Fairchild LM2903N Dual differential comparator Datasheet

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LM2903,LM393/LM393A,LM293A
Dual Differential Comparator
Features
Description
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The LM2903, LM393/LM393A, LM293A consist of two
independent voltage comparators designed to operate from a
single power supply over a wide voltage range.
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.
8-DIP
1
8-SOIC
1
Internal Block Diagram
OUTPUT1 1
IN1 (-)
2
IN1 (+)
3
GND
4
8
7 OUTPUT2
+
VCC
-
6
IN2 (-)
+
5
IN2 (+)
Rev. 2.0.2
©2012 Fairchild Semiconductor Corporation
LM2903,LM393/LM393A,LM293A
Schematic Diagram
VCC
Q12
Q9
Q14
D3
D2
D4
Q2
Q3
R2
D1
IN (+)
Q1
Q4
OUTPUT
Q8
IN (-)
Q13
Q7
Q5
D5
Q6
R1
D6
GND
Absolute Maximum Ratings
Parameter
Symbol
Value
Unit
VCC
18 or 36
V
VI(DIFF)
36
V
Input Voltage
VI
-0.3 to +36
V
Output Short Circuit to GND
-
Continuous
-
PD
1040
480
mW
Power Supply Voltage
Differential Input Voltage
Power Dissipation, Ta = 25C
8-DIP
8-SOIC
Operating Temperature
LM393/LM393A
LM2903
LM293A
Storage Temperature
TOPR
0 ~ +70
-40 ~ +105
-25 ~ +85
C
TSTG
-65 ~ +150
C
Thermal Data
Parameter
Thermal Resistance Junction-Ambient Max.
8-DIP
8-SOIC
2
Symbol
Value
Unit
Rja
120
260
C/W
LM2903,LM393/LM393A,LM293A
Electrical Characteristics
(VCC = 5V, TA = 25C, unless otherwise specified)
Parameter
Symbol
Input Offset
Voltage
VIO
Input Offset Current
IIO
Input Bias Current
IBIAS
Input Common
Mode
Voltage Range
VI(R)
Supply Current
ICC
Voltage Gain
GV
Large Signal
Response Time
Conditions
LM293A/LM393A
LM393
Unit
Min.
Typ.
Max.
Min.
Typ.
Max.
VO(P) =1.4V, RS = 0
-
1
2
-
1
5
VCM= 0 to 1.5V Note1
-
-
4.0
-
-
9.0
-
5
50
-
5
50
-
-
150
-
-
150
-
65
250
-
65
250
-
-
400
-
-
400
0
-
VCC
-1.5
0
-
VCC
-1.5
0
-
VCC-2
0
-
VCC-2
RL = VCC = 5V
-
0.6
1
-
0.6
1
RL = , VCC = 30V
-
0.8
2.5
-
0.8
2.5
VCC =15V, RL 15k
(for large VO(P-P)swing)
50
200
-
50
200
-
V/mV
TLRES
VI =TTL Logic Swing
VREF =1.4V, VRL = 5V,
RL = 5.1k
-
350
-
-
350
-
nS
Response Time
TRES
VRL =5V, RL =5.1k
-
1.4
-
-
1.4
-
S
Output Sink Current
ISINK
VI(-) 1V, VI(+) =0V,
VO(P) 1.5V
6
18
-
6
18
-
mA
Output Saturation
Voltage
VSAT
VI(-) 1V, VI(+) = 0V
-
160
400
-
160
400
ISINK = 4mA
Note1
-
-
700
-
-
700
VI(-) = 0V,
VI(+) = 1V
VO(P) = 5V
-
0.1
-
-
0.1
-
nA
VO(P) = 30V
-
-
1.0
-
-
1.0
A
Output Leakage
Current
Note1
Note1
Note1
IO(LKG)
mV
nA
nA
V
mA
mV
Note1
LM393/LM393A: 0 TA +70C
LM2903: -40  TA+105C
LM293A : -25 TA  +85C
3
LM2903,LM393/LM393A,LM293A
Electrical Characteristics (Continued)
(VCC = 5V, TA = 25C, unless otherwise specified)
Parameter
Input Offset Voltage
VIO
Input Offset Current
IIO
Input Bias Current
IBIAS
Input Common Mode
Voltage Range
VI(R)
Supply Current
ICC
Voltage Gain
GV
Conditions
LM2903
Unit
Min.
