LMV982-N datasheet(7/28 Pages) TI1

Part #	LMV982-N

Description	Dual 1.8V, RRIO Operational Amplifiers

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LMV981-N, LMV982-N

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SNOS976L – NOVEMBER 2001 – REVISED MARCH 2013

5V DC Electrical Characteristics (continued)

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

+ = 5V, V − = 0V, V

CM = V

+/2, V

O = V

+/2, R

L > 1 MΩ and SHDN

tied to V

+. Boldface limits apply at the temperature extremes. See (1).

Parameter

Test Conditions

Min (2)

Typ (3)

Max (2)

Units

PSRR

Power Supply Rejection Ratio

1.8V

≤ V+ ≤ 5V

75

100

dB

VCM = 0.5V

70

CMVR

Input Common-Mode Voltage

For CMRR

TA = 25°C

V−

−0.2

−0.2 to 5.3

V+ +0.2

Range

≥ 50dB

TA = −40°C to 85°C

V−

V+

V

TA = 125°C

V− +0.3

V+

−0.3

AV

Large Signal Voltage Gain

RL = 600Ω to 2.5V,

88

102

(LMV981-N Single)

VO = 0.2V to 4.8V

87

dB

RL = 2kΩ to 2.5V,

94

113

VO = 0.2V to 4.8V

93

Large Signal Voltage Gain

RL = 600Ω to 2.5V,

81

90

LMV982 (Dual)

VO = 0.2V to 4.8V

78

dB

RL = 2kΩ to 2.5V,

85

100

VO = 0.2V to 4.8V

82

VO

Output Swing

RL = 600Ω to 2.5V

4.855

4.890

VIN = ±100mV

(4)

4.835

0.120

0.160

0.180

V

RL = 2kΩ to 2.5V

4.945

4.967

VIN = ±100mV

4.935

0.037

0.065

0.075

IO

Output Short Circuit Current

LMV981-N, Sourcing, VO = 0V

80

100

(5)

VIN = 100mV

68

mA

Sinking, VO = 5V

58

65

VIN = −100mV

45

Ton

Turn-on Time from Shutdown

8.4

μs

VSHDN

Turn-on Voltage to enable part

4.2

V

Turn-off Voltage

0.8

(5)

Applies to both single-supply and split-supply operation. Continuous short circuit operation at elevated ambient temperature can result in

exceeding the maximum allowed junction temperature of 150°C. Output currents in excess of 45mA over long term may adversely affect

reliability.

5V AC Electrical Characteristics

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

+ = 5V, V − = 0V, V

CM = V

+/2, V

O = 2.5V, R L > 1 MΩ and SHDN

tied to V

+.Boldface limits apply at the temperature extremes. See (1).

Parameter

Test Conditions

Min (2)

Typ (3)

Max (2)

Units

SR

Slew Rate

(4)

0.42

V/µs

GBW

Gain-Bandwidth Product

1.5

MHz

Φm

Phase Margin

71

deg

Gm

Gain Margin

8

dB

en

Input-Referred Voltage Noise

f = 10 kHz, VCM = 1V

50

nV/

√Hz

in

Input-Referred Current Noise

f = 10 kHz

0.08

pA/

√Hz

(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. See Application Note section for information on temperature derating of

this device. Absolute Maximum Ratings indicated 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 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 ensured on shipped

production material.

(4)

Connected as voltage follower with input step from V− to V+. Number specified is the slower of the positive and negative slew rates.

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