clc5632 National Semiconductor Corporation, clc5632 Datasheet - Page 11
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clc5632
Manufacturer Part Number
clc5632
Description
Dual, High Output, Programmable Gain Buffer
Manufacturer
National Semiconductor Corporation
Datasheet
1.CLC5632.pdf
(19 pages)
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Specified) (Continued)
I
Input Referred Crosstalk
Application Division
CLC5632 Operation
The CLC5632 is a current feedback buffer fabricated in an
advanced complementary bipolar process. The CLC5632
operates from a single 5V supply or dual
Operating from a single 5V supply, the CLC5632 has the
following features:
The CLC5632 performance is further enhanced in
ply applications as indicated in the
teristics table and the
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 −79/−81dBc 2nd & 3rd harmonic distortion
• Provides BW80MHz and 1MHz distortion
BN
5V Typical Performance Characteristics
nal resistors
15mW of power
= 2V
& V
4.0
3.8
3.6
3.4
3.2
3.0
2.8
-100
-120
OS
-20
-40
-60
-80
PP
-60
1M
vs. Temperature
V
o
= 1V
-20
pp
Temperature ( C)
±
Frequency (Hz)
20
5V Typical Performance plots.
10M
60
V
I
BN
OS
±
5V Electrical Charac-
100
<
±
−75dBc at V
5V supplies.
DS015003-35
140
DS015003-33
100M
±
3.0
2.5
2.0
1.5
1.0
0.5
0
5V sup-
O
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 non-inverting or inverting
current feedback amplifier is approximated by Equation 1.
where:
• Independence of AC bandwidth and voltage gain
• Inherently stable at unit gain
• Adjustable frequency response with feedback resistor
• High slew rate
• Fast Settling
• A
• R
• Z(j ) is the CLC5632’s open loop transimpedance gain
(A
V
V
f
1M
is the feedback resistor
is the closed loop DC voltage gain
= +2, R
V
0
Active Output
= 1V
Channel
pp
L
= 100 , V
Time (10ns/div)
Frequency (Hz)
V
V
10M
in
o
1
CC
Channel 1
A
Inactive Output
Z(j )
R
v
=
Channel
f
Channel 2
±
5V; Unless
100M
DS015003-34
DS015003-36
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