential Input Voltage	±30 V
	Output	Open Collector
	Casing	DIL8

Technical data of a LM311

Applications...

Voltage comparator
Schmitt trigger
Display driver
Analog/digital converter

Datenblatt

Datenblatt - BC547 PDF-Download
Example datasheet (PDF)

Note...

With restrictions you can also use operational amplifiers as comparators

You find a detailed description of how to connect the LM311 in the topic "Comparator".

LM339

Comparator LM311

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Experiments with LM311

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