LM393N

Quick Overview

The LM393 is a Dual in package comparator IC, meaning the IC has two comparators inside a single 8-pin package.
Pin Configuration

Pin Number

Pin Name

Description

1

OUTPUT1

Output of Op-Amp 1

2

INPUT1-

Inverting Input of Op-Amp 1

3

INPUT1+

Non-Inverting Input of Op-Amp 1

4

VEE,GND

Ground or Negative Supply Voltage

5

INPUT2+

Non-Inverting Input of Op-Amp 2

6

INPUT2-

Inverting Input of Op-Amp 2

7

OUTPUT2

Output of Op-Amp 2

8

VCC

Positive Supply Voltage

LM393 Differential Comparator features and specifications

Dual Comparator in a single package
Wide power supply Range

Singe supply – 2V to 36V
Dual supply – ±1V to ±18V

Drain Current of only 0.4mA
Input Offset Voltage is ±5mV maximum
Power Dissipation: 660mW
Can Drive most of the TTL and MOS loads
Output can be Isolated from System Ground
Low Offset Voltage and current