EL2009CT 데이터 시트보기 (PDF) - Elantec -> Intersil
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EL2009CT Datasheet PDF : 8 Pages
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EL2009C
90 MHz 1 Amp Buffer Amplifier
Electrical Characteristics VS e g15V RS e 50X unless otherwise specified Contd
Parameter
Description
VSa VSb
Supply Sensitivity
(Note 5)
Test Conditions
VIN
Load Temp
%
25 C
Limits
Min Typ Max
2
Test
Level
I
Units
mV V
SR1
Slew Rate
(Note 6)
g10V
50X
25 C
10X
3000
2500
V
V ms
SR2
Slew Rate
(Note 7)
g5V
10X
25 C
1250
V
V ms
tr tf
Rise Fall Time
100 mV 10X
25 C
7
BW
b3 dB Bandwidth
100 mV 10X
25 C
90
V
ns
V
MHz
CIN
THD
Input Capacitance
Total Harmonic Distortion
25 C
25 C
25
V
pF
1
I
%
Note 1 If the input exceeds the ratings shown (or the supplies) or if the input voltage exceeds g7 5V then the input current must be
limited to g50 mA
Note 2 The maximum power dissipation depends on package type ambient temperature and heat sinking See the characteristic
curves for more details
Note 3 Force the input to a12V and the output to a10V and measure the output current Repeat with b12V input and b10V on
the output
Note 4 VS e g4 5V then VS is changed to g18V
Note 5 VSa e a15V VSb e 4 5V then VSb is changed to b18V and VSb e b15V VSa e a4 5V then VSa is changed to
a18V
Note 6 Slew Rate is measured between VOUT e a5V and b5V
Note 7 Slew Rate is measured between VOUT e a2 5V and b2 5V
Voltage Gain and
Phase vs Frequency
Active operating area
Active operating area
2009 – 4
Applications Information
The EL2009 is a higher bandwidth of the
EL2008 It is recommended that you read the
EL2008 application section
Video Distribution Amplifier
The EL2009 can drive 15 double matched 75X
cables If the EL2009 is used within an op amp
feedback loop the output levels are independent
of loading The circuit below accepts 1 of 2 inputs
2009 – 5
2009 – 6
and drives 15 cables Pin 8 of the EL2020 (Dis-
able) is used to multiplex between the inputs and
can be easily expanded to accept more inputs
The circuit as shown when fully loaded has dif-
ferential phase k0 1 and differential gain
k0 1% The 100X resistor at the EL2009 input
(R1) is necessary to stabilize the loop The
EL2009 operates with a CLASS AB output which
exhibits a slight rise in output impedance when-
3
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