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參數(shù)資料
| 型號(hào)： | CLC5623IM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Triple, High Output, Video Amplifier |
| 中文描述： | TRIPLE OP-AMP, 8000 uV OFFSET-MAX, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁(yè)數(shù)： | 11/12頁(yè) |
| 文件大?。?/td> | 182K |
| 代理商： | CLC5623IM |
11
http://www.national.com
Figure 17: Differential Line Driver wtih
Load Impedance Conversion
Set up the CLC5623 as a difference amplifier:
Make the best use of the CLC5623’s output drive
capability as follows:
where R
eq
is the transformed value of the load imped-
ance, V
max
is the Output Voltage Range, and I
max
is the
maximum Output Current.
Match the line’s characteristic impedance:
Select the transformer so that it loads the line with a
value very near Z
o
over frequency range. The output
impedance of the CLC5623 also affects the match. With
an ideal transformer we obtain:
where Z
o(5623)
(j
ω
) is the output impedance of the
CLC5623 and |Z
o(5623)
(j
ω
)| << R
m
.
The load voltage and current will fall in the ranges:
The CLC5623’s high output drive current and low
distortion make it a good choice for this application.
Bandpass Filter
Figure 18 illustrates a low-sensitivity bandpass filter and
design equations. This topology utilizes the CLC5623’s
closely matched amplifiers to obtain low op-amp
sensitivity at high frequencies.
used as a buffer to obtain low output impedance. The
overall circuit gain is unity. For additional gain, the third
CLC5623 can be configured as a non-inverting amplifier.
The third CLC5623 is
To design the filter, choose C and then determine values for
R and R
1
based on the desired resonant frequency (f
r
)
and Q factor.
Figure 18: Bandpass Filter Topology
Instrumentation Amplifier
An instrumentation circuit is shown on the front page and
reproduced in Figure 19. The DC CMRR can be fine
tuned by adjusting R
1
.
Figure 19: Instrumentation Amplifier
V
n V
I
I
n
o
o
≤
≤
max
max
1/3
CLC5623
+
750
R
1
750
-
750
750
V
out
= 3(V
2
- V
1
)
750
750
750
-
V
1
V
2
1/3
CLC5623
1/3
CLC5623
+
-
R
1/3
CLC5623
+
V
o
R
R
-
1/3
CLC5623
V
in
R
R
f
R
1
C
C
R
1
2 f C
R
QR
1
=
=
1/3
CLC5623
+
CL1/3
R
g2
+
V
o
-
-
R
t2
R
f2
R
f1
R
g1
1/3
CLC5623
V
in
R
t1
R
m/2
R
m/2
R
L
Z
o
UTP
I
o
R
eq
1:n
V
d/2
-V
d/2
V
V
2
1
R
R
2
R
R
d
in
f1
g1
f2
g2
=
+
=
R
R
2 V
I
m
eq
max
max
+
=
R
R
Z
R
n
R
R
L
o
m
eq
L
eq
=
=
=
ReturnLoss
20 log
=
n
Z
j
Z
,dB
10
2
o 5623
o
( )
)
ω
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CLC5623IMX | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CLC5623IN | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CLC5623M WAF | 制造商:Texas Instruments 功能描述: |
| CLC5632 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual, High Output, Programmable Gain Buffer |
| CLC56321MX | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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