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LMV921 Datasheet(PDF) 4 Page - Texas Instruments

Part # LMV921
Description  Single, Dual and Quad 1.8V, 1MHz, Low Power Operational Amplifiers
PDF  23 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LMV921 Datasheet(HTML) 4 Page - Texas Instruments

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OBSOLETE
LMV921, LMV922, LMV924
SNOS436H – AUGUST 2000 – REVISED APRIL 2013
www.ti.com
1.8V AC ELECTRICAL CHARACTERISTICS
Unless otherwise specified, all limits specified for TJ = 25°C. V
+ = 1.8V, V − = 0V, V
CM = V
+/2, V
O = V
+/2 and R
L > 1 MΩ.
Boldface limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Typ(1)
Units
SR
Slew Rate
See(2)
0.39
V/µs
GBW
Gain-Bandwidth Product
1
MHz
Φm
Phase Margin
60
Deg
Gm
Gain Margin
10
dB
en
Input-Referred Voltage Noise
f = 1 kHz, VCM = 0.5V
45
nV/
√Hz
in
Input-Referred Current Noise
f = 1 kHz
0.1
pA/
√Hz
THD
Total Harmonic Distortion
f = 1kHz, AV = +1
RL = 600kΩ, VIN = 1 VPP
0.089
%
Amp-to-Amp Isolation
See(3)
140
dB
(1)
Typical Values represent the most likely parametric norm.
(2)
V+ = 5V. Connected as voltage follower with 5V step input. Number specified is the slower of the positive and negative slew rates.
(3)
Input referred, V+ = 5V and RL = 100kΩ connected to 2.5V. Each amp excited in turn with 1kHz to produce VO = 3VPP.
2.7V DC ELECTRICAL CHARACTERISTICS
Unless otherwise specified, all limits specified for TJ = 25°C. V
+ = 2.7V, V − = 0V, V
CM = V
+/2, V
O = V
+/2 and R
L > 1 MΩ.
Boldface limits apply at the temperature extremes.
Symbol
Parameter
Condition
Typ(1)
Limits(2)
Units
VOS
Input Offset Voltage
LMV921 (Single)
−1.6
6
mV
8
max
LMV922 (Dual)
−1.6
8
mV
LMV924 (Quad)
9.5
max
TCVOS
Input Offset Voltage Average Drift
1
µV/°C
IB
Input Bias Current
12
35
nA
50
max
IOS
Input Offset Current
2
25
nA
40
max
IS
Supply Current
LMV921 (Single)
147
190
210
LMV922 (Dual)
380
450
uA
600
max
LMV924 (Quad)
580
750
900
CMRR
Common Mode Rejection Ratio
0V
≤ VCM ≤ 1.5V
84
62
60
dB
min
−0.2V ≤ VCM ≤ 0V
73
50
2.7V
≤ VCM < 2.9V
PSRR
Power Supply Rejection Ratio
1.8V
≤ V+ ≤ 5V,
78
67
dB
VCM = 0.5V
62
min
VCM
Input Common-Mode Voltage
For CMRR
≥ 50dB
-0.3
-0.2
V
Range
0
min
3.050
2.9
V
2.7
max
(1)
Typical Values represent the most likely parametric norm.
(2)
All limits are specified by testing or statistical analysis.
4
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Copyright © 2000–2013, Texas Instruments Incorporated
Product Folder Links: LMV921 LMV922 LMV924



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