LMV791 Datasheet, PDF (1/16 Pages) National Semiconductor (TI) – 17 MHz, Low Noise, CMOS Input, 1.8V Operational Amplifier

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
5.5V 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
−40^oC to 125^oC
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