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LPV321 Datasheet, PDF (4/21 Pages) National Semiconductor (TI) – General Purpose, Low Voltage, Low Power, Rail-to-Rail Output Operational Amplifiers
2.7V AC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for T J = 25˚C, V+ = 2.7V, V− = 0V, VCM = 1.0V, VO = V+/2 and R L > 1 MΩ.
Symbol
Parameter
Conditions
Typ
(Note 6)
Limit
(Note 7)
Units
GBWP Gain-Bandwidth Product
CL = 22 pF
112
KHz
Φm
Phase Margin
97
Deg
Gm
Gain Margin
35
dB
en
Input-Referred Voltage Noise f = 1 kHz
178
in
Input-Referred Current Noise f = 1 kHz
0.50
5V DC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for T J = 25˚C, V+ = 5V, V− = 0V, VCM = 2.0V, VO = V+/2 and R L > 1 MΩ.
Boldface limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Typ
(Note 6)
Limit
(Note 7)
Units
VOS
Input Offset Voltage
1.5
7
mV
10
max
TCVOS
Input Offset Voltage Average
Drift
2
µV/˚C
IB
Input Bias Current
2
50
nA
60
max
IOS
Input Offset Current
0.6
40
nA
50
max
CMRR
PSRR
VCM
Common Mode Rejection Ratio 0V ≤ VCM ≤ 4V
Power Supply Rejection Ratio
Input Common-Mode Voltage
Range
2.7V ≤ V+ ≤ 5V
VO = 1V, VCM = 1V
For CMRR ≥ 50dB
71
65
−0.2
50
dB
min
50
dB
min
0
V
min
4.2
4
V
max
AV
Large Signal Voltage Gain
RL = 100kΩ
(Note 8)
VO
Output Swing
RL = 100kΩ to 2.5V
100
V+ −3.5
15
10
V+ −100
V+ −200
V/mV
min
mV
min
90
180
mV
220
max
IO
Output Short Circuit Current
Sourcing, VO = 0V
17
2
mA
min
Sinking, VO = 5V
72
20
mA
min
IS
Supply Current
LPV321
9
12
µA
15
max
LPV358
Both amplifiers
15
20
µA
24
max
LPV324
All four amplifiers
28
42
µA
46
max
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