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PDF LMV791 Data sheet ( Hoja de datos )
| Número de pieza | LMV791 | |
| Descripción | 1.8V Operational Amplifier | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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September 2005
LMV791
17 MHz, Low Noise, CMOS Input, 1.8V Operational
Amplifier
General Description
The LMV791 low noise, CMOS input operational amplifier
offers a low input voltage noise density of 5.8 nV/
while
consuming only 1.15 mA of quiescent current. The LMV791
is a unity gain stable op amp and has a gain bandwidth of 17
MHz. The LMV791 has a supply voltage range of 1.8V to
www.DataSheet4U.c5o.5mV and can operate from a single supply. The LMV791
features a rail-to-rail output stage capable of driving a 600Ω
load and sourcing as much as 60 mA of current.
The LMV791 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 femtoAmperes, and
an input common mode voltage range which includes
ground make the LMV791 ideal for low power sensor appli-
cations. The LMV791 has a built-in enable feature which can
be used to optimize power dissipation in low power applica-
tions.
The LMV791 is manufactured using National’s advanced
VIP50 process and is available in a 6-pin TSOT23 package.
Features
(Typical 5V supply, unless otherwise noted)
n Input referred voltage noise
5.8 nV/
n Input bias current
0.1 pA
n Unity gain bandwidth
17 MHz
n Supply current
1.15 mA
n Guaranteed 2.5V and 5.0V performance
n Rail-to-rail output swing
— @ 10 kΩ load
— @ 2 kΩ load
25 mV from rail
35 mV from rail
n Total harmonic distortion
n Temperature range
0.01% @1 kHz, 600Ω
−40oC to 125oC
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
1 page  
Typical Performance Characteristics Unless otherwise specified, TA = 25˚C, V–=0, V+ = Supply
Voltage = 5V, VCM = V+/2, VEN = V+
Supply Current vs. Supply Voltage
Supply Current vs. Supply Voltage in Shutdown Mode
www.DataSheet4U.com
VOS vs. VCM
20116805
VOS vs. VCM
20116806
VOS vs. VCM
20116809
VOS vs. Supply Voltage
20116851
20116811
5
20116812
www.national.com
5 Page 
Typical Performance Characteristics Unless otherwise specified, TA = 25˚C, V–=0, V+ = Supply
Voltage = 5V, VCM = V+/2, VEN = V+ (Continued)
Positive PSRR vs. Frequency
Negative PSRR vs. Frequency
www.DataSheet4U.com
CMRR vs. Frequency
20116827
20116828
20116856
11 www.national.com
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet LMV791.PDF ] | |
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