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PDF EL2070CN Data sheet ( Hoja de datos )
| Número de pieza | EL2070CN | |
| Descripción | 200MHz Current Feedback Amplifier | |
| Fabricantes | Elantec | |
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EL2070C
200MHz Current Feedback Amplifier
Features
• 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
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
• Photodiode, CCD preamps
• IF processors
• High-speed communications
Ordering Information
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
General Description
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.
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.
Connection Diagrams
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.
1 page  
EL2070C
200MHz Current Feedback Amplifier
Typical Performance Curves
Non-Inverting
Frequency Response
Inverting
Frequency Response
Frequency Response for
Various RLs
Open-Loop Transimpedance
Gain and Phase
2nd and 3rd
Harmonic Distortion
2-Tone 3rd Order
Intermodulation Intercept
Equivalent Input Noise
Power-Supply
Rejection Ratio
Common-Mode
Rejection Ratio
5
5 Page 
EL2070C Macromodel
* Revision A. March 1992
* Enhancements include PSRR, CMRR, and Slew Rate Limiting
* Connections: +input
* | -input
* | | +Vsupply
* | | | -Vsupply
* | | | | output
* |||||
.subckt M2070C 3 2 7 4 6
*
* Input Stage
*
e1 10 0 3 0 1.0
vis 10 9 0V
h2 9 12 vxx 1.0
r1 2 11 50
l1 11 12 48nH
iinp 3 0 8µA
iinm 2 0 8µA
*
* Slew Rate Limiting
*
h1 13 0 vis 600
r2 13 14 1K
d1 14 0 dclamp
d2 0 14 dclamp
*
* High Frequency Pole
*
e2 30 0 14 0 0.00166666666
l3 30 17 0.1µH
c5 17 0 0.1pF
r5 17 0 500
*
* Transimpedance Stage
*
g1 0 18 17 0 1.0
rol 18 0 150K
cdp 18 0 2.8pF
*
* Output Stage
*
q1 4 18 19 qp
q2 7 18 20 qn
q3 7 19 21 qn
q4 4 20 22 qp
r7 21 6 2
r8 22 6 2
ios1 7 19 2.5mA
ios2 20 4 2.5mA
*
* Supply Current
*
ips 7 4 9mA
*
* Error Terms
*
ivos 0 23 5mA
vxx 23 0 0V
e4 24 0 3 0 1.0
e5 25 0 7 0 1.0
11
EL2070C
200MHz Current Feedback Amplifier
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet EL2070CN.PDF ] | |
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