LMH6654MFX datasheet(1/17 Pages) NSC

Part #	LMH6654MFX

Description	Single/Dual Low Power, 250 MHz, Low Noise Amplifiers

PDF	17 Pages

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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LMH6654/55

Single/Dual Low Power, 250 MHz, Low Noise Amplifiers

General Description

The LMH6654/55 single and dual high speed, voltage feed-

back amplifiers are designed to have unity-gain stable op-

eration with a bandwidth of 250MHz. They operate from

±2.5V to ±6V and each channel consumes only 4.5mA. The

amplifiers feature very low voltage noise and wide output

swing to maximize signal-to-noise ratio.

The LMH6654/55 have a true single supply capability with

input common mode voltage range extending 150 mV below

negative rail and within 1.3V of the positive rail.

LMH6654/55 high speed and low power combination make

these products an ideal choice for many portable, high

speed application where power is at a premium.

The LMH6654 is packaged in SOT23-5 and SOIC-8. The

LMH6655 is packaged in MSOP-8 and SOIC-8.

The LMH6654/55 are built on National’s Advance VIP10™

(Vertically Integrated PNP) complementary bipolar process.

Features

(V

S = ±5V, TJ = 25˚C, Typical values unless specified).

n

Voltage feedback architecture

n

Unity gain bandwidth

250MHz

n

Supply voltage range

±2.5V to ±6V

n

Slew rate

200V/µsec

n

Supply current

4.5mA/channel

n

Input common mode voltage

−5.15V to +3.7V

n

Output voltage swing (R

L = 100Ω)

−3.6V to 3.4V

n

Input voltage noise

4.5nV/

n

Input current noise

1.7pA/

n

Settling Time to 0.01%

25ns

Applications

n

ADC drivers

n

Consumer video

n

Active filters

n

Pulse delay circuits

n

xDSL receiver

n

Pre-amps

Typical Performance Characteristics

Input Voltage Noise vs. Frequency

Closed Loop Gain vs. Frequency

20016560

20016558

August 2001

DS200165

www.national.com

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LMH6654MFX Datasheet(PDF) 1 Page - National Semiconductor (TI)

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