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LM2903,LM393/LM393A,LM293A
Dual Differential Comparator
Features Description
Single Supply Operation: 2V to 36V The LM2903, LM393/LM393A, LM293A consist of two
Dual Supply Operation: 1V to 18V independent voltage comparators designed to operate from a
Allow Comparison of Voltages Near Ground Potential single power supply over a wide voltage range.
Low Current Drain 800A Typ.
Compatible with all Forms of Logic
8-DIP
Low Input Bias Current 25nA Typ.
Low Input Offset Current 5nA Typ.
Low Offset Voltage 1mV Typ.
1
8-SOIC
1
Internal Block Diagram
V
OUTPUT1 1 8 CC
IN1 (-) 2 OUTPUT2
7
-
+
IN2 (-)
IN1 (+)
3 6
-
+
IN2 (+)
45
GND
Rev. 2.0.2
2012 Fairchild Semiconductor Corporation