LMV981MFX datasheet(4/18 Pages) NSC

Part #	LMV981MFX

Description	1.8V, RRIO Operational Amplifiers with Shutdown

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Manufacturer	NSC [National Semiconductor (TI)]

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2.7V DC Electrical Characteristics

Unless otherwise specified, all limits guaranteed for T

J = 25˚C. V

+ = 2.7V, V − = 0V, V

CM =V

+/2, V

O =V

+/2,

R

L > 1M

Ω and SHDN tied to V+. Boldface limits apply at the temperature extremes. See (Note 10).

Symbol

Parameter

Condition

Min

(Note 6)

Typ

(Note 5)

Max

(Note 6)

Units

V

OS

Input Offset Voltage

LMV981 (Single)

1

4

6

mV

LMV982 (Dual)

1

6

7.5

mV

TCV

OS

Input Offset Voltage Average

Drift

5.5

µV/˚C

I

B

Input Bias Current

15

35

50

nA

I

OS

Input Offset Current

8

25

40

nA

I

S

Supply Current (per channel)

105

190

210

µA

In Shutdown

LMV981 (Single)

0.061

1

2

LMV982 (Dual)

0.101

3.5

5

CMRR

Common Mode Rejection

Ratio

LMV981, 0

≤ V

CM

≤ 1.5V

2.3V

≤ V

CM

≤ 2.7V (Note 8)

60

55

81

dB

LMV982, 0

≤ V

CM

≤ 1.5V

2.3V

≤ V

CM

≤ 2.7V (Note 8)

55

50

80

−0.2V

≤ V

CM

≤ 0V

2.7V

≤ V

CM

≤ 2.9V

50

74

PSRR

Power Supply Rejection

Ratio

1.8V

≤ V+ ≤ 5V

V

CM = 0.5V

75

70

100

dB

CMVR

Input Common-Mode Voltage

Range

For CMRR

Range

≥ 50dB

T

A = 25˚C

V

− −0.2

−0.2 to 3.0

V

++0.2

V

T

A = −40˚C to

85˚C

V

−

V

+

T

A = 125˚C

V

− +0.2

V

+−0.2

A

V

Large Signal Voltage Gain

LMV981(Single)

R

L = 600

Ω to 1.35V,

V

O = 0.2V to 2.5V

87

86

104

dB

R

L =2k

Ω to 1.35V,

V

O = 0.2V to 2.5V

92

91

110

Large Signal Voltage Gain

LMV982 (Dual)

R

L = 600

Ω to 1.35V,

V

O = 0.2V to 2.5V

78

75

90

R

L =2k

Ω to 1.35V,

V

O = 0.2V to 2.5V

81

78

100

V

O

Output Swing

R

L = 600

Ω to 1.35V

V

IN = ±100mV

2.55

2.53

2.62

V

0.083

0.110

0.130

R

L =2k

Ω to 1.35V

V

IN = ±100mV

2.65

2.64

2.675

0.025

0.04

0.045

I

O

Output Short Circuit Current

Sourcing, V

O =0V

V

IN = 100mV

20

15

30

mA

Sinking, V

O =0V

V

IN = −100mV

18

12

25

Ton

Turn-on Time from Shutdown

12.5

µs

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