LMC7221BIM5X datasheet(2/13 Pages) NSC

Part #	LMC7221BIM5X

Description	Tiny CMOS Comparator with Rail-To-Rail Input and Open Drain Output

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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 (Note 2)

2 kV

Differential Input Voltage

V

+ +0.3V, V− −0.3V

Voltage at Input

V

+ +0.3V, V− −0.3V

Voltage at Output Pin

15V

Supply Voltage (V

+–V−)

16V

Current at Input Pin (Note 6)

±5mA

Current at Output Pin

(Notes 3, 7)

±30 mA

Current at Power Supply Pin

40 mA

Lead Temperature (soldering,

10 sec.)

260˚C

Junction Temperature (Note 4)

150˚C

Operating Ratings (Note 1)

Supply Voltage

2.7

≤ V

CC

≤ 15V

Temperature Range (Note 4)

LMC7221AI, LMC7221BI

−40˚C to +85˚C

Thermal Resistance (

θ

JA)

8-Pin SOIC

180˚C/W

5-Pin SOT23

325˚C/W

2.7V Electrical Characteristics

Unless otherwise specified, all limits guaranteed for T

J = 25˚C, V

+ = 2.7V, V− = 0V, V

CM =VO =V

+/2. Boldface limits apply at

the temperature extremes.

Typ

LMC7221AI

LMC7221BI

Symbol

Parameter

Conditions

(Note 5)

Limit

Units

(Note 6)

V

OS

Input Offset Voltage

3

5

15

mV

818

max

TCV

OS

Input Offset Voltage

1.0

µV/˚C

Temperature Drift

Input Offset Voltage

(Note 9)

3.3

µV/Month

Average Drift

I

B

Input Current

0.04

pA

I

OS

Input Offset Current

0.02

pA

CMRR

Common Mode

0V

≤ V

CM

≤ 2.7V

75

dB

Rejection Ratio

PSRR

Power Supply

2.7V

≤ V+ ≤ 15V

80

dB

Rejection Ratio

A

V

Voltage Gain

100

dB

CMVR

Input Common-Mode

CMRR > 55 dB

3.0

2.9

V

Voltage Range

2.7

min

CMRR > 55 dB

−0.3

−0.2

V

0.0

max

V

OL

Output Voltage Low

I

LOAD = 2.5 mA

0.2

0.3

V

0.4

max

I

S

Supply Current

V

OUT = Low

7

12

µA

14

max

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LMC7221BIM5X Datasheet(PDF) 2 Page - National Semiconductor (TI)

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