clc430 National Semiconductor Corporation, clc430 Datasheet

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clc430

Manufacturer Part Number
clc430
Description
General Purpose 100mhz Op Amp With Disable
Manufacturer
National Semiconductor Corporation
Datasheet

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General Description
The CLC430 is a low-cost, wideband monolithic amplifier for general
purpose applications. The CLC430 utilizes National’s patented
current feedback circuit topology to provide an op amp with a slew rate
of 2000V/ s, 100MHz unity-gain bandwidth and fast output disable
function. Like all current feedback op amps, the CLC430 allows the
frequency response to be optimized (or adjusted) by the selection of
the feedback resistor. For demanding video applications, the 0.1dB
bandwidth to 20MHz and differential gain/phase of 0.03%/0.05° make
the CLC430 the preferred component for broadcast quality NTSC and
PAL video systems.
The large voltage swing (28V
and slew rate (2000V/ s) provide high-fidelity signal conditioning for
applications such as CCDs, transmission lines and low impedance
circuits. Even driving loads of 100 , the CLC430 provides very low
2nd and 3rd harmonic distortion at 1MHz (-76/-82dBc).
Video distribution, multimedia and general purpose applications will
benefit from the CLC430’s wide bandwidth and disable feature. Power
is reduced and the output becomes a high impedance when disabled.
The wide gain range of the CLC430 makes this general purpose op
amp an improved solution for circuits such as active filters, differen-
tial-to-single-ended drivers, DAC transimpedance amplifiers and
MOSFET drivers.
Printed in the U.S.A.
N
CLC430
General Purpose 100MHz Op Amp with Disable
1999 National Semiconductor Corporation
Typical Application
pp
CCD Clock Driver
), continuous output current (85mA)
DIP & SOIC
Features
Applications
Pinout
0.1dB gain flatness to 20MHz (A
100MHz bandwidth (A
2000V/ s slew rate
0.03%/0.05° differential gain/phase
±5V, ±15V or single supplies
100ns disable to high-impedance output
Wide gain range
Low cost
Video distribution
CCD clock driver
Multimedia systems
DAC output buffers
Imaging systems
v
=+1)
http://www.national.com
v
=+2)
June 1999

clc430 Summary of contents

Page 1

... CLC430’s wide bandwidth and disable feature. Power is reduced and the output becomes a high impedance when disabled. The wide gain range of the CLC430 makes this general purpose op amp an improved solution for circuits such as active filters, differen- tial-to-single-ended drivers, DAC transimpedance amplifiers and MOSFET drivers ...

Page 2

... CLC430 Electrical Characteristics PARAMETERS CONDITIONS Ambient Temperature CLC430 FREQUENCY DOMAIN RESPONSE unity-gain bandwidth V < 1.0V out small-signal bandwidth V < 1.0V out V < 1.0V out 0.1dB bandwidth V < 1.0V out V < 1.0V out large-signal bandwidth V = 10V out gain flatness V < 1.0V out peaking DC to 10MHz rolloff DC to 20MHz ...

Page 3

3 http://www.national.com ...

Page 4

... Ordering Information Model Temperature Range CLC430AJP -40°C to +85°C CLC430AJE -40°C to +85°C CLC430A8B -55°C to +125°C DESC SMD number: 5962-92030. http://www.national.com Package Thermal Resistance Description Package AJP 8-pin PDIP AJE 8-pin SOIC A8B 8-pin CERDIP, MIL-STD-883 Transistor count 60° ...

Page 5

... Differential Gain and Differential Phase The CLC430 has low DG and DP errors for video applica- tions. Add an external pulldown resistor to the CLC430’s output to improve DG and DP as seen in Fig.3. A 604 R will improve DG and DP to 0.01% and 0.02°. ...

Page 6

... The bandwidth of the CLC430 AGC is limited out feedback resistor. The FET gate voltage is limited to a range of 750 approximately 150 to 2K ohms. Scaling the integrator gain or adding attenuation before the diode D accommodates large signal swings. Determine the overall gain by: The integrator sets the loop time constant ...

Page 7

This page intentionally left blank. 7 http://www.national.com ...

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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