clc5633 National Semiconductor Corporation, clc5633 Datasheet - Page 11
clc5633
Manufacturer Part Number
clc5633
Description
Triple, High Output, Programmable Gain Buffer
Manufacturer
National Semiconductor Corporation
Datasheet
1.CLC5633.pdf
(17 pages)
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specified) (Continued)
I
All Hostile Crosstalk
Application Division
CLC5633 Operation
The CLC5633 is a current feedback buffer fabricated in an
advanced complementary bipolar process. The CLC5633
operates from a single 5V supply or dual
Operating from a single 5V supply, the CLC5633 has the
following features:
The CLC5633 performance is further enhanced in
ply applications as indicated in the
teristics table and
If gains other than +1, −1, or +2V/V are required, then the
CLC5602 can be used. The CLC5602 is a current feedback
amplifier with near identical performance and allows for ex-
ternal feedback and gain setting resistors.
±
• Gains of +1, −1, and 2V/V are achievable without exter-
• Provides 100mA of output current while consuming only
• Offers low −84/−95dBc 2nd and 3rd harmonic distortion
• Provides BW
BN
5V Typical Performance Characteristics
, V
nal resistors
15mW of power
V
O
7.5
7.0
6.5
6.0
5.5
5.0
OS
= 2V
-30
-40
-50
-60
-70
-80
-60
vs. Temperature
1M
PP
>
90MHz and 1MHz distortion
±
-20
5V Typical Performance plots.
Temperature ( C)
Frequency (Hz)
20
10M
±
5V Electrical Charac-
60
I
BN
±
V
5V supplies.
OS
DS015005-35
<
100
−70dBc at
DS015005-33
100M
±
2.5
1.5
0.5
-0.5
-1.5
-2.5
5V sup-
Channel Matching
Pulse Crosstalk
11
Current Feedback Amplifiers
Some of the key features of current feedback technology
are:
Current feedback operation can be described using a simple
equation. The voltage gain for a non-inverting or inverting
current feedback amplifier is approximated by Equation 1.
where:
• Independence of AC bandwidth and voltage gain
• Inherently stable at unity gain
• Adjustable frequency response with feedback resistor
• High slew rate
• Fast settling
• A
• R
(A
1M
V
V
f
is the feedback resistor
is the closed loop DC voltage gain
= +2, RL = 100 , V
Active Output
Channel 1
Time (10ns/div)
Frequency (Hz)
V
V
Channel 3
10M
in
o
Channel 1
Inactive Output
CC
1
Channel 2
Inactive Output
=
A
Channel 3
Z(j )
±
R
v
Channel 2
5V, unless
100M
f
DS015005-34
DS015005-36
www.national.com
(1)