Typ.
Max.
VO(P) =1.4V, RS = 0
-
1
7
VCM= 0 to 1.5V
-
9
15
-
5
50
-
50
200
-
65
250
-
-
500
0
-
VCC
-1.5
0
-
VCC-2
RL = , VCC = 5V
-
0.6
1
RL = , VCC = 30V
-
1
2.5
25
100
-
V/mV
Note1
Note1
Note1
Note1
VCC =15V, RL15k
(for large VO(P-P)swing)
mV
nA
nA
V
mA
Large Signal Response Time
TLRES
VI =TTL Logic Swing
VREF =1.4V, VRL = 5V, RL = 5.1k
-
350
-
nS
Response Time
TRES
VRL = 5V, RL = 5.1k
-
1.5
-
S
Output Sink Current
ISINK
VI(-) 1V, VI(+) = 0V, VO(P) 1.5V
6
16
-
mA
Output Saturation Voltage
VSAT
VI(-) 1V, VI(+) = 0V
-
160
400
Output Leakage Current
Note1
LM393/LM393A: 0 TA +70C
LM2903: -40 TA  +105C
LM293A : -25 TA  +85C
4
Symbol
IO(LKG)
mV
ISINK = 4mA
Note1
-
-
700
VI(-) = 0V,
VO(P) = 5V
-
0.1
-
nA
VI(+) = 1V
VO(P) = 30V
-
-
1.0
A
LM2903,LM393/LM393A,LM293A
Typical Performance Characteristics
Figure 1. Supply Current vs Supply Voltage
Figure 2. Input Current vs Supply Voltage
Figure 3. Output Saturation Voltage vs Sink Current
Figure 4. Response Time for Various Input
Overdrive-Negative Transition
Figure 5. Response Time for Various Input
Overdrive-Positive Transition
5
LM2903,LM393/LM393A,LM293A
Mechanical Dimensions
Package
Dimensions in millimeters
8-DIP
[
.400 10.15
.373 9.46
A
]
.036 [0.9 TYP]
(.092) [Ø2.337]
(.032) [R0.813]
PIN #1
.250±.005 [6.35±0.13]
PIN #1
B
TOP VIEW
OPTION 1
TOP VIEW
OPTION 2
[ ]
.070 1.78
.045 1.14
.310±.010 [7.87±0.25]
.130±.005 [3.3±0.13]
.210 MAX
[5.33]
7° TYP
7° TYP
C
[ ]
.021 0.53
.015 0.37
.001[.025]
C
.015 MIN
[0.38]
.140 3.55
.125 3.17
[ ]
.100
[2.54]
NOTES:
A. CONFORMS TO JEDEC REGISTRATION MS-001,
VARIATIONS BA
B. CONTROLING DIMENSIONS ARE IN INCHES
REFERENCE DIMENSIONS ARE IN MILLIMETERS
C. DOES NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED
.010 INCHES OR 0.25MM.
D. DOES NOT INCLUDE DAMBAR PROTRUSIONS.
DAMBAR PROTRUSIONS SHALL NOT EXCEED
.010 INCHES OR 0.25MM.
E. DIMENSIONING AND TOLERANCING
PER ASME Y14.5M-1994.
N08EREVG
6
.300
[7.62]
.430 MAX
[10.92]
.060 MAX
[1.52]
[
]
+0.127
.010+.005
-.000 0.254-0.000
LM2903,LM393/LM393A,LM293A
Mechanical Dimensions (Continued)
Package
Dimensions in millimeters
8-SOIC
7
LM2903,LM393/LM393A,LM293A
Ordering Information
Product Number
Operating Temperature
LM393N
8-DIP
LM393AN
LM393M
LM393MX
Package
8-SOIC
LM393AMX
8-DIP
-40 ~ +105C
LM2903MX
LM293AN
Rail
Tape & Reel
Rail
Tape & Reel
LM2903N
LM2903M
Rail
Rail
0 ~ +70C
LM393AM
Packing Method
-25 ~ +85C
8-SOIC
8-DIP
Rail
Rail
Tape & Reel
Rail
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER
DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, and (c) whose failure to
perform when properly used in accordance with
instructions for use provided in the labeling, can be
reasonably expected to result in a significant injury of the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
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 2012 Fairchild Semiconductor Corporation
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