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參數資料
| 型號： | CLC418AJ |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Dual High-Speed, Low-Power Line Driver |
| 中文描述： | 雙高速，低功耗，線路驅動器 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 280K |
| 代理商： | CLC418AJ |
Features
I
130MHz bandwidth (A
v
= +2)
I
96mA output current
I
1.5mA supply current
I
-85/-75dBc HD2/HD3
I
15ns settling to 0.2%
I
-74dBc input-referred crosstalk (5MHz)
I
Single version available (CLC408)
Applications
I
ADSL/HDSL driver
I
Coaxial cable driver
I
UTP differential line driver
I
Transformer/coil driver
I
High capacitive-load driver
I
Video line driver
I
Portable/battery-powered line driver
I
Differential A/D driver
418 Pinout
V
o1
V
inv1
V
non-inv1
V
EE
V
o2
V
inv2
V
non-inv2
V
CC
+
-
C1/2
418 Typ App Diag
R
g2
+
V
o
-
-
+
R
t2
R
f2
R
f1
R
g1
1/2
CLC418
V
in
R
t1
R
m/2
R
m/2
R
L
Z
o
UTP
I
o
R
eq
I:n
V
d/2
-V
d/2
Typical Application Diagram
Differential Line Driver
with Load Impedance Conversion
Pinout
DIP & SOIC
General Description
The Comlinear CLC418 dual high-speed current-feedback
operational amplifier is designed to drive low-impedance and
high capacitance loads while maintaining high signal fidelity.
Operating on ±5V power supplies, each of the CLC418’s
amplifiers produces a continuous 96mA output current. Into a
back-terminated 50
load, the devices produce -85/-64dBc
second/third harmonic distortion (A
v
= +2, V
o
= 2V
pp
, f = 1MHz).
The CLC418’s current-feedback architecture maintains consistent
performance over a wide range of gain and signal levels. DC gain
and bandwidth can be set independently. With proper resistor
selection, either maximally flat gain response or linear phase
response can be selected.
Requiring a mere 15mW quiescent power per amplifier, the
CLC418 offers superior performance-vs-power with a 130MHz
small-signal bandwidth, 350V/ms slew rate and quick 4.6ns
rise/fall times (2Vstep). The combination of low quiescent power,
high output current drive and high performance make the
CLC418 a great choice for many battery-powered personal
communication/computing systems.
Combining the CLC418’s two amplifiers (shown below) results in
a powerful differential line driver for driving video signals over
unshielded twisted-pair (UTP). The CLC418 can also be used for
driving differential-input step-up transformers for applications
such as Asynchronous Digital Subscriber Lines (ADSL) or High-
Bit-Rate Digital Subscriber Lines (HDSL).
The CLC418’s amplifiers make excellent low-power high-
resolution A-to-D converter drivers with their very fast 15ns set-
tling time (to 0.2%) and ultra-low -85/-75dBc harmonic distortion
(A
v
= +2, V
o
= 2V
pp
, f = 1MHz, R
L
= 1k
).
Non-Inverting Frequency Response
(A
v
= +2V/V, R
L
= 100
)
N
Frequency (Hz)
418 Freq. Resp. Plot
10M
1M
100M
Comlinear CLC418
Dual High-Speed, Low-Power Line Driver
N
August 1996
C
D
1996 National Semiconductor Corporation
Printed in the U.S.A.
http://www.national.com
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相關代理商/技術參數 |
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|---|---|
| CLC420 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:High-Speed, Voltage Feedback Op Amp |
| CLC420AE-QML | 制造商:Rochester Electronics LLC 功能描述:HI SPEED VOLTAGE FEEDBK OP AMP - Bulk 制造商:Texas Instruments 功能描述: |
| CLC420AIB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Feedback Operational Amplifier |
| CLC420AID | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Feedback Operational Amplifier |
| CLC420AJE | 制造商:Texas Instruments 功能描述:Operational Amplifier, Single AMP, Bipolar, 8 Pin, Plastic, SOP |
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