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參數(shù)資料
| 型號： | CLC5622IN |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | Dual, High Output, Video Amplifier |
| 中文描述： | DUAL OP-AMP, 8000 uV OFFSET-MAX, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁數(shù)： | 9/12頁 |
| 文件大?。?/td> | 180K |
| 代理商： | CLC5622IN |
9
http://www.national.com
Figure 9: Power Derating Curves
Layout Considerations
A proper printed circuit layout is essential for achieving
high frequency performance.
evaluation boards for the CLC5622 (CLC730038-DIP,
CLC730036-SOIC) and suggests their use as a guide for
high frequency layout and as an aid for device testing and
characterization.
Comlinear provides
General layout and supply bypassing play major roles in
high frequency performance. Follow the steps below as
a basis for high frequency layout:
I
Include 6.8
μ
F tantalum and 0.1
μ
F ceramic
capacitors on both supplies.
I
Place the 6.8
μ
F capacitors within 0.75 inches
of the power pins.
I
Place the 0.1
μ
F capacitors less than 0.1 inches
from the power pins.
I
Remove the ground plane under and around the
part, especially near the input and output pins to
reduce parasitic capacitance.
I
Minimize all trace lengths to reduce series
inductances.
I
Use flush-mount printed circuit board pins for
prototyping, never use high profile DIP sockets.
Evaluation Board Information
A data sheet is available for the CLC730038/ CLC730036
evaluation boards.
The evaluation board data sheet
provides:
I
Evaluation board schematics
I
Evaluation board layouts
I
General information about the boards
The evaluation boards are designed to accommodate
dual supplies. The boards can be modified to provide
single supply operation.
For best performance; 1) do
not connect the unused supply, 2) ground the unused
supply pin.
SPICE Models
SPICE models provide a means to evaluate amplifier
designs. Free SPICE models are available for National’s
monolithic amplifiers that:
I
Support Berkeley SPICE 2G and its many derivatives
I
Reproduce typical DC, AC, Transient, and Noise
performance
I
Support room temperature simulations
The
readme
file that accompanies the diskette lists
released models, and provides a list of modeled parame-
ters.
The application note OA-18, Simulation SPICE
Models for National’s Op Amps, contains schematics and
a reproduction of the readme file.
Single Supply Cable Driver
The typical application shown below shows one of the
CLC5622 amplifiers driving 10m of 75
coaxial cable.
The CLC5622 is set for a gain of +2V/V to compensate
for the divide-by-two voltage drop at V
o
.
Figure 10: Single Supply Cable Driver
Figure 11: Response After 10m of Cable
Single Supply Lowpass Filter
Figures 12 and 13 illustrate a lowpass filter and design
equations. The circuit operates from a single supply of
+5V. The voltage divider biases the non-inverting input to
2.5V. And the input is AC coupled to prevent the need for
level shifting the input signal at the source.
design equations to determine R
1
, R
2
, C
1
, and C
2
based
on the desired Q and corner frequency.
Use the
Application Circuits
+
-
CL1/2
1k
0.1
μ
F
6.8
μ
F
+
V
o
V
in
+5V
3
2
4
8
1
1k
5k
5k
0.1
μ
F
10m of 75
Coaxial Cable
75
0.1
μ
F
75
0.1
μ
F
1
20ns/div
V
in
= 10MHz, 0.5V
pp
P
Ambient Temperature (
°
C)
0
0.2
0.4
0.6
0.8
1.0
-40 -20
0
20
40
60
80 100 120
180
IN
IM
140 160
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CLC5622M/N WAF | 制造商:Texas Instruments 功能描述: |
| CLC5623 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Triple, High Output, Video Amplifier |
| CLC5623IM | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CLC5623IMX | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CLC5623IN | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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