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參數資料
| 型號： | CLC453ALC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | Comlinear CLC453 Single Supply, Low-Power, High Output, Programmable Buffer |
| 中文描述： | BUFFER AMPLIFIER, UUC5 |
| 封裝： | DIE |
| 文件頁數： | 1/12頁 |
| 文件大小： | 330K |
| 代理商： | CLC453ALC |
Features
I
100mA output current
I
3.0mA supply current
I
110MHz bandwidth (A
v
= +2)
I
-65/-84dBc HD2/HD3 (1MHz)
I
25ns settling to 0.05%
I
370V/
μ
s slew rate
I
Stable for capacitive loads up to 1000pF
I
Single 5V to ±5V supplies
I
Available in Tiny SOT23-5 package
Applications
I
Coaxial cable driver
I
Twisted pair driver
I
Transformer/Coil Driver
I
High capacitive load driver
I
Video line driver
I
Portable/battery-powered applications
I
A/D driver
451 Pinout
V
EE
1k
1k
0.1
μ
F
6.8
μ
F
+
V
in
5k
5k
0.1
μ
F
+5V
+5V
1
CLC453
7
6
8
5
3
4
2
1k
1k
0.1
μ
F
453 Typ. App. Diagram
V
o
10m of 75
Coaxial Cable
75
0.1
μ
F
75
Typical Application
Single Supply Cable Driver
Pinout
DIP & SOIC
General Description
The Comlinear CLC453 is a low cost, high speed (110MHz)
buffer that features user-programmable gains of +2, +1, and
-1V/V. It has a new output stage that delivers high output drive
current (100mA), but consumes minimal quiescent supply
current (3.0mA) from a single 5V supply. Its current feedback
architecture, fabricated in an advanced complementary bipolar
process, maintains consistent performance over a programmable
range of gains and wide signal levels, and has a linear-phase
response up to one half of the -3dB frequency. The CLC453’s
internal feedback network provides an excellent gain accuracy
of 0.3%
The CLC453 offers superior dynamic performance with a 110MHz
small-signal bandwidth, 370V/
μ
s slew rate and 4.8ns rise/fall
times (2V
step
). The combination of the small SOT23-5 package,
low quiescent power, high output current drive, and high-speed
performance make the CLC453 well suited for many battery-
powered personal communication/computing systems.
The ability to drive low-impedance, highly capacitive loads,
makes the CLC453 ideal for single ended cable applications. It
also drives low impedance loads with minimum distortion. The
CLC453 will drive a 100
load with only -72/-74dBc second/third
harmonic distortion (A
v
= +2, V
out
= 2V
pp
, f = 1MHz). With a 25
load, and the same conditions, it produces only -65/-77dBc
second/third harmonic distortion. It is also optimized for driving
high currents into single-ended transformers and coils.
When driving the input of high-resolution A/D converters, the
CLC453 provides excellent -65/-84dBc second/third harmonic
distortion (A
v
= +2, V
out
= 2V
pp
, f = 1MHz, R
L
= 1k
) and fast
settling time.
Maximum Output Voltage vs. R
L
O
p
)
R
L
(
)
1
2
3
4
5
6
7
8
9
10
10
100
1000
V
s
= +5V
V
CC
=
±
5V
Comlinear CLC453
Single Supply, Low-Power, High Output,
Programmable Buffer
N
December 1996
C
S
Response After 10m of Cable
1
20ns/div
450 Typ. App. Plot
V
in
= 10MHz, 0.5V
pp
451 Pinout (SOT)
V
inv
V
V
EE
V
o
V
non-inv
1k
1k
+
-
Pinout
SOT23-5
1996 National Semiconductor Corporation
Printed in the U.S.A.
http://www.national.com
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