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National Semiconductor Electronic Components Datasheet

LMV841 Datasheet

Wide Supply Range Operational Amplifier

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December 2006
LMV841
CMOS Input, RRIO, Wide Supply Range Operational
Amplifier
General Description
The LMV841 is a low-voltage and low-power operational am-
plifier that operates from supply voltages from 2.7V to 12V
and has rail-to-rail input and output capability.
The LMV841 is a low offset voltage and low supply current
amplifier with MOS inputs, characteristics that make the
LMV841 ideal for sensor interface and battery powered ap-
plications.
The LMV841 is offered in the space saving 5-Pin SC70 pack-
age. This small package is an ideal solution for area con-
strained PC boards and portable electronics.
Features
Unless otherwise noted, typical values at TA = 25°C, V+ = 5V
Space saving 5-Pin SC70 package
Supply voltage range 2.7V to 12V
Guaranteed at 3.3V, 5V and ±5V
Low supply current
1 mA
Unity gain bandwidth
4.5 MHz
Open loop gain
100 dB
Input offset voltage
500 μV max
Input bias current
0.3 pA
CMRR
100 dB
Input voltage noise
20 nV/
Temperature range
–40°C to 125°C
Rail-to-rail input
Rail-to-rail output
Applications
High impedance sensor interface
Battery powered instrumentation
High gain amplifiers
DAC buffer
Instrumentation amplifiers
Active Filters
Typical Application
Active Band-pass Filter
20168372
© 2006 National Semiconductor Corporation 201683
www.national.com


National Semiconductor Electronic Components Datasheet

LMV841 Datasheet

Wide Supply Range Operational Amplifier

No Preview Available !

Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
ESD Tolerance (Note 2)
Human Body Model
Machine Model
VIN Differential
Supply Voltage (V+ – V-)
Voltage at Input/Output Pins
Input Current
2 kV
200V
±300 mV
13.2V
V++0.3V, V−0.3V
10 mA
Storage Temperature Range
Junction Temperature (Note 3)
Soldering Information
Infrared or Convection (20 sec)
Wave Soldering Lead Temp. (10 sec)
−65°C to +150°C
+150°C
235°C
260°C
Operating Ratings (Note 1)
Temperature Range (Note 3)
−40°C to +125°C
Supply Voltage (V+ – V)
2.7V to 12V
Package Thermal Resistance (θJA (Note 3))
5-Pin SC70
334 °C/W
3.3V Electrical Characteristics (Note 4)
Unless otherwise specified, all limits are guaranteed for at TA = 25°C, V+ = 3.3V, V= 0V, VCM = V+/2, and RL > 10 Mto V+/2.
Boldface limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Min Typ Max
(Note 6) (Note 5) (Note 6)
Units
VOS Input Offset Voltage
8 ±500
±800
μV
TCVOS
IB
Input Offset Voltage Drift (Note 7)
Input Bias Current
(Notes 7, 8)
0.5 ±5 μV/°C
0.3 10 pA
300
IOS
CMRR
Input Offset Current
Common Mode Rejection Ratio
0V VCM 3.3V
40
84 100
80
fA
dB
PSRR Power Supply Rejection Ratio
2.7V V+ 12V, VO = V+/2
86 100
82
dB
CMVR Input Common-Mode Voltage Range CMRR 50 dB
–0.1 3.4 V
AVOL
Large Signal Voltage Gain
VO Output Swing High,
measured from V+
RL = 2 k
VO = 0.3V to 3.0V
RL = 10 k
VO = 0.2V to 3.1V
RL = 2 kto V+/2
RL = 10 kto V+/2
100 118
96
100 129
96
dB
50 80
120
mV
25 40
60
Output Swing Low,
measured from V-
RL = 2 kto V+/2
RL = 10 kto V+/2
50 70
90
mV
23 45
55
IO Output Short Circuit Current
(Notes 3, 9)
IS Supply Current
Sourcing VO = V+/2
VIN = 100 mV
Sinking VO = V+/2
VIN = −100 mV
25 30
20
25 30
20
mA
0.98 1.2
2
mA
SR Slew Rate (Note 10)
AV = +1, VO = 2.3 VPP
10% to 90%
2.5 V/μs
GBW
Gain Bandwidth Product
4.5 MHz
Φm Phase Margin
en Input-Referred Voltage Noise
f = 1 kHz
67 Deg
20 nV/
ROUT
Open Loop Output Impedance
f = 3 MHz
70 Ω
www.national.com
2


Part Number LMV841
Description Wide Supply Range Operational Amplifier
Maker National Semiconductor
Total Page 16 Pages
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