LMV797 Datasheet

IC型號：
LMV797
PDF描述：
National Semiconductor [17 MHz, Low Noise, CMOS Input, 1.8V...
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LMV796/LMV797 17 MHz, Low Noise, CMOS Input, 1.8V Operational Amplifiers

May 2006

LMV796/LMV797

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

Amplifiers

General Description

The LMV796 (Single) and the LMV797 (Dual) low noise,

CMOS input operational amplifiers offer a low input voltage

while consuming only 1.15 mA

noise density of 5.8 nV/

(LMV796) of quiescent current. The LMV796 and LMV797

are unity gain stable op amps and have gain bandwidth of 17

MHz. The LMV796/ LMV797 have a supply voltage range of

1.8V to 5.5V and can operate from a single supply. The

LMV796/LMV797 each feature a rail-to-rail output stage ca-

pable of driving a 600鈩?load and sourcing as much as 60 mA

of current.

The LMV796 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 LMV796 and the LMV797 ideal

for low power sensor applications.

The LMV796/LMV797 are manufactured using National鈥檚

advanced VIP50 process and are offered in a 5-pin SOT23

and an 8-pin MSOP package respectively.

Features

(Typical 5V supply, unless otherwise noted)

Input referred voltage noise

5.8 nV/

Input bias current

100 fA

Unity gain bandwidth

17 MHz

Supply current per channel

鈥?LMV796

1.15 mA

鈥?LMV797

1.30 mA

Rail-to-rail output swing

鈥?/div>

10 k鈩?load

25 mV from rail

35 mV from rail

鈥?/div>

2 k鈩?load

Guaranteed 2.5V and 5.0V performance

Total harmonic distortion

0.01%

1 kHz, 600鈩?/div>

Temperature range

鈭?0藲C to 125藲C

Applications

Photodiode amplifiers

Active filters and buffers

Low noise signal processing

Medical instrumentation

Sensor interface applications

Typical Application

20183569

20183539

Photodiode Transimpedance Amplifier

Input Referred Voltage Noise vs. Frequency

漏 2006 National Semiconductor Corporation

DS201835

www.national.com

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