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LM393A Datasheet Dual Differential Comparator

Manufacturer: Fairchild (now onsemi)

Overview: www.fairchildsemi.com LM2903,LM393/LM393A,LM293A Dual Differential.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General 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 LM2903,LM393/LM393A,LM293A Schematic Diagram VCC IN (+) IN (-) GND Q9 D2 Q2 D1 Q1 D3 Q3 D4 Q4 Q5 Q6 Q12 Q14 R2 Q8 Q7 Q13 R1 OUTPUT D5 D6 Absolute Maximum Ratings Parameter Power Supply Voltage Differential Input Voltage Input Voltage Output Short Circuit to GND Power Dissipation, Ta = 25C 8-DIP 8-SOIC Operating Temperature LM393/LM393A LM2903 LM293A Storage Temperature Symbol VCC VI(DIFF) VI - PD TOPR TSTG Thermal Data Parameter Thermal Resistance Junction-Ambient Max.

Key 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.

LM393A Distributor & Price

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