LMV7255M7 datasheet(2/11 Pages) NSC

Part #	LMV7255M7

Description	1.8V Low Voltage Comparator with Rail-to-Rail Input

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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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

Ω

720

ns

Input Overdrive = 50mV

Load = 50pF//5k

Ω

380

ns

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