clc412 National Semiconductor Corporation, clc412 Datasheet

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clc412

Manufacturer Part Number
clc412
Description
Dual Wideband Video Op Amp
Manufacturer
National Semiconductor Corporation
Datasheet

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General Description
The CLC412 combines a high-speed complementary bipolar process
with National's current-feedback topology to produce a very high-
speed dual op amp. The CLC412 provides a 250MHz small-signal
bandwidth at a gain of +2V/V and a 1300V/ s slew rate while
consuming only 50mW per amplifier from ±5V supplies.
The CLC412 offers exceptional video performance with its 0.02%
and 0.02° differential gain and phase errors for NTSC and PAL video
signals while driving one back terminated 75 load. The CLC412
also offers a flat gain response of 0.1dB to 30MHz and very low
channel-to-channel crosstalk of -76dB at 10MHz. Additionally, each
amplifier can deliver a 70mA continuous output current. This level of
performance makes the CLC412 an ideal dual op amp for high-
density broadcast-quality video systems.
The CLC412's two very well-matched amplifiers support a number of
applications such as differential line drivers and receivers. In
addition, the CLC412 is well suited for Sallen Key active filters in
applications such as anti-aliasing filters for high-speed A/D
converters. Its small 8-pin SOIC package, low power requirement,
low noise and distortion allow the CLC412 to serve portable RF
applications such as IQ-channels.
The CLC412 is available in the following versions.
CLC412AJP
CLC412AJE
CLC412AIB
CLC412A8B
CLC412A8L-2A
CLC412AMC
DESC SMD number: 5962-94719
Printed in the U.S.A.
N
CLC412
Dual Wideband Video Op Amp
1999 National Semiconductor Corporation
V
V
out
in
s
2
Sallen-Key Low-Pass Filter
s
R C
1 1
Typical Application
1
R C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
-55°C to +125°C
-55°C to +125°C
R R C C
2
1
1 2
2
K
o
1
1 2
R C
V
2
in
K
R
2
9
in
+
½CLC412
-
R R C C
1 2
R
1
f
1 2
8-pin Plastic DIP
8-pin Plastic SOIC
8-pin CERDIP
8-pin CERDIP,
MIL-STD-883, Level B
20-pin LCC,
MIL-STD-883, Level B
dice,
MIL-STD-883, Level B
R
1
R
C
2
2
C
1
+
½CLC412
-
Features
Applications
Low power: 5mA/channel
-76dB channel-to-channel crosstalk
(10MHz)
DC coupled single-to-differential conversions
Wide bandwidth: 330MHz (A
Very low diff. gain, phase: 0.02%, 0.02°
Fast slew rate: 1300V/ s
Unity-gain stable
HDTV, NTSC & PAL video systems
Video switching and distribution
Wideband active filters
Cable drivers
0.1dB gain flatness to 30MHz
IQ amplifiers
R
V
R
out
f
g
V
non-inv
V
V
-Vcc
out
inv
1
1
1
1
2
3
4
250MHz (A
DIP & SOIC
Pinout
-
+
v
=+1V/V)
-
+
http://www.national.com
v
=+2V/V)
June 1999
8
7
6
5
+V
V
V
V
out
inv
non-inv
cc
2
2
2

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clc412 Summary of contents

Page 1

... The CLC412's two very well-matched amplifiers support a number of applications such as differential line drivers and receivers. In addition, the CLC412 is well suited for Sallen Key active filters in applications such as anti-aliasing filters for high-speed A/D converters. Its small 8-pin SOIC package, low power requirement, low noise and distortion allow the CLC412 to serve portable RF applications such as IQ-channels ...

Page 2

... CLC412 Electrical Characteristics PARAMETERS CONDITIONS Ambient Temperature CLC412 AJ FREQUENCY DOMAIN RESPONSE -3dB bandwidth V out V out gain flatness V out peaking DC to 30MHz rolloff DC to 30MHz linear phase deviation DC to 75MHz differential gain 4.43MHz, R differential phase 4.43MHz, R TIME DOMAIN RESPONSE rise and fall time ...

Page 3

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Page 5

... For more information see Application Note OA-13 f which describes the relationship between R loop frequency response. When configuring the CLC412 for other inverting or non- inverting gains necessary to adjust the value of the feedback resistor in order to optimize the device’s frequency and phase response. The two plots below ...

Page 6

... Comlinear. There are two types of boards; the DIP (#730038) and SOIC (#730036). The #730036 board uses all SMT parts for the evaluation of the CLC412 in its http://www.national.com surface mount package. Either of these layouts can assist the designer in obtaining the desired performance ...

Page 7

... OA-12. Differential Gain & Phase The CLC412 can drive multiple video loads with very low differential gain and phase errors. The Typical Performance plots labeled “Differential Gain vs. Frequency” and "Differential Phase vs. Frequency" show performance for loads from ...

Page 8

... Figure 5a High-Speed Instrumentation Amplifier. For applications requiring higher CMRR the composite circuit of Figure 6 uses the two amplifiers of the CLC412 to create balanced inputs for the CLC420 voltage- feedback op amp. The DC CMRR can be fine tuned through the adjustment Further improvement ...

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Page 12

... 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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