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LM293A

Dual Differential Comparator

Fairchild Semiconductor 

www.fairchildsemi.com

LM2903,LM393/LM393A,LM293A

Dual Differential Comparator

Features

• Single Supply Operation: 2V to 36V

• Dual Supply Operation: 1V to 18V

• Allow Comparison of Voltages Near Ground Potential

• Low Current Drain 800A Typ.

• Compatible with all Forms of Logic

• Low Input Bias Current 25nA Typ.

• Low Input Offset Current 5nA Typ.

• Low Offset Voltage 1mV Typ.

Description

The LM2903, LM393/LM393A, LM293A consist of two

independent voltage comparators designed to operate from a

single power supply over a wide voltage range.

8-DIP

1

8-SOIC

1

Internal Block Diagram

OUTPUT1 1

IN1 (-) 2 -

IN1 (+) 3 +

GND 4

8 VCC

7 OUTPUT2

- 6 IN2 (-)

+ 5 IN2 (+)

©2012 Fairchild Semiconductor Corporation

Rev. 2.0.2

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