clc440 National Semiconductor Corporation, clc440 Datasheet

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clc440

Manufacturer Part Number
clc440
Description
High-speed, Low-power, Voltage Feedback Op Amp
Manufacturer
National Semiconductor Corporation
Datasheet

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© 1999 National Semiconductor Corporation
Printed in the U.S.A.
N
CLC440
High-Speed, Low-Power, Voltage Feedback Op Amp
General Description
The CLC440 is a wideband, low-power, voltage feedback op amp
that offers 750MHz unity-gain bandwidth, 1500V/ s slew rate, and
90mA output current. For video applications, the CLC440 sets new
standards for voltage feedback monolithics by offering the impres-
sive combination of 0.015% differential gain and 0.025° differen-
tial phase errors while dissipating a mere 70mW.
The CLC440 incorporates the proven properties of Comlinear’s
current feedback amplifiers (high bandwidth, fast slewing, etc.) into a
“classical” voltage feedback architecture. This amplifier possesses
truly differential and fully symmetrical inputs both having a high
900k
Furthermore, since the CLC440 incorporates voltage feedback, a
specific R
allows for numerous applications in wideband filtering and integration.
Unlike several other high-speed voltage feedback op amps, the
CLC440 operates with a wide range of dual or single supplies
allowing for use in a multitude of applications with limited supply
availability. The CLC440’s low 3.5nV/ Hz(e
noise sets a very low noise floor.
10MHz to 40MHz Square and Triangular Wave Generator
impedance with matched low input bias currents.
f
is not required for stability. This flexibility in choosing R
Typical Application
n
) and 2.5pA/ Hz(i
n
)
f
Features
Applications
Unity-gain stable
High unity-gain bandwidth: 750MHz
Ultra-low differential gain: 0.015%
Very low differential phase: 0.025°
Low power: 70mW
Extremely fast slew rate: 1500V/ s
High output current: 90mA
Low noise: 3.5nV/ Hz
Dual ±2.5V to ±6V or single 5V to 12V supplies
Professional video
Graphics workstations
Test equipment
Video switching & routing
Communications
Medical imaging
A/D drivers
Photo diode transimpedance amplifiers
Improved replacement for CLC420 or OPA620
DIP & SOIC
Pinout
Frequency Response (A
Generator Waveforms
V
= +2V/V)
http://www.national.com
June 1999

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clc440 Summary of contents

Page 1

... Unlike several other high-speed voltage feedback op amps, the CLC440 operates with a wide range of dual or single supplies allowing for use in a multitude of applications with limited supply availability. The CLC440’s low 3.5nV/ Hz(e noise sets a very low noise floor. ...

Page 2

... CLC440 Electrical Characteristics PARAMETERS CONDITIONS Ambient Temperature CLC440 FREQUENCY DOMAIN RESPONSE -3dB bandwidth A =+ out V out -3dB bandwidth A =+ out gain bandwidth product V out gain flatness V out linear phase deviation V out differential gain 4.43MHz, R differential phase 4.43MHz, R TIME DOMAIN RESPONSE ...

Page 3

... CLC440 Typical Performance Characteristics Non-Inverting Frequency Response Gain Phase - - -135 -180 1 10 100 1000 Frequency (MHz) Frequency Response vs. V out V = 200mV out pp Gain out out ...

Page 4

... Time (s) APPLICATION INFORMATION Output Drive and Settling Time Performance The CLC440 has large output current capability. The 90mA of output current makes the CLC440 an excellent choice for applications such as: • Video Line Drivers • Distribution Amplifiers When driving a capacitive load or coaxial cable, include a series resistance back match or improve settling time. Refer to the “ ...

Page 5

... Transimpedance Amplifier The low 2.5pA/ Hz input current noise and unity gain ) stability make the CLC440 an excellent choice for transimpedance applications. low noise transimpedance amplifier that is commonly implemented with photo diodes. R ance gain. The photo diode current multiplied by R determines the output voltage. ...

Page 6

... Figure Equation 3: Total Equivalent Input Referred Current Noise Density http://www.national.com Rectifier The large bandwidth of the CLC440 allows for high speed rectification. A common rectifier topology is shown in Figure 5MHz, 2V and expected The 1pF f 2 ...

Page 7

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Page 8

... National’s products are not authorized for use as critical components in life support devices or systems without the express written approval of the president of National Semiconductor Corporation. As used herein: 1. Life support devices or systems are devices or systems which, a) are intended for surgical implant into the body support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user ...

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