CLC446

更新时间： 2024-11-10 22:50:31

品牌	Logo	应用领域
美国国家半导体 - NSC		运算放大器
页数	文件大小	规格书
12页	160K
描述
400MHz, 50mW Current-Feedback Op Amp

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CLC446 数据手册

November 1998

CLC446

400MHz, 50mW Current-Feedback Op Amp

General Description

Features

■

The National CLC446 is a very high-speed unity-gain-stable cur-

rent-feedback op amp that is designed to deliver the highest lev-

els of performance from a mere 50mW quiescent power. It pro-

vides a very wide 400MHz bandwidth, a 2000V/µs slew rate and

900ps rise/fall times. The CLC446 achieves its superior speed-

vs-power using an advanced complementary bipolar IC process

and National’s current-feedback architecture.

400MHz bandwidth (A = +2)

■

5mA supply current

0.02%, 0.03° differential gain, phase

2000V/µs slew rate

9ns settling to 0.1%

0.05dB gain flatness to 100MHz

-65/-78dBc HD2/HD3

The CLC446 is designed to drive video loads with very low

differential gain and phase errors (0.02%, 0.03°). Combined with

its very low power (50mW), the CLC446 makes an excellent

choice for NTSC/PAL video switchers and routers. With its very

quick edge rates (900ps) and high slew rate (2000V/µs), the

CLC446 also makes an excellent choice for high-speed, high-

resolution component RGB video systems.

Applications

■

High resolution video

■

A/D driver

■

Medical imaging

■

Video switchers & routers

■

RF/IF amplifier

■

Communications

■

Instrumentation

The CLC446 makes an excellent low-power high-resolution A/D

converter driver with its very fast 9ns settling time (to 0.1%) and

low harmonic distortion.

Non-Inverting

Frequency Response (A_v= +2)

The combination of high performance and low power make

the CLC446 useful in many high-speed general purpose

applications. Its current-feedback architecture maintains consistent

performance over a wide gain range and signal levels. DC gain

and bandwidth can be set independently. Also, either maximally

flat AC response or linear phase response can be emphasized.

V_o= 0.5V_pp

-2

10M

100M

Frequency (Hz)

Typical Application

Elliptic-Function Low Pass Filter

Pinout

DIP & SOIC

R₁

C₃

R₂

C₄

C₁

R₄

V_CC

V_in

V_o

CLC446

C₂

R₅

V_EE

C₅

R₃

R_f

R_g

Printed in the U.S.A.

http://www.national.com

12 3 4 5 6 7...12

中文翻译

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