KM7101IT5 datasheet(1/9 Pages) FAIRCHILD

Part #	KM7101IT5

Description	Ultra-Low Cost, 139A, 2.7V, 4.9MHz Rail-to-Rail I/O Amplifier

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

Direct Link	http://www.fairchildsemi.com

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Features

I

136

µA supply current

I

4.9MHz bandwidth

I

Output swings to within 20mV of either rail

I

Input voltage range exceeds the rail by >250mV

I

5.3V/

µs slew rate

I

35mA short circuit output current

I

24nV/

√Hz input voltage noise

I

Directly replaces LMC7101 in single supply

applications

I

Available in SOT23-5 package

Applications

I

Portable/battery-powered applications

I

PCMCIA, USB

I

Mobile communications, cellular phones, pagers

I

Notebooks and PDA’s

I

Sensor Interface

I

A/D buffer

I

Active filters

I

Signal conditioning

I

Portable test instruments

General Description

The KM7101 is an ultra-low cost, low power, voltage

feedback amplifier that is pin compatible to the

LMC7101. If a standard pinout is required, use the

KM4170. The KM7101 uses only 136

µA of supply

current and offers no crossover distortion. The input

common mode voltage range exceeds the negative

and positive rails.

The KM7101 offers high bipolar performance at a

low CMOS price. The KM7101 offers superior

dynamic performance with a 4.9MHz small signal

bandwidth and 5.3V/

µs slew rate. The combination

of low power, high bandwidth, and rail-to-rail per-

formance make the KM7101 well suited for battery-

powered communication/computing systems.

KM7101

Ultra-Low Cost, 139

µA, +2.7V, 4.9MHz Rail-to-Rail I/O Amplifier

www.fairchildsemi.com

REV. 1B March 2001

KM7101 Package

-

1

2

3

Out

+Vs

+In

-Vs

-In

5

4

SOT23-5

Large Signal Frequency Response

Frequency (MHz)

0.01

0.1

1

10

Vo = 4Vpp

Vs = 5V

Vo = 1Vpp

Vo = 2Vpp

Output Swing vs. Load

Input Voltage (0.4V/div)

-2.0

0

2.0

-1.35

0

1.35

RL = 10k

Ω

RL = 1k

Ω

RL = 75/100

Ω

RL = 200

Ω

RL = 100

Ω

RL = 75

Ω

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