LMC7211AIMX datasheet(3/13 Pages) NSC

Part #	LMC7211AIMX

Description	Tiny CMOS Comparator with Rail-to-Rail Input and Push-Pull Output

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Manufacturer	NSC [National Semiconductor (TI)]

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5.0V and 15.0V Electrical Characteristics (Continued)

Unless otherwise specified, all limits guaranteed for T

J = 25˚C, V

+ = 5.0V and 15V, V− = 0V, V

CM = VO = V

+/2. Boldface lim-

its apply at the temperature extremes.

Typ

LMC7211AI

LMC7211BI

Symbol

Parameter

Conditions

(Note 5)

Limit

Units

(Note 6)

TCV

OS

Input Offset Voltage

V

+ = 5V

1.0

µV/˚C

Temperature Drift

V

+ = 15V

4.0

Input Offset Voltage

V

+ = 5V

3.3

µV/Month

Average Drift

V

+ = 15V

4.0

I

B

Input Current

0.04

pA

I

OS

Input Offset Current

0.02

pA

CMRR

Common Mode

V+ = 5.0V

75

dB

Rejection Ration

V+ = 15.0V

82

dB

PSRR

Power Supply

5V

≤ V+ ≤ 10V

80

dB

Rejection Ratio

A

V

Voltage Gain

100

dB

CMVR

Input Common-Mode

V+ = 5.0V

5.3

5.2

V

Voltage Range

CMRR > 55 dB

5.0

min

V+ = 5.0V

−0.3

−0.2

V

CMRR > 55 dB

0.0

max

V+ = 15.0V

15.3

15.2

V

CMRR > 55 dB

15.0

min

V+ = 15.0V

−0.3

−0.2

V

CMRR > 55 dB

0.0

max

V

OH

Output Voltage High

V+ = 5V

4.8

4.6

mV

I

load = 5mA

4.45

min

V+ = 15V

14.8

14.6

mV

I

load = 5mA

14.45

min

V

OL

Output Voltage Low

V+ = 5V

0.2

0.40

mV

I

load = 5mA

0.55

max

V+ = 15V

0.2

0.40

mV

I

load = 5mA

0.55

max

I

S

Supply Current

V

OUT = Low

7

14

µA

18

max

I

SC

Short Circuit Current

Sourcing

30

mA

Sinking (Note 8)

45

mA

AC Electrical Characteristics

Unless otherwise specified, all limits guaranteed for T

J = 25˚C, V

+ = 5V, V− = 0V, V

CM = VO = V

+/2. Boldface limits apply at

the temperature extreme.

Typ

LMC7211AI

LMC7211BI

Symbol

Parameter

Conditions

(Note 5)

Limit

Units

(Note 6)

t

rise

Rise Time

f = 10 kHz, Cl = 50 pF,

0.3

µs

Overdrive = 10 mV (Note 9)

t

fall

Fall Time

f = 10 kHz, Cl = 50 pF,

0.3

µs

Overdrive = 10 mV (Note 9)

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