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CLC450 Fiches technique(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No de pièce CLC450
Description  Single Supply, Low-Power, High Output, Current Feedback Amplifier
Download  12 Pages
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
Logo NSC - National Semiconductor (TI)

CLC450 Fiches technique(HTML) 1 Page - National Semiconductor (TI)

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Features
s
100mA output current
s
1.5mA supply current
s
100MHz bandwidth (Av = +2)
s
-79/-75dBc HD2/HD3 (1MHz)
s
20ns settling to 0.05%
s
280V/
µs slew rate
s
Stable for capacitive loads up to 1000pf
s
Single 5V to ±5V supplies
s
Available in Tiny SOT23-5 package
Applications
s
Coaxial cable driver
s
Twisted pair driver
s
Transformer/Coil Driver
s
High capacitive load driver
s
Video line driver
s
Portable/battery-powered applications
s
A/D driver
VEE
+
-
CLC450
1k
0.1
µF
6.8
µF
Vo
Vin
+5V
3
2
4
7
6
+
1k
5k
5k
0.1
µF
10m of 75
Coaxial Cable
75
0.1
µF
75
0.1
µF
Typical Application
Single Supply Cable Driver
Pinout
DIP & SOIC
General Description
The CLC450 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 consistent performance over a wide range of
gains and signal levels, and has a linear-phase response up to
one half of the -3dB frequency.
The CLC450 offers superior dynamic performance with a
100MHz small-signal bandwidth, 280V/
µs slew rate and 6.1ns
rise/fall times (2Vstep). The combination of low quiescent power,
high output current drive, and high-speed performance make
the CLC450 well suited for many battery-powered personal
communication/computing systems.
The ability to drive low-impedance, highly capacitive loads,
makes the CLC450 ideal for single ended cable applications. It
also drives low impedance loads with minimum distortion. The
CLC450 will drive a 100
Ω load with only -75/-64dBc second/third
harmonic distortion (Av = +2, Vout = 2Vpp, f = 1MHz). With a 25Ω
load, and the same conditions, it produces only -70/-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
CLC450 provides excellent -79/-75dBc second/third harmonic
distortion (Av = +2, Vout = 2Vpp, f = 1MHz, RL = 1kΩ) and fast
settling time.
Available in SOT23-5, the CLC450 is ideal for applications where
space is critical.
Maximum Output Voltage vs. RL
RL (
Ω)
1
2
3
4
5
6
7
8
9
10
10
100
1000
Vs = +5V
VCC = ±5V
CLC450
Single Supply, Low-Power, High Output,
Current Feedback Amplifier
N
June 1999
Response After 10m of Cable
20ns/div
Vin = 10MHz, 0.5Vpp
Vinv
VCC
VEE
Vo
Vnon-inv
Pinout
SOT23-5
© 1999 National Semiconductor Corporation
http://www.national.com
Printed in the U.S.A.


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