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EL2120CS fiches techniques PDF

Elantec - 100 MHz Current Feedback Amplifier

Numéro de référence EL2120CS
Description 100 MHz Current Feedback Amplifier
Fabricant Elantec 
Logo Elantec 





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EL2120CS fiche technique
EL2120C
100 MHz Current Feedback Amplifier
Features
 Excellent differential gain and
phase on g5V to g15V supplies
 100 MHz b3 dB bandwidth from
gains of g1 to g10
 700 V ms slew rate
 0 1 dB flatness to 20 MHz
 Output disable in 50 ns - remains
high impedance even when
driven with large slew rates
 Single a5V supply operation
 AC characteristics are lot and
temperature stable
 Available in small SO-8 package
Applications
 Video gain block
 Residue amplifier
 Multiplexer
 Current to voltage converter
 Coax cable driver with gain of 2
 ADC driver
Ordering Information
Part No Temp Range Package Outline
EL2120CN 0 C to a75 C 8-Pin P-DIP MDP0031
EL2120CS 0 C to a75 C 8-Lead SO MDP0027
Connection Diagrams
P-DIP
General Description
The EL2120C is a wideband current feedback amplifier opti-
mized for video performance Its 0 01% differential gain and
0 03 degree differential phase performance when at g5V sup-
plies exceeds the performance of other amplifiers running on
g15V supplies Operating on g8 to g15V supplies reduces dis-
tortions to 0 01% and 0 01 degrees and below The EL2120C can
operate with supplies as low as g2 5V or a single a5V supply
Being a current feedback design bandwidth is a relatively con-
stant 100 MHz over the g1 to g10 gain range The EL2120C
has been optimized for flat gain over frequency and all charac-
teristics are maintained at positive unity gain Because the in-
put slew rate is similar to the 700 V ms output slew rate the
part makes an excellent high-speed buffer
The EL2120C has a superior output disable function Time to
enable or disable is 50 ns and does not change markedly with
temperature Furthermore in disable mode the output does not
draw excessive currents when driven with 1000 V ms slew rates
The output appears as a 3 pF load when disabled
Simplified Schematic
SO
2120 – 1
2120 – 21
Top View
2120 – 2
Note All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication however this data sheet cannot be a ‘‘controlled document’’ Current revisions if any to these
specifications are maintained at the factory and are available upon your request We recommend checking the revision level before finalization of your design documentation
1991 Elantec Inc

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