LMV791

更新时间： 2024-09-26 21:54:47

品牌	Logo	应用领域
美国国家半导体 - NSC		运算放大器
页数	文件大小	规格书
16页	1001K
描述
17 MHz, Low Noise, CMOS Input, 1.8V Operational Amplifier

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LMV791 数据手册

September 2005

LMV791

17 MHz, Low Noise, CMOS Input, 1.8V Operational

Amplifier

General Description

Features

The LMV791 low noise, CMOS input operational amplifier

(Typical 5V supply, unless otherwise noted)

n Input referred voltage noise

n Input bias current

offers a low input voltage noise density of 5.8 nV/

while

5.8 nV/

0.1 pA

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.

n Unity gain bandwidth

n Supply current

n Guaranteed 2.5V and 5.0V performance

n Rail-to-rail output swing

17 MHz

1.15 mA

—

10 kΩ load

2 kΩ load

25 mV from rail

35 mV from rail

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-

n Total harmonic distortion

n Temperature range

0.01% 1 kHz, 600Ω

−40^oC to 125^oC

cations. The LMV791 has a built-in enable feature which can Applications

be used to optimize power dissipation in low power applica-

tions.

n Photodiode Amplifiers

n Active filters and buffers

n Low noise signal processing

n Medical Instrumentation

n Sensor interface applications

The LMV791 is manufactured using National’s advanced

VIP50 process and is available in a 6-pin TSOT23 package.

Typical Application

20116869

20116839

Photodiode Transimpedance Amplifier

Input Referred Voltage Noise vs. Frequency

DS201168

www.national.com

12 3 4 5 6 7...16

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