LMH6655

更新时间： 2024-11-18 22:47:03

品牌	Logo	应用领域
美国国家半导体 - NSC		放大器
页数	文件大小	规格书
17页	653K
描述
Single/Dual Low Power, 250 MHz, Low Noise Amplifiers

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LMH6655 数据手册

August 2001

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

Features

5V, T_J= 25˚C, Typical values unless specified).

(V_S

n Voltage feedback architecture

n Unity gain bandwidth

n Supply voltage range

n Slew rate

250MHz

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

2.5V to 6V

amplifiers feature very low voltage noise and wide output

swing to maximize signal-to-noise ratio.

200V/µsec

n Supply current

4.5mA/channel

−5.15V to +3.7V

−3.6V to 3.4V

4.5nV/

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.

n Input common mode voltage

n Output voltage swing (R_L= 100Ω)

n Input voltage noise

n Input current noise

n Settling Time to 0.01%

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.

1.7pA/

25ns

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

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

Applications

n ADC drivers

™

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

n Consumer video

n Active filters

(Vertically Integrated PNP) complementary bipolar process.

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

DS200165

www.national.com

12 3 4 5 6 7...17

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