KM4112 datasheet(1/9 Pages) FAIRCHILD

Il numero della parte	KM4112

Spiegazioni elettronici	70A, Low Cost, 2.7V & 5V, 7.3MHz Rail-to-Rail Amplifier

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Produttore elettronici	FAIRCHILD [Fairchild Semiconductor]

Homepage	http://www.fairchildsemi.com

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Features

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70

µA supply current

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7.3MHz bandwidth

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Fully specified at +2.7V and +5V supplies

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Output voltage range: 0.04V to 4.96V; Vs = +5

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Input voltage range: -0.3V to +3.8V; Vs = +5

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9V/

µs slew rate

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±4mA linear output current

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±9mA short circuit output current

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29nV/

√Hz input voltage noise

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Competes with low power CMOS amps

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Small package option (SOT23-5)

Applications

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Portable/battery-powered applications

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A/D buffer

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Active filters

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Signal conditioning

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Portable test instruments

General Description

The KM4112 is an ultra-low power, low cost, voltage

feedback amplifier. The KM4112 uses only 70

µA of

supply current and is designed to operate on +2.7V,

+5V, or ±2.5V supplies. The input voltage range

extends 300mV below the negative rail and 1.2V

below the positive rail.

The KM4112 offers high bipolar performance at a low

CMOS price. The KM4112 offers superior dynamic

performance with a 7.3MHz small signal bandwidth

and 9V/

µs slew rate. The combination of low power,

high bandwidth, and rail-to-rail performance make

the KM4112 well suited for battery-powered commu-

nication/computing systems.

KM4112

70

µA, Low Cost, +2.7V & +5V, 7.3MHz Rail-to-Rail Amplifier

www.fairchildsemi.com

REV. 2 July 2001

KM4112 Package

-

1

2

3

Out

-Vs

+In

+Vs

-In

5

4

SOT23-5

Non-Inverting Freq. Response Vs = +5V

Frequency (MHz)

0.01

0.1

1

10

G = 2

Rf = 10kΩ

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Fairchild Semiconductor	KM4212	181Kb / 10P	Dual, 70A, Low Cost, 2.7V & 5V, 7.3MHz Rail-to-Rail Amp
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KM4112 Scheda tecnica(PDF) 1 Page - Fairchild Semiconductor

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