AD9621 National Semiconductor Corporation, AD9621 Datasheet

AD9621

Manufacturer Part Number

AD9621

Description

CLC420 - High Speed, Voltage Feedback op Amp, Package: Lcc, Pin Nb=20

Manufacturer

National Semiconductor Corporation

Datasheet

1.AD9621.pdf (11 pages)

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CLC420

High Speed, Voltage Feedback Op Amp

General Description

The CLC420 is an operational amplifier designed for appli-

cations requiring matched inputs, integration or transimped-

ance amplification. Utilizing voltage feedback architecture,

the CLC420 offers a 300MHz bandwidth, a 1100V/µs slew

rate and a 4mA supply current (power consumption of

40mW,

Applications such as differential amplifiers will benefit from

70dB common mode rejection ratio and an input offset cur-

rent of 0.2µA. With its unity-gain stability, 2pA/

noise and 3µA of input bias current, the CLC420 is designed

to meet the needs of filter applications and log amplifiers.

The low input offset current and current noise, combined

with a settling time of 18ns to 0.01% make the CLC420 ideal

for D/A converters, pin diode receivers and photo multipliers

amplifiers. All applications will find 70dB power supply rejec-

tion ratio attractive.

Features

n 300MHz small signal bandwidth

n 1100V/µs slew rate

n Unity-gain stability

n Low distortion, -60dBc at 20MHz

n 0.01% settling in 18ns

n 0.2µA input offset current

n 2pA

Connection Diagram

5V supplies).

current noise

DIP & SOIC

Pinout

DS012752

DS012752-18

current

Applications

n Active filters/integrators

n Differential amplifiers

n Pin diode receivers

n Log amplifiers

n D/A converters

n Photo multiplier amplifiers

Non-Inverting Frequency Response

2nd and 3rd Harmonic Distortion

DS012752-20

DS012752-19

February 2001

www.national.com

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