EL2070C
200MHz Current Feedback Amplifier
Features
General Description
• 200MHz -3dB bandwidth, AV = 2
• Disable/enable
• 12ns settling to 0.05%
• VS = ±5V @ 15mA
• Low distortion: HD2, HD3 @ -----
-60dBc at 20MHz
• Differential gain 0.02% at NTSC,
PAL
• Differential phase 0.01° at NTSC,
PAL
• Overload/short-circuit protected
• ±1 to ±8 closed-loop gain range
• Low cost
The EL2070C is a wide bandwidth, fast settling monolithic amplifier
incorporating a disable/enable feature. Built using an advanced com-
plementary bipolar process, this amplifier uses current-mode feedback
to achieve more bandwidth at a given gain than conventional opera-
tional amplifiers. Designed for closed-loop gains of ±1 to ±8, the
EL2070C has a 200MHz -3dB bandwidth (AV = +2), and 12ns settling
to 0.05% while consuming only 15mA of supply current. Furthermore,
the fast disable/enable times of 200ns/100ns allow rapid analog
multiplexing.
The EL2070C is an obvious high-performance solution for video dis-
tribution and line-driving applications, especially when its disable
feature can be used for fast analog multiplexing. Furthermore, the low
15mA supply current, and the very low 5mA of supply current when
disabled suggest use in systems where power is critical. With differen-
tial gain/phase of 0.02%/0.01°, guaranteed video specifications, and a
minimum 50mA output drive, performance in these areas is assured.
Applications
• Video gain block
• Video distribution
• HDTV amplifier
• Analog multiplexing (using
disable)
• Power-down mode (using disable)
• High-speed A/D conversion
• D/A I-V conversion
The EL2070C's settling to 0.05% in 12ns, low distortion, and ability to
drive capacitive loads make it an ideal flash A/D driver. The wide
200MHz bandwidth and extremely linear phase allow unmatched sig-
nal fidelity. D/A systems can also benefit from the EL2070C,
especially if linearity and drive levels are important.
• Photodiode, CCD preamps
• IF processors
• High-speed communications
Ordering Information
Connection Diagrams
Part No.
EL2070CN
EL2070CS
Temp. Range
-40°C to +85°C
-40°C to +85°C
Package
8-Pin P-DIP
8-Lead SO
Outline #
MDP0031
MDP0027
DIP and SO Package - Top VIew
Manufactured under U.S. Patent No. 4,893,091
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.
© 2001 Elantec Semiconductor, Inc.
ELANTEC [ ELANTEC SEMICONDUCTOR ]
