clc436 National Semiconductor Corporation, clc436 Datasheet

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clc436

Manufacturer Part Number
clc436
Description
200mhz, ?15v, Low-power Voltage Feedback Op Amp
Manufacturer
National Semiconductor Corporation
Datasheet
N
Comlinear CLC436
200MHz, ±15V, Low-Power Voltage Feedback Op Amp
General Description
The Comlinear CLC436 is a high-performance, low power,
voltage-feedback operational amplifier that has been designed
for a wide range of low-cost applications. The CLC436 is
specified to operate from dual ±5V to dual ±15V power supplies.
Operating from ±5V supplies, the unity gain stable CLC436
consumes a mere 23mW of power and features a 150MHz
bandwidth and 850V/ s slew rate. Operating from ±15V power
supplies, the CLC436 consumes only 69mW (I
provide a 200MHz unity-gain bandwidth, a very fast 2400V/ s
slew rate and 13ns rise/fall times (5V step). At ±15V, the device
also provides large signal swings (>20V
range and signal-to-noise ratio.
As a low-power NTSC or PAL video line-driver, the CLC436
delivers low differential gain and phase errors (0.2%, 1.2°) and
very high output drive current of 80mA. When used as a video
ADC driver, the CLC436 offers low Total Harmonic Distortion
(THD) and high Spurious Free Dynamic Range (SFDR).
Because of it’s voltage feedback topology, the CLC436
allows use of reactive elements in the feedback path and can
be configured as an excellent active filter for video-
reconstruction DACs.
The CLC436’s combination of low cost and high performance in
addition to its low-power voltage-feedback topology make it a
versatile signal conditioning building block for a wide range
of price-sensitive applications.
© 1996 National Semiconductor Corporation
Printed in the U.S.A.
V
in
3315
R
4
CLC436
-
+
6631
120pF
R
C
State-Variable Filter (1MHz, Q = 5, G = 2)
1
Bandpass
Output
1326
R
Typical Application
2
CLC436
-
+
1326
120pF
R
C
3
Low-pass
Output
pp
500
) to give high dynamic
R
cc
CLC436
-
+
500
= 2.3mA) to
R
DIP & SOIC
Features
Applications
Pinout
2.3mA supply current
200MHz unity-gain bandwidth
2400V/ s slew rate
Unity gain stable
110dB common-mode rejection ratio
80mA drive current
>20V
±5V to ±15V supplies
Video line driver
Video ADC driver
Desktop Multimedia
Low powered cable driver
Video DAC buffer
Active filters/integrators
NTSC & PAL video systems
-10
-15
-20
10
-5
5
0
Frequency Response (A
0.1
pp
Bandpass Output
output swing
Frequency (MHz)
1
v
V
V
R
= +2V/V)
out
cc
L
= 1k
= 15V
= 0.5V
http://www.national.com
10
August 1996
pp

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clc436 Summary of contents

Page 1

... DACs. The CLC436’s combination of low cost and high performance in addition to its low-power voltage-feedback topology make it a versatile signal conditioning building block for a wide range of price-sensitive applications ...

Page 2

... CLC436 Electrical Characteristics PARAMETERS CONDITIONS CLC436AJ FREQUENCY DOMAIN RESPONSE -3dB bandwidth V < 0.5V out V < 0.5V out V < 10V out -3dB bandwidth < 0.5V V out gain flatness V < 0.5V out rolloff DC to 20MHz peaking DC to 10MHz linear phase deviation DC to 10MHz differential gain 4.43MHz, R differential phase 4 ...

Page 3

... CLC436 Typical Performance Characteristics Non-Inverting Frequency Response out - -180 -270 -360 -450 1 10 100 Frequency (MHz) Frequency Response vs. V out A = 2V -90 0.5V pp -180 2V pp -270 5V pp -360 -450 1 10 ...

Page 4

... Figure 2: Large Signal Pulse Response into 50 The high output drive capability of the CLC436 is suitable for driving capacitive loads. When driving a capacitive load or coaxial cable, include a series resistance R to improve stability. Refer to the R s Capacitive Load plot in the typical performance section to determine the recommended resistance for various capacitive loads ...

Page 5

... This technique is shown in the CLC522, Wideband Variable Gain Amplifier, data sheet. Transimpedance Application The low 1.1pA/ Hz input current noise and unity gain stability make the CLC436 useful as a photo diode pre- amplifier. Figure 4 illustrates a transimpedance amplifier. R sets the transimpedance gain. The photodiode current f ...

Page 6

... R 500 1 Figure 5: Instrumentation Amplifier 2nd Order Sallen-Key Band-Pass Filter The CLC436 is well suited for Sallen-Key type active filters. Figure 6 illustrates the band pass topology and design equations. For optimum high frequency performance: • Keep the resistor values between 10 and 1k • ...

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