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參數(shù)資料
| 型號： | EL2120CS |
| 元件分類： | 運算放大器 |
| 英文描述： | 100 MHz Current Feedback Amplifier |
| 中文描述： | 100 MHz電流反饋放大器 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 354K |
| 代理商： | EL2120CS |
EL2120C
January
1996
Rev
E
EL2120C
100 MHz Current Feedback Amplifier
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
Features
Excellent differential gain and
phase on g5V to g15V supplies
100 MHz b3 dB bandwidth from
gains of g1to g10
700 V ms slew rate
01 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 Cto a75 C
8-Pin P-DIP
MDP0031
EL2120CS
0 Cto a75 C
8-Lead SO
MDP0027
Connection Diagrams
P-DIP
2120 – 1
SO
2120 – 2
Top View
General Description
The EL2120C is a wideband current feedback amplifier opti-
mized for video performance Its 001% differential gain and
003 degree differential phase performance when at g5V sup-
plies exceeds the performance of other amplifiers running on
g
15V supplies Operating on g8to g15V supplies reduces dis-
tortions to 001% and 001 degrees and below The EL2120C can
operate with supplies as low as g25V or a single a5V supply
Being a current feedback design bandwidth is a relatively con-
stant 100 MHz over the g1to 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 asa3pF load when disabled
Simplified Schematic
2120 – 21
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