CLC446 National Semiconductor, CLC446 Datasheet

CLC446

Manufacturer Part Number

CLC446

Description

400MHz/ 50mW Current-Feedback Op Amp

Manufacturer

National Semiconductor

Datasheets

1.NSC04522.pdf (12 pages)

2.CLC446.pdf (12 pages)

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CLC446

400MHz, 50mW Current-Feedback Op Amp

Printed in the U.S.A.

General Description

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/ s 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.

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/ s), the

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

resolution component RGB video systems.

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.

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.

Elliptic-Function Low Pass Filter

Typical Application

CLC446

Features

Applications

-2

400MHz bandwidth (A

5mA supply current

0.02%, 0.03° differential gain, phase

2000V/ s slew rate

9ns settling to 0.1%

0.05dB gain flatness to 100MHz

-65/-78dBc HD2/HD3

High resolution video

A/D driver

Medical imaging

Video switchers & routers

RF/IF amplifier

Communications

Instrumentation

Non-Inverting

Frequency Response (A

= 0.5V

10M

Frequency (Hz)

DIP & SOIC

Pinout

100M

= +2)

November 1998

http://www.national.com

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