Differential Comparator. LM393 Datasheet

LM393 Comparator. Datasheet pdf. Equivalent

Part LM393
Description Dual Differential Comparator
Feature www.fairchildsemi.com LM2903,LM393/LM393A,LM293A Dual Differential Comparator Features • Single Sup.
Manufacture Fairchild Semiconductor
Datasheet
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LM393
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 800A 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



LM393
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 = 25C
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.
8-DIP
8-SOIC
Symbol
Rja
Value
18 or 36
36
-0.3 to +36
Continuous
1040
480
0 ~ +70
-40 ~ +105
-25 ~ +85
-65 ~ +150
Value
120
260
Unit
V
V
V
-
mW
C
C
Unit
C/W
2





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