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National Semiconductor Electronic Components Datasheet

LMV844 Datasheet

(LMV841 - LMV844) Wide Supply Range Operational Amplifiers

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October 2007
LMV841/LMV842/LMV844
CMOS Input, RRIO, Wide Supply Range Operational
Amplifiers
General Description
The LMV841/LMV842/LMV844 are low-voltage and low-pow-
er operational amplifiers that operate with supply voltages
ranging from 2.7V to 12V and have rail-to-rail input and output
capability. Their low offset voltage, low supply current, and
MOS inputs make them ideal for sensor interface and battery-
powered applications.
The single LMV841 is offered in the space-saving 5-Pin SC70
package, the dual LMV842 in the 8-Pin MSOP and 8-Pin
SOIC packages, and the quad LMV844 in the 14-Pin TSSOP
and 14-Pin SOIC packages. These small packages are ideal
solutions for area-constrained PC boards and portable elec-
tronics.
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 per channel
Unity gain bandwidth
4.5 MHz
Open loop gain
133 dB
Input offset voltage
500 μV max
Input bias current
0.3 pA
CMRR
112 dB
Input voltage noise
20 nV/Hz
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 Applications
© 2007 National Semiconductor Corporation 201683
20168301
www.national.com


National Semiconductor Electronic Components Datasheet

LMV844 Datasheet

(LMV841 - LMV844) Wide Supply Range Operational Amplifiers

No Preview Available !

www.DataShAeebt4Us.ocolmute 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
Storage Temperature Range
Junction Temperature (Note 3)
2 kV
200V
±300 mV
13.2V
V++0.3V, V−0.3V
10 mA
−65°C to +150°C
+150°C
Soldering Information
Infrared or Convection (20 sec)
Wave Soldering Lead Temp. (10 sec)
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
8-Pin MSOP
205 °C/W
8-Pin SOIC
126 °C/W
14-Pin TSSOP
110 °C/W
14-Pin SOIC
93 °C/W
3.3V Electrical Characteristics (Note 4)
Unless otherwise specified, all limits are guaranteed for 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
±50 ±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
300
pA
IOS
CMRR
Input Offset Current
Common Mode Rejection Ratio
LMV841
Common Mode Rejection Ratio
LMV842 and LMV844
0V VCM 3.3V
40
84 112
80
77 106
75
fA
dB
PSRR Power Supply Rejection Ratio
2.7V V+ 12V, VO = V+/2
86 108
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
100 123
96
100 131
96
dB
52 80
120
mV
28 50
70
Output Swing Low,
(measured from V)
RL = 2 kto V+/2
RL = 10 kto V+/2
65 100
120
mV
33 65
75
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
Per Channel
20 32
15
20 27
15
mA
0.93 1.5
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
www.national.com
2


Part Number LMV844
Description (LMV841 - LMV844) Wide Supply Range Operational Amplifiers
Maker National Semiconductor
Total Page 20 Pages
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