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LMV921 数据表(PDF) 9 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 LMV921
功能描述  1.8V RR I/O Op Amp
PDF  42 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LMV921 数据表(HTML) 9 Page - National Semiconductor (TI)

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LMV921 Qualification Package
2.0 DEVICE INFORMATION
1.8V AC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for T
J = 25˚C. V
+ = 1.8V, V − = 0V, V
CM =V
+/2, V
O =V
+/2 and
R
L > 1MΩ. Boldface limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Typ
(Note 5)
Units
SR
Slew Rate
(Note 7)
0.39
V/µs
GBW
Gain-Bandwidth Product
1
MHz
Φ
m
Phase Margin
60
Deg.
G
m
Gain Margin
10
dB
e
n
Input-Referred Voltage Noise
f = 1 kHz, V
CM = 0.5V
45
i
n
Input-Referred Current Noise
f = 1 kHz
0.1
THD
Total Harmonic Distortion
f = 1kHz, A
V = +1
R
L = 600kΩ,VIN = 1VPP
0.089
%
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 and
R
L > 1MΩ. Boldface limits apply at the temperature extremes.
Symbol
Parameter
Condition
Typ
(Note 5)
Limits
(Note 6)
Units
V
OS
Input Offset Voltage
−1.6
6
8
mV
max
TCV
OS
Input Offset Voltage Average
Drift
1
µV/˚C
I
B
Input Bias Current
12
35
50
nA
max
I
OS
Input Offset Current
2
25
40
nA
max
I
S
Supply Current
147
190
210
uA
max
CMRR
Common Mode Rejection Ratio
0V
≤ V
CM ≤ 1.5V
84
62
60
dB
min
−0.2V
≤ V
CM ≤ 0V
2.7V
≤ V
CM < 2.9V
73
50
PSRR
Power Supply Rejection Ratio
1.8V
≤ V+ ≤ 5V,
V
CM = 0.5V
78
67
62
dB
min
V
CM
Input Common-Mode Voltage
Range
For CMRR
≥ 50dB
-0.3
-0.2
0
V
min
3.050
2.9
2.7
V
max
A
V
Large Signal Voltage Gain
R
L = 600Ω to 1.35V,
V
O = 0.2V to 2.5V
98
80
75
dB
min
R
L =2kΩ to 1.35V,
V
O = 0.2V to 2.5V
103
83
77
dB
min
V
O
Output Swing
R
L = 600Ω to 1.35V
V
IN = ± 100mV
2.62
2.6
2.580
V
min
0.075
0.095
0.115
V
max
R
L =2kΩ to 1.35V
V
IN = ± 100mV
2.675
2.660
2.650
V
min
0.025
0.040
0.045
V
max
www.national.com
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