LMV7251 Datasheet, PDF (2/11 Pages) National Semiconductor (TI) – 1.8V Low Voltage Comparator with Rail-to-Rail Input

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
V_IN Differential
Supply Voltage (V⁺ - V^−)
Voltage at Input/Output pins
Soldering Information
Infrared or Convection (20
sec.)
1KV (Note 2)
200V (Note 6)
+/−Supply Voltage
5.5V
V⁺ +0.1V, V^− −0.1V
235˚C
Wave Soldering (10 sec.)
Storage Temperature Range
Junction Temperature (Note 4)
Operating Ratings (Note 1)
Supply Voltage V⁺
Junction Temperature Range (Note
3)
Package Thermal Resisance (Note 3)
SOT23-5
SC-70
260˚C
−65˚C to +150˚C
+150˚C
1.8V to 5.0V
−40˚C to +85˚C
325˚C/W
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
Limits
(Note 4) (Note 5)
Units
V_OS
Input Offset Voltage
0.3
6
mV
8
max
TC V_OS
I_B
I_OS
I_S
Input Offset Average Drift
Input Bias Current
Input Offset Current
Supply Current
V_CM = 0.9V (Note 7)
10
uV/C
14
nA
200
pA
11
15
µA
17
max
I_SC
Output Short Circuit Current
I_LEAKAGE Output Leakage Current
Sourcing, V_O = 0.9V
(LMV7251 only)
Sinking, V_O = 0.9V
V_O = 1.8V
(LMV7255 only)
8
4
mA
min
11.6
5
300
pA
V_OH
Output Voltage High
I_O = 1.5mA
(LMV7251 only)
1.72
1.675
V
min
V_OL
Output Voltage Low
V_CM
Input Common Voltage Range
I_O = −1.5mA
CMRR > 45 dB
65
125
mV
max
1.9
V
max
CMRR
PSRR
Common Mode Rejection Ratio
Power Supply Rejection Ratio
0 < V_CM < 1.8V
V⁺ = 1.8V to 5V
−0.1
V
min
72
47
dB
min
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, V_O = V⁺/2. Boldface limits
apply at the temperature extremes.
Symbol
Parameter
Condition
Typ
Limits
(Note 5) (Note 6)
Units
t_PHL
Propagation Delay
(High to Low)
Input Overdrive = 20mV
720
ns
Load = 50pF//5kΩ
Input Overdrive = 50mV
380
ns
Load = 50pF//5kΩ
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