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參數(shù)資料
| 型號： | CLC451 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Single Supply, Low-Power, High Output, Programmable Buffer |
| 中文描述： | 單電源，低功耗，高輸出，可編程緩沖區(qū) |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 252K |
| 代理商： | CLC451 |
Features
I
100mA output current
I
1.5mA supply current
I
85MHz bandwidth (A
v
= +2)
I
-66/-75dBc HD2/HD3 (1MHz)
I
25ns settling to 0.05%
I
260V/
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
V
EE
1k
1k
0.1
μ
F
6.8
μ
F
+
V
in
5k
5k
0.1
μ
F
+5V
+5V
1
CLC451
7
6
8
5
3
4
2
1k
1k
0.1
μ
F
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 CLC451 is a low cost, high speed (85MHz) 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 (1.5mA) from a
single 5V supply. Its current feedback architecture, fabricated in
an advanced complementary bipolar process, maintains consis-
tent 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 CLC451’s internal feedback network
provides an excellent gain accuracy of 0.3%
The CLC451 offers superior dynamic performance with a 85MHz
small-signal bandwidth, 260V/
μ
s slew rate and 6.5ns 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 CLC451 well suited for many battery-
powered personal communication/computing systems.
The ability to drive low-impedance, highly capacitive loads,
makes the CLC451 ideal for single ended cable applications. It
also drives low impedance loads with minimum distortion. The
CLC451 will drive a 100
load with only -78/-65dBc second/third
harmonic distortion (A
v
= +2, V
out
= 2V
pp
, f = 1MHz). With a 25
load, and the same conditions, it produces only -55/-60dBc sec-
ond/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
CLC451 provides excellent -66/-75dBc 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
CLC451
Single Supply, Low-Power, High Output,
Programmable Buffer
N
June 1999
C
S
Response After 10m of Cable
1
20ns/div
V
in
= 10MHz, 0.5V
pp
V
inv
V
CC
V
EE
V
o
V
non-inv
1k
1k
+
-
Pinout
SOT23-5
1999 National Semiconductor Corporation
Printed in the U.S.A.
http://www.national.com
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| CLC451AJ | Single Supply, Low-Power, High Output, Programmable Buffer |
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| CLC452AJ | Single Supply, Low-Power, High Output, Current Feedback Amplifier |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CLC451AJ | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Single Supply, Low-Power, High Output, Programmable Buffer |
| CLC451AJE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IC-SM-PROG BUFFER |
| CLC451AJM5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IC-SM PROG BUFFER |
| CLC451AJP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IC-PROG BUFFER |
| CLC452 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Single Supply, Low-Power, High Output, Current Feedback Amplifier |
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