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LMV792 Datasheet

1.8V Operational Amplifier

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November 2005
LMV791/LMV792
17 MHz, Low Noise, CMOS Input, 1.8V Operational
Amplifiers
General Description
The LMV791 (Single) and the LMV792 (Dual) low noise,
CMOS input operational amplifiers offer a low input voltage
noise density of 5.8 nV/
while consuming only 1.15 mA
(LMV791) of quiescent current. The LMV791 and LMV792
are unity gain stable op amps and have gain bandwidth of 17
www.DataSheet4U.cMoHmz. The LMV791/ LMV792 have a supply voltage range of
1.8V to 5.5V and can operate from a single supply. The
LMV791/LMV792 each feature a rail-to-rail output stage ca-
pable of driving a 600load and sourcing as much as 60 mA
of current.
The LMV791 family provides optimal performance in low
voltage and low noise systems. A CMOS input stage, with
typical input bias currents in the range of a few femtoAm-
peres, and an input common mode voltage range which
includes ground make the LMV791 and the LMV792 ideal for
low power sensor applications. The LMV791 family has a
built-in enable feature which can be used to optimize power
dissipation in low power applications.
The LMV791/LMV792 are manufactured using National’s
advanced VIP50 process and are offered in a 6-pin TSOT23
and a 10-pin MSOP package respectively.
Features
(Typical 5V supply, unless otherwise noted)
n Input referred voltage noise
5.8 nV/
n Input bias current
100 fA
n Unity gain bandwidth
17 MHz
n Supply current per channel
— LMV791
1.15 mA
— LMV792
1.30 mA
n Rail-to-rail output swing
@ 10 kload
25 mV from rail
@ 2 kload
35 mV from rail
n Guaranteed 2.5V and 5.0V performance
n Total harmonic distortion
0.01% @1 kHz, 600
n Temperature range
−40˚C to 125˚C
Applications
n Photodiode amplifiers
n Active filters and buffers
n Low noise signal processing
n Medical Instrumentation
n Sensor interface applications
Typical Application
20116869
Photodiode Transimpedance Amplifier
20116839
Input Referred Voltage Noise vs. Frequency
© 2005 National Semiconductor Corporation DS201168
www.national.com


National Semiconductor Electronic Components Datasheet

LMV792 Datasheet

1.8V 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)
Input/Output Pin Voltage
Storage Temperature Range
Junction Temperature (Note 3)
2000V
200V
±0.3V
6.0V
V+ +0.3V, V−0.3V
−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)
−40˚C TA 125˚C
0˚C TA 125˚C
Package Thermal Resistance (θJA (Note 3))
6-Pin TSOT23
2.0V to 5.5V
1.8V to 5.5V
170˚C/W
10-Pin MSOP
236˚C/W
www.DataSheet4U.com
2.5V Electrical Characteristics
Unless otherwise specified, all limits are guaranteed for TA = 25˚C, V+ = 2.5V, V= 0V, VCM = V+/2 = VO, VEN = V+. Boldface
limits apply at the temperature extremes.
Symbol
Parameter
VOS Input Offset Voltage
TC VOS Input Offset Average Drift
IB Input Bias Current
IOS
CMRR
PSRR
Input Offset Current
Common Mode Rejection
Ratio
Power Supply Rejection
Ratio
CMVR
AVOL
Input Common-Mode Voltage
Range
Large Signal Voltage Gain
VOUT Output Swing High
Output Swing Low
Conditions
LMV791 (Note 6)
LMV792 (Note 6)
VCM = 1.0V
(Notes 7, 8)
−40˚C TA 85˚C
−40˚C TA 125˚C
(Note 8)
0V VCM 1.4V
2.0V V+ 5.5V, VCM = 0V
1.8V V+ 5.5V, VCM = 0V
CMRR 60 dB
CMRR 55 dB
VOUT = 0.15V to 2.2V,
RLOAD = 2 kto V+/2
LMV791
LMV792
VOUT = 0.15V to 2.2V,
RLOAD = 10 kto V+/2
RLOAD = 2 kto V+/2
RLOAD = 10 kto V+/2
RLOAD = 2 kto V+/2
RLOAD = 10 kto V+/2
Min
(Note 5)
80
75
80
75
80
−0.3
-0.3
85
80
82
78
88
84
Typ
(Note 4)
0.1
−1.0
−1.8
0.05
0.05
10
94
100
98
98
92
110
25
20
30
15
Max
(Note 5)
±1.35
±1.65
1
25
1
100
1.5
1.5
75
82
65
71
75
78
65
67
Units
mV
µV/˚C
pA
fA
dB
dB
V
dB
mV from
rail
www.national.com
2


Part Number LMV792
Description 1.8V Operational Amplifier
Maker National Semiconductor
Total Page 21 Pages
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