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LMV7251 Datasheet(PDF) 3 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) 3 Page - National Semiconductor (TI)

 
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1.8V AC Electrical Characteristics (Continued)
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
PLH
Propagation Delay
(Low to High)
Input Overdrive = 20mV
Load = 50pF//5k
670
ns
Input Overdrive = 50mV
Load = 50pF//5k
400
ns
2.7V Electrical Characteristics
Unless otherwise specified, all limits guaranteed for T
J = 25˚C, V
+ = 2.7V, V= 0V. Boldface limits apply at the temperature
extremes.
Symbol
Parameter
Conditions
Typ
(Note 5)
Limits
(Note 6)
Units
V
OS
Input Offset Voltage
0.03
6
8
mV
max
TC V
OS
Input Offset Average Drift
V
CM = 1.35V (Note 7)
10
µV/C
I
B
Input Bias Current
15
nA
I
OS
Input offset Current
210
pA
I
S
Supply Current
11
18
22
µA
max
I
SC
Output Short Circuit Current
Sourcing, V
O = 1.35V
(LMV7251 only)
28
15
mA
Sinking, V
O = 1.35V
28
15
I
LEAKAGE
Output Leakage Current
V
O = 2.7V,
(LMV7255 only)
320
pA
V
OH
Output Voltage High
I
O = 2mA
(LMV7251 only)
2.63
2.575
V
min
V
OL
Output Voltage Low
I
O = −2mA
61
125
mV
max
V
CM
Input Common Voltage Range
CMRR > 45dB
2.8
V
max
−0.1
V
min
CMRR
Common Mode Rejection Ratio
0 < V
CM < 2.7V
75
46
dB
min
PSRR
Power Supply Rejection Ratio
V
+ = 1.8V to 5V
79
55
dB
min
2.7V AC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for T
J = 25˚C, V
+ = 2.7V, V= 0V.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
830
ns
Input Overdrive = 50mV
Load = 50pF//5k
430
ns
t
PLH
Propagation Delay
(Low to High)
Input Overdrive = 20mV
Load = 50pF//5k
730
ns
Input Overdrive = 50mV
Load = 50pF//5k
410
ns
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