Datasheet > CLC426AJE-TR13

CLC426AJE-TR13

更新时间： 2024-11-11 19:45:19

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美国国家半导体 - NSC		/
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CLC426AJE-TR13 数据手册

June 1999

CLC426

Wideband, Low-Noise, Voltage Feedback Op Amp

General Description

Features

TheCLC426combinesanenhancedvoltage-feedbackarchitecture

with an advanced complementary bipolar process to provide a

high-speedopampwithverylownoise(1.6nV/√Hz&2.0pA/√Hz)and

distortion (-62/-68dBc 2^nd/3^rdharmonics at 1V_ppand 10MHz).

■ Widegain-bandwidthproduct:230MHz

■ Ultra-low input voltage noise: 1.6nV/√Hz

■ Very low harmonic distortion: -62/-68dBc

■ Fast slew rate: 400V/µs

■ Adjustable supply current

■ Dual ±2.5 to ±5V or single 5 to 12V supplies

■ Externally compensatable

Providing a wide 230MHz gain-bandwidth product, a fast 400V/µs

slew rate and very quick 16ns settling time to 0.05% , the CLC426 is

the ideal choice for high speed applications requiring a very wide-

dynamicrangesuchasaninputbufferforhigh-resolutionanalog-to-

digital converters.

Applications

■ Active filters & integrators

■ Ultrasound

■ Low-powerportablevideo

■ ADC/DAC buffer

■ Wide dynamic range amp

■ Differential amps

The CLC426 is internally compensated for gains ≥ 2V/V and can

easilybeexternallycompensatedforunity-gainstabilityinapplications

suchaswidebandlow-noiseintegrators.TheCLC426isalsoequipped

with external supply current adjustment which allows the user to

optimizepower,bandwidth,noiseanddistortionperformanceforeach

application.

■ Pulse/RF amp

TheCLC426'scombinationofspeed,lownoiseanddistortionandlow

dc errors will allow high-speed signal conditioning applications to

achieve the highest signal-to-noise performance. To reduce design

times and assist board layout, the CLC426 is supported by an

evaluationboardandSPICEsimulationmodelavailablefromNational.

For even higher gain-bandwidth voltage-feedback op amps see the

1.9GHz CLC425 (A_v≥ 10V/V) or the 5.0GHz CLC422 (A_v≥ 30V/V).

Typical Application

V_inv

R_p(optional)

+V_cc

Pinout

DIP & SOIC

Wide Dynamic Range

Sallen-Key Band Pass Filter

2nd-Order

V_non-inv

-V_cc

V_out

Ext. Comp.

(20MHz, Q=10, G=2)

(optional)

1999NationalSemiconductorCorporation

http://www.national.com

PrintedintheU.S.A.

12 3 4 5 6 7 8

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