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CLC446A8B Datasheet

  • CLC446A8B

  • National Semiconductor [400MHz, 50mW Current-Feedback Op Am...

  • NSC

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CLC446
400MHz, 50mW Current-Feedback Op Amp
November 1998
N
CLC446
400MHz, 50mW Current-Feedback Op Amp
General Description
The National CLC446 is a very high-speed unity-gain-stable cur-
rent-feedback op amp that is designed to deliver the highest lev-
els of performance from a mere 50mW quiescent power. It pro-
vides a very wide 400MHz bandwidth, a 2000V/碌s slew rate and
900ps rise/fall times. The CLC446 achieves its superior speed-
vs-power using an advanced complementary bipolar IC process
and National鈥檚 current-feedback architecture.
The CLC446 is designed to drive video loads with very low
differential gain and phase errors (0.02%, 0.03擄). Combined with
its very low power (50mW), the CLC446 makes an excellent
choice for NTSC/PAL video switchers and routers. With its very
quick edge rates (900ps) and high slew rate (2000V/碌s), the
CLC446 also makes an excellent choice for high-speed, high-
resolution component RGB video systems.
The CLC446 makes an excellent low-power high-resolution A/D
converter driver with its very fast 9ns settling time (to 0.1%) and
low harmonic distortion.
The combination of high performance and low power make
the CLC446 useful in many high-speed general purpose
applications. Its current-feedback architecture maintains consistent
performance over a wide gain range and signal levels. DC gain
and bandwidth can be set independently. Also, either maximally
flat AC response or linear phase response can be emphasized.
Features
s
s
s
s
s
s
s
400MHz bandwidth (A
v
= +2)
5mA supply current
0.02%, 0.03擄 differential gain, phase
2000V/碌s slew rate
9ns settling to 0.1%
0.05dB gain flatness to 100MHz
-65/-78dBc HD2/HD3
High resolution video
A/D driver
Medical imaging
Video switchers & routers
RF/IF amplifier
Communications
Instrumentation
Applications
s
s
s
s
s
s
s
Non-Inverting
Frequency Response (A
v
= +2)
8
V
o
= 0.5V
pp
6
Gain (dB)
4
2
0
-2
1M
10M
100M
1G
Frequency (Hz)
Typical Application
Elliptic-Function Low Pass Filter
Pinout
DIP & SOIC
R
1
V
in
C
3
R
3
R
2
C
1
+
V
CC
C
4
C
2
R
4
CLC446
V
o
R
5
C
5
V
EE
-
R
f
R
g
漏 1998 National Semiconductor Corporation
Printed in the U.S.A.
http://www.national.com

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CLC446AJE

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