LMV981 datasheet(4/21 Pages) ONSEMI

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LMV981, LMV982

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1.8 V DC ELECTRICAL CHARACTERISTICS Unless otherwise noted, all min/max limits are guaranteed for TA = 25°C,

V+ = 1.8 V, V− = 0 V, VCM = V+/2, VO = V+/2 and RL > 1 MW. Typical specifications represent the most likely parametric norm.

Parameter

Unit

Max

Typ

Min

Condition

Symbol

Output Short Circuit

Current

Sourcing, Vo = 0 V, VIN = +100 mV

4.0

−40°C to +125°C

3.3

Sinking, Vo = 1.8V, VIN = −100 mV

7.0

−40°C to +125°C

5.0

Shutdown Enable

Control

VSHDN

Turn−on Voltage to Enable Device

1.0

Turn−off Voltage to Shutdown Device

0.55

2. Guaranteed by design and/or characterization.

1.8V AC ELECTRICAL CHARACTERISTICS Unless otherwise specified, all limits are guaranteed for TA = 25°C, V+ = 1.8 V,

V− = 0 V, VCM = 2.0 V,Vo = V+/2 and RL > 1 MW. Typical specifications represent the most likely parametric norm. Min/Max

specifications are guaranteed by testing, characterization, or statistical analysis.

Parameter

Symbol

Condition

Min

Typ

Max

Unit

Slew Rate

(Note 3)

0.35

V/mS

Gain Bandwidth

Product

GBWP

1.4

MHz

Phase Margin

Gain Margin

Input−Referred

Voltage Noise

f = 50 kHz, VCM = 0.5 V

nV/√Hz

Total Harmonic

Distortion

THD

f = 1 kHz, AV = +1, RL = 600 W, VO = 1 VPP

0.023

Amplifier−to−Amplifier

Isolation

(Note 4)

123

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

4. Input referred, RL = 100 kW connected to V+/2. Each amp excited in turn with 1 kHz to produce VO = 3 VPP. (For Supply Voltages < 3 V,

VO = V+).

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