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LMV771 Datasheet

Single/Dual/Quad / Low Offset / Low Noise / RRO Operational Amplifiers

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November 2003
LMV771/LMV772/LMV774
Single/Dual/Quad, Low Offset, Low Noise, RRO
Operational Amplifiers
General Description
The LMV771/LMV772/LMV774 are Single, Dual, and Quad
low noise precision operational amplifiers intended for use in
a wide range of applications. Other important characteristics
of the family include extended operating temperature range,
−40˚C to 125˚C, tiny SC70-5 package for LMV771, and low
input bias current.
The extended temperature range of −40˚C to 125˚C allows
the LMV771/LMV772/LMV774 to accommodate a broad
range of applications. LMV771 expands National Semicon-
ductor’s Silicon Dustamplifier portfolio offering enhance-
ments in size, speed, and power savings. The LMV771/
LMV772/LMV774 are guaranteed to operate over the
voltage range of 2.7V to 5.0V and all have rail-to-rail output.
The LMV771/LMV772/LMV774 family is designed for preci-
sion, low noise, low voltage, and miniature systems. These
amplifiers provide rail-to-rail output swing into heavy loads.
The maximum input offset voltage for LMV771 is 850 µV at
room temperature and the input common mode voltage
range includes ground.
The LMV771 is offered in the tiny SC70-5 package, LMV772
in space saving MSOP-8 and SOIC-8, and the LMV774 in
TSSOP-14.
Features
(Typical 2.7V Supply Values; Unless Otherwise Noted)
n Guaranteed 2.7V and 5V specifications
n Maximum VOS (LMV771)
n Voltage Noise
— f = 100Hz
850µV (limit)
12.5nV/
— f = 10kHz
7.5nV/
n Rail-to-Rail output swing
— w/600load
— w/2kload
100mV from rail
50mV from rail
n Open loop gain w/2kload
n VCM
n Supply current (per amplifier)
100dB
0 to V+ -0.9V
550µA
n Gain bandwidth product
3.5MHz
n Temperature range
−40˚C to 125˚C
Applications
n Transducer amplifier
n Instrumentation amplifier
n Precision current sensing
n Data acquisition systems
n Active filters and buffers
n Sample and hold
n Portable/battery powered electronics
Connection Diagram
SC70-5
Instrumentation Amplifier
Top View
20039667
© 2003 National Semiconductor Corporation DS200396
20039636
www.national.com


National Semiconductor Electronic Components Datasheet

LMV771 Datasheet

Single/Dual/Quad / Low Offset / Low Noise / RRO Operational Amplifiers

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)
Machine Model
Human Body Model
Differential Input Voltage
Supply Voltage (V+–V )
Output Short Circuit to V+
Output Short Circuit to V
Mounting Temperture
Infrared or Convection (20 sec)
Wave Soldering Lead Temp (10
sec)
200V
2000V
± Supply Voltage
5.5V
(Note 3)
(Note 4)
235˚C
260˚C
Storage Temperature Range
Junction Temperature (Note 5)
−65˚C to 150˚C
150˚C
Operating Ratings (Note 1)
Supply Voltage
Temperature Range
Thermal Resistance (θJA)
SC70-5 Package
8-Pin MSOP
8-Pin SOIC
14-Pin TSSOP
2.7V to 5.5V
−40˚C to 125˚C
440 ˚C/W
235˚C/W
190˚C/W
155˚C/W
2.7V DC Electrical Characteristics (Note 13)
Unless otherwise specified, all limits guaranteed for TJ = 25˚C. V+ = 2.7V, V = 0V, VCM = V+/2, VO = V+/2 and
RL > 1M. Boldface limits apply at the temperature extremes.
Symbol
Parameter
Condition
Min Typ Max
(Note 7) (Note 6) (Note 7)
VOS Input Offset Voltage
LMV771
0.3 0.85
1.0
LMV772/LMV774
0.3 1.0
1.2
TCVOS
Input Offset Voltage Average
Drift
−0.45
IB Input Bias Current (Note 8)
IOS Input Offset Current (Note 8)
IS Supply Current (Per Amplifier)
−0.1
0.004
550
100
100
900
910
CMRR
Common Mode Rejection Ratio 0.5 VCM 1.2V
74 80
72
PSSR
Power Supply Rejection Ratio 2.7V V+ 5V
82 90
76
VCM
Input Common-Mode Voltage
For CMRR 50dB
Range
0
1.8
AV
Large Signal Voltage Gain
RL = 600to 1.35V,
92 100
(Note 9)
VO = 0.2V to 2.5V, (Note 10)
80
RL = 2kto 1.35V,
98 100
VO = 0.2V to 2.5V, (Note 11)
86
VO Output Swing
RL = 600to 1.35V
VIN = ± 100mV, (Note 10)
0.11
0.14
0.084 to
2.62
2.59
2.56
RL = 2kto 1.35V
VIN = ± 100mV, (Note 11)
0.05
0.06
0.026 to
2.68
2.65
2.64
IO
Output Short Circuit Current
Sourcing, VO = 0V
18 24
VIN = 100mV
11
Sinking, VO = 2.7V
18 22
VIN = −100mV
11
Units
mV
µV/˚C
pA
pA
µA
dB
dB
V
dB
V
mA
www.national.com
2


Part Number LMV771
Description Single/Dual/Quad / Low Offset / Low Noise / RRO Operational Amplifiers
Maker National Semiconductor
Total Page 21 Pages
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