LMV7291MGXNOPB datasheet(3/23 Pages) TI1

Part #	LMV7291MGXNOPB

Description	Single 1.8V Low Power Comparator with Rail-to-Rail Input

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Manufacturer	TI1 [Texas Instruments]

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LMV7291

www.ti.com

SNOSA86E – FEBRUARY 2004 – REVISED MARCH 2013

1.8V Electrical Characteristics

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

+ = 1.8V, V− = 0V. Boldface limits apply at the temperature

extremes.

(1)

Symbol

Parameter

Condition

Min(2)

Typ(3)

Max(2)

Units

VOS

Input Offset Voltage

0.3

4

mV

6

TC VOS

Input Offset Temperature Drift

VCM = 0.9V

(4)

10

uV/C

IB

Input Bias Current

10

nA

IOS

Input Offset Current

200

pA

IS

Supply Current

LMV7291

9

12

µA

14

ISC

Output Short Circuit Current

Sourcing, VO = 0.9V

3.5

6

mA

Sinking, VO = 0.9V

4

6

VOH

Output Voltage High

IO = 0.5mA

1.7

1.74

V

IO = 1.5mA

1.58

1.63

VOL

Output Voltage Low

IO = −0.5mA

52

70

mV

IO = −1.5mA

166

220

VCM

Input Common Mode Voltage Range

CMRR > 45 dB

1.9

V

−0.1

V

CMRR

Common Mode Rejection Ratio

0 < VCM < 1.8V

47

78

dB

PSRR

Power Supply Rejection Ratio

V+ = 1.8V to 5V

55

80

dB

ILEAKAGE

Output Leakage Current

VO = 1.8V

2

pA

(1)

Electrical Table values apply only for factory testing conditions at the temperature indicated. Factory testing conditions result in very

limited self-heating of the device such that TJ = TA. No ensured specification of parametric performance is indicated in the electrical

tables under conditions of internal self heating where TJ > TA. Absolute Maximum Ratings indicate junction temperature limits beyond

which the device may be permanently degraded, either mechanically or electrically.

(2)

All limits are specified by testing or statistical analysis.

(3)

Typical values represent the most likely parametric norm.

(4)

Offset Voltage average drift determined by dividing the change in VOS at temperature extremes into the total temperature change.

1.8V AC Electrical Characteristics

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

+ = 1.8V, V− = 0V, V

CM = 0.5V, VO = V

+/2 and R

L > 1MΩ to V

−.

Boldface limits apply at the temperature extremes.

(1)

Symbol

Parameter

Condition

Min(2)

Typ(3)

Max(2)

Units

tPHL

Propagation Delay

Input Overdrive = 20mV

880

ns

(High to Low)

Load = 50pF//5k

Ω

Input Overdrive = 50mV

570

ns

Load = 50pF//5k

Ω

tPLH

Propagation Delay

Input Overdrive = 20mV

1100

ns

(Low to High)

Load = 50pF//5k

Ω

Input Overdrive = 50mV

800

ns

Load = 50pF//5k

Ω

(1)

Electrical Table values apply only for factory testing conditions at the temperature indicated. Factory testing conditions result in very

limited self-heating of the device such that TJ = TA. No ensured specification of parametric performance is indicated in the electrical

tables under conditions of internal self heating where TJ > TA. Absolute Maximum Ratings indicate junction temperature limits beyond

which the device may be permanently degraded, either mechanically or electrically.

(2)

All limits are specified by testing or statistical analysis.

(3)

Typical values represent the most likely parametric norm.

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