LMC7225IM5 datasheet(3/19 Pages) TI

Part #	LMC7225IM5

Description	Micro-Power, Rail-to-Rail CMOS Comparators with Push-Pull/Open-Drain Outputs

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Manufacturer	TI [Texas Instruments]

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LMC7215, LMC7225

www.ti.com

SNOS882E – SEPTEMBER 1999 – REVISED MARCH 2013

2.7V to 5V Electrical Characteristics (continued)

Unless otherwise specified, all limits specified for TJ = 25°C, V

+ = 2.7V to 5V, V− = 0V, V

CM = VO = V

+/2. Boldface limits apply

at the temperature extremes.

Symbol

Parameter

Conditions

LMC7215

LMC7225

Units

Typ (1)

Limit(2)

Power Supply

dB

PSRR

V+ = 2.2V to 8V

90

60

Rejection Ratio

min

AV

Voltage Gain

140

dB

V+ = 2.7V

3.0

2.9

V

CMRR > 50 dB

2.7

min

V+ = 2.7V

−0.2

0.0

V

CMRR > 50 dB

0.2

max

Input Common-Mode Voltage

CMVR

Range

V+ = 5.0V

5.3

5.2

V

CMRR > 50 dB

5.0

min

V+ = 5.0V

−0.3

−0.2

V

CMRR > 50 dB

0.0

max

V+ = 2.2V

2.05

1.8

NA

V

IOH = 1.5 mA

1.7

min

V+ = 2.7V

2.05

2.3

NA

V

VOH

Output Voltage High

IOH = 2.0 mA

2.2

min

V+ = 5.0V

4.8

4.6

NA

V

IOH = 4.0 mA

4.5

min

V+ = 2.2V

0.17

0.4

V

IOH = 1.5 mA

0.5

max

V+ = 2.7V

0.17

0.4

V

VOL

Output Voltage Low

IOH = 2.0 mA

0.5

max

V+ = 5.0V

0.2

0.4

V

IOH = 4.0 mA

0.5

max

ISC+

Output Short Circuit Current

V+ = 2.7V, Sourcing

15

NA

mA

(4)

V+ = 5.0V, Sourcing

50

NA

mA

Output Short Circuit Current

V+ = 2.7V, Sinking

12

mA

ISC−

(4)

V+ = 5.0V, Sinking

30

mA

V+ = 2.2V

nA

ILeakage

Output Leakage Current

VIN+ = 0.1V, VIN− = 0V,

0.01

NA

500

max

VOUT = 15V

V+ = 5.0V

0.7

1

μA

IS

Supply Current

VIN+ = 5V, VIN− = 0V

1.2

max

(4)

Do not short the output of the LMC7225 to voltages greater than 10V or damage may occur.

AC Electrical Characteristics

Unless otherwise specified, TJ = 25°C, V

+ = 5V, V− = 0V, V

CM = V

+/2

Symbol

Parameter

Conditions

LMC7215

LMC7225

Units

Typ(1)

Typ(1) (2)

trise

Rise Time

Overdrive = 10 mV (2)

1

12.2

μs

tfall

Fall Time

Overdrive = 10 mV (2)

0.4

0.35

μs

(1)

Typical values represent the most likely parametric norm as determined at the time of characterization. Actual typical values may vary

over time and will also depend on the application and configuration. The typical values are not tested and are not specified on shipped

production material.

(2)

All measurements made at 10 kHz. A 100 k

Ω pull-up resistor was used when measuring the LMC7225. CLOAD = 50 pF including the test

jig and scope probe. The rise times of the LMC7225 are a function of the R-C time constant.

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