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LMV7251 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LMV7251
Description  1.8V Low Voltage Comparator with Rail-to-Rail Input
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LMV7251 Datasheet(HTML) 2 Page - National Semiconductor (TI)

 
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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
ESD Tolerance
1KV (Note 2)
200V (Note 6)
V
IN Differential
+/−Supply Voltage
Supply Voltage (V
+ -V)
5.5V
Voltage at Input/Output pins
V
+ +0.1V, V−0.1V
Soldering Information
Infrared or Convection (20
sec.)
235˚C
Wave Soldering (10 sec.)
260˚C
Storage Temperature Range
−65˚C to +150˚C
Junction Temperature (Note 4)
+150˚C
Operating Ratings (Note 1)
Supply Voltage V
+
1.8V to 5.0V
Junction Temperature Range (Note
3)
−40˚C to +85˚C
Package Thermal Resisance (Note 3)
SOT23-5
325˚C/W
SC-70
265˚C/W
1.8V Electrical Characteristics
Unless otherwise specified, all limits guaranteed for T
J = 25˚C, V
+ = 1.8V, V= 0V. Boldface limits apply at the temperature
extremes.
Symbol
Parameter
Condition
Typ
(Note 4)
Limits
(Note 5)
Units
V
OS
Input Offset Voltage
0.3
6
8
mV
max
TC V
OS
Input Offset Average Drift
V
CM = 0.9V (Note 7)
10
uV/C
I
B
Input Bias Current
14
nA
I
OS
Input Offset Current
200
pA
I
S
Supply Current
11
15
17
µA
max
I
SC
Output Short Circuit Current
Sourcing, V
O = 0.9V
(LMV7251 only)
84
mA
min
Sinking, V
O = 0.9V
11.6
5
I
LEAKAGE
Output Leakage Current
V
O = 1.8V
(LMV7255 only)
300
pA
V
OH
Output Voltage High
I
O = 1.5mA
(LMV7251 only)
1.72
1.675
V
min
V
OL
Output Voltage Low
I
O = −1.5mA
65
125
mV
max
V
CM
Input Common Voltage Range
CMRR > 45 dB
1.9
V
max
−0.1
V
min
CMRR
Common Mode Rejection Ratio
0 < V
CM < 1.8V
72
47
dB
min
PSRR
Power Supply Rejection Ratio
V
+ = 1.8V to 5V
79
55
dB
min
1.8V AC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for T
J = 25˚C, V
+ = 1.8V, V= 0V, V
CM = 0.5V, VO =V
+/2. Boldface limits
apply at the temperature extremes.
Symbol
Parameter
Condition
Typ
(Note 5)
Limits
(Note 6)
Units
t
PHL
Propagation Delay
(High to Low)
Input Overdrive = 20mV
Load = 50pF//5k
720
ns
Input Overdrive = 50mV
Load = 50pF//5k
380
ns
www.national.com
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