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LMV101/102/105/110 Fixed-Gain Amplifiers

December 1999

LMV101/102/105/110

Fixed-Gain Amplifiers

General Description

The LMV101/102/105/110 fixed-gain amplifier family inte-

grates a rail-to-rail op amp, two internal gain-setting resistors

and a V

+

/2 bias circuit into one ultra tiny package, SC70-5 or

SOT23-5. Fixed inverting gains of 鈭?, 鈭?, 鈭?, and 鈭?0 are

available.

The core op amp in this series is an LMV321, which provides

rail-to-rail output swing, excellent speed-power ratio, 1MHz

bandwidth, and 1V/碌s of slew rate with low supply current.

The LMV101/102/105/110 family reduces external compo-

nent count. It is the most cost effective solution for applica-

tions where low voltage operation, low power consumption,

space savings, and reliable performance are needed. It en-

ables the design of small portable electronic devices, and al-

lows the designer to place the device closer to the signal

source to reduce noise pickup and increase signal integrity.

Features

(For 5V Supply, Typical Unless Otherwise Noted)

n

Fixed inverting gain available

鈭?,鈭?,鈭?,鈭?0

n

DC gain accuracy

@

2.7V supply

鈥?LMV101/102/105

2% (typ)

鈥?LMV110

6% (typ)

n

Space saving packages

SC70-5 & SOT23-5

n

Industrial temperature range

鈭?0藲C to +85藲C

n

Low supply current

130碌A

n

Rail-to-Rail output swing

n

Guaranteed 2.7V and 5V performance

Applications

n

n

n

n

n

General purpose portable devices

Mobile communications

Battery powered electronics

Active filters

Microphone preamplifiers

Typical Application

Phase Inverting AC Amplifier

DS101234-10

V

OUT

= 0.5V

CC

鈭扸

IN

(R

2

/R

1

)

漏 1999 National Semiconductor Corporation

DS101234

www.national.com

next

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