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EL2120 Schematic ( PDF Datasheet ) - Intersil

Teilenummer EL2120
Beschreibung 100MHz Current Feedback Amplifier
Hersteller Intersil
Logo Intersil Logo 




Gesamt 12 Seiten
EL2120 Datasheet, Funktion
®
Data Sheet
January 1996, Rev E
EL2120
FN7044
100MHz Current Feedback Amplifier
The EL2120 is a wideband current
feedback amplifier optimized for video
performance. Its 0.01% differential
gain and 0.03 degree differential phase performance when
at ±5V supplies exceeds the performance of other amplifiers
running on ±15V supplies. Operating on ±8 to ±15V supplies
reduces distortions to 0.01% and 0.01 degrees and below.
The EL2120 can operate with supplies as low as ±2.5V or a
single +5V supply.
Being a current feedback design, bandwidth is a relatively
constant 100MHz over the ±1 to ±10 gain range. The
EL2120 has been optimized for flat gain over frequency and
all characteristics are maintained at positive unity gain.
Because the input slew rate is similar to the 700V/µs output
slew rate the part makes an excellent high-speed buffer.
The EL2120 has a superior output disable function. Time to
enable or disable is 50ns and does not change markedly
with temperature. Furthermore, in disable mode the output
does not draw excessive currents when driven with
1000V/µs slew rates. The output appears as a 3pF load
when disabled.
Simplified Schematic
Features
• Excellent differential gain and phase on ±5V to ±15V
supplies
• 100MHz -3dB bandwidth from gains of ±1 to ±10
• 700V/µs slew rate
• 0.1dB flatness to 20MHz
• Output disable in 50ns - remains high impedance even
when driven with large slew rates
• Single +5V 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
NUMBER TEMP. RANGE
EL2120CN 0°C to +75°C
EL2120CS 0°C to +75°C
PACKAGE
8-Pin PDIP
8-Pin SO
Pinouts
PKG. NO.
MDP0031
MDP0027
EL2120
(8-PIN PDIP)
TOP VIEW
EL2120
(8-PIN SO)
TOP VIEW
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2003. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc.
All other trademarks mentioned are the property of their respective owners.






EL2120 Datasheet, Funktion
EL2120
Typical Performance Curves (Continued)
Undistorted Output
Swing vs Frequency
Slew Rate vs Temperature
Small-Signal Transient Response
Large-Signal Transient Response
at 30MHz
AV = +2, RF = RG = 270,
RL = 150
Settling Time vs Swing
AV = +2, RF = RG = 270,
RL = 150, VS = ±15V
Long Term Settling Error
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EL2120 pdf, datenblatt
The EL2120 Macromodel (Continued)
EL2120
All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems.
Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without
notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result
from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see www.intersil.com
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