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參數(shù)資料
| 型號(hào)： | CLC5602IM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 音頻／視頻放大 |
| 英文描述： | Dual, High Output, Video Amplifier |
| 中文描述： | 1 CHANNEL, VIDEO AMPLIFIER, PDSO8 |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁(yè)數(shù)： | 6/12頁(yè) |
| 文件大?。?/td> | 182K |
| 代理商： | CLC5602IM |
http://www.national.com
6
±5V Typical Channel Matching Performance
(A
v
= +2, R
f
= 750
, R
L
= 100
,V
CC
= ±5V, unless specified)
Channel Matching
M
Frequency (Hz)
1M
10M
100M
Channel 1
Channel 2
Input Referred Crosstalk
M
Frequency (Hz)
1M
10M
100M
-90
-80
-70
-60
-50
-40
-20
-30
V
o
= 1V
pp
Pulse Crosstalk
A
A
Time (10ns/div)
I
A
Active Output
Channel
Inactive Output
Channel
CLC5602 OPERATION
The CLC5602 is a current feedback amplifier built in an
advanced complementary bipolar process. The CLC5602
operates from a single 5V supply or dual ±5V supplies.
Operating from a single supply, the CLC5602 has the
following features:
I
Provides 100mA of output current while
consuming 7.5mW of power
I
Offers low -80/-82dB 2nd and 3rd harmonic
distortion
I
Provides BW > 60MHz and 1MHz distortion
< -65dBc at V
o
= 2.0V
pp
The CLC5602 performance is further enhanced in ±5V
supply applications as indicated in the
±5V Electrical
Characteristics
table and
±5V Typical Performance
plots.
Current Feedback Amplifiers
Some of the key features of current feedback technology
are:
I
Independence of AC bandwidth and voltage gain
I
Inherently stable at unity gain
I
Adjustable frequency response with feedback resistor
I
High slew rate
I
Fast settling
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.
Equation 1
where:
I
A
v
is the closed loop DC voltage gain
I
R
f
is the feedback resistor
I
Z(j
ω
) is the CLC5602’s open loop
transimpedance gain
ω
( )
I
is the loop gain
The denominator of Equation 1 is approximately equal to
1 at low frequencies. Near the -3dB corner frequency, the
interaction between R
f
and Z(j
ω
) dominates the circuit
performance. The value of the feedback resistor has a
large affect on the circuits performance. Increasing R
f
has the following affects:
I
Decreases loop gain
I
Decreases bandwidth
I
Reduces gain peaking
I
Lowers pulse response overshoot
I
Affects frequency response phase linearity
Refer to the
Feedback Resistor Selection
section for
more details on selecting a feedback resistor value.
V
V
A
1
R
Z(j )
o
in
v
f
=
+
Z j
R
f
CLC5602 DESIGN INFORMATION
Single Supply Operation (V
CC
= +5V,V
EE
= GND)
The specifications given in the
+5V Electrical Character-
istics
table for single supply operation are measured with
a common mode voltage (V
cm
) of 2.5V. V
cm
is the volt-
age around which the inputs are applied and the
output voltages are specified.
Operating from a single +5V supply, the Common Mode
Input Range (CMIR) of the CLC5602 is typically +0.8V to
+4.2V. The typical output range with R
L
=100
is +1.0V
to +4.0V.
For single supply DC coupled operation, keep input
signal levels above 0.8V DC. For input signals that drop
below 0.8V DC, AC coupling and level shifting the signal
are recommended. The non-inverting and inverting
configurations for both input conditions are illustrated in
the following 2 sections.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CLC5602IMX | Dual, High Output, Video Amplifier |
| CLC5602IN | Dual, High Output, Video Amplifier |
| CLC5612IM | Dual, High Output, Programmable Gain Buffer |
| CLC5612IMX | Dual, High Output, Programmable Gain Buffer |
| CLC5612IN | Dual, High Output, Programmable Gain Buffer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CLC5602IMX | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CLC5602IN | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CLC5602M/N WAF | 制造商:Texas Instruments 功能描述: |
| CLC561 | 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:Wideband, Low Distortion DriveR-Amps |
| CLC5612 | 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:Dual, High Output, Programmable Gain Buffer |
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