LMH6622MM datasheet(1/18 Pages) NSC

Part #	LMH6622MM

Description	Dual Wideband, Low Noise, 160MHz, Operational Amplifiers

PDF	18 Pages

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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LMH6622

Dual Wideband, Low Noise, 160MHz, Operational

Amplifiers

General Description

The LMH6622 is a dual high speed voltage feedback opera-

tional amplifier specifically optimized for low noise. A voltage

noise specification of 1.6nV/

, a current noise specifi-

cation 1.5pA/

, a bandwidth of 160MHz, and a harmonic

distortion specification that exceeds 90dBc combine to make

the LMH6622 an ideal choice for the receive channel ampli-

fier in ADSL, VDSL, or other xDSL designs. The LMH6622

operates from ±2.5V to ±6V in dual supply mode and from

+5V to +12V in single supply configuration. The LMH6622 is

stable for A

V ≥ 2or AV ≤ −1. The fabrication of the LMH6622

on National Semiconductor’s advanced VIP10 process en-

ables excellent (160MHz) bandwidth at a current consump-

tion of only 4.3mA/amplifier. Packages for this dual amplifier

are the 8-lead SOIC and the 8-lead MSOP.

Features

V

S = ±6V, TA = 25˚C, Typical values unless specified

n

Bandwidth (A

V = +2)

160MHz

n

Supply Voltage Range

±2.5V to ±6V

+5V to +12

n

Slew rate

85V/µs

n

Supply current

4.3mA/amp

n

Input common mode voltage

−4.75V to +5.7V

n

Output Voltage Swing (R

L = 100Ω)

±4.6V

n

Input voltage noise

1.6nV/

n

Input current noise

1.5pA/

n

Linear output current

90mA

n

Excellent harmonic distortion

90dBc

Applications

n

xDSL receiver

n

Low noise instrumentation front end

n

Ultrasound preamp

n

Active filters

n

Cellphone basestation

20029226

xDSL Analog Front End

February 2002

DS200292

www.national.com

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