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LMV981_15 Datasheet, PDF (8/21 Pages) Texas Instruments – LMV981 SINGLE, LMV982 DUAL 1.8-V OPERATIONAL AMPLIFIERS WITH RAIL-TO-RAIL INPUT AND OUTPUT AND SHUTDOWN | |||
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LMV981, LMV982
5V DC ELECTRICAL CHARACTERISTICS Unless otherwise noted, all min/max limits are guaranteed for TA = 25°C, V+ = 5 V,
Vâ = 0 V, VCM = V+/2, VO = V+/2 and RL > 1 MW. Typical specifications represent the most likely parametric norm.
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Output ShortâCircuit
IO
Sourcing, Vo = 0 V, VIN = +100 mV
40
60
mA
Current
â40°C to +125°C
40
Sinking, Vo = 5 V, VIN = â100 mV
â40°C to +125°C
45
65
45
Shutdown Enable
Control
VSHDN
Turnâon Voltage to Enable Device
Turnâoff Voltage to Shutdown Device
4.2
V
0.55
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
8. Guaranteed by design and/or characterization.
5V AC ELECTRICAL CHARACTERISTICS Unless otherwise specified, all limits are guaranteed for TA = 25°C, V+ = 5 V, Vâ =
0 V, VCM = 2.0 V,Vo = V+/2 and RL > 1 MW. Typical specifications represent the most likely parametric norm.
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Slew Rate
SR
(Note 9)
0.48
V/uS
Gain Bandwidth
Product
GBWP
1.5
MHz
Phase Margin
Qm
65
°
Gain Margin
Gm
8
dB
InputâReferred
en
Voltage Noise
f = 50 kHz, VCM = 2 V
50
nV/âHz
Total Harmonic
Distortion
THD
f = 1 kHz, AV = +1, RL = 600 W, VO = 1 VPP
0.022
%
Amplifierâtoâ
Amplifier Isolation
(Note 10)
123
dB
9. Connected as voltage follower with input step from Vâ to V+. Number specified is the slower of the positive and negative slew rates.
10. 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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