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PDF EL2270 Data sheet ( Hoja de datos )
| Número de pieza | EL2270 | |
| Descripción | 70MHz/1mA Current Mode Feedback Amplifiers | |
| Fabricantes | Intersil Corporation | |
| Logotipo |  |
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®
Data Sheet
July 13, 2004
EL2270
FN7053.1
70MHz/1mA Current Mode Feedback
Amplifiers
The EL2270 is a dual current-feedback
operational amplifiers which achieves
a -3dB bandwidth of 70MHz at a gain
of +1 while consuming only 1mA of supply current per
amplifier. It will operate with dual supplies ranging from
±1.5V to ±6V, or from single supplies ranging from +3V to
+12V. In spite of its low supply current, the EL2270 can
output 55mA while swinging to ±4V on ±5V supplies. These
attributes make the EL2270 an excellent choice for low
power and/or low voltage cable-driver, HDSL, or RGB
applications.
For applications where board space is extremely critical. The
EL2270 is available in industry standard pinouts in SO
package.
For single and dual applications with disable, consider the
EL2176 (8-pin single) or EL2276 (14-pin dual). For higher
speed applications where power is still a concern, consider
the EL2180/EL2186 family which also comes in similar
single, dual, triple and quad configurations. The
EL2180/EL2186 family provides a -3dB bandwidth of
250MHz while consuming 3mA of supply current per
amplifier.
Ordering Information
PART
NUMBER
PACKAGE TAPE & REEL PKG. DWG. #
EL2270CS
8-Pin SO
- MDP0027
EL2270CS-T7
8-Pin SO
7” MDP0027
EL2270CS-T13 8-Pin SO
13” MDP0027
EL2270CSZ
(See Note)
8-Pin SO
(Pb-free)
- MDP0027
EL2270CSZ-T7
(See Note)
8-Pin SO
(Pb-free)
7” MDP0027
EL2270CSZ-
T13 (See Note)
8-Pin SO
(Pb-free)
13” MDP0027
NOTE: Intersil Pb-free products employ special Pb-free material
sets; molding compounds/die attach materials and 100% matte tin
plate termination finish, which is compatible with both SnPb and
Pb-free soldering operations. Intersil Pb-free products are MSL
classified at Pb-free peak reflow temperatures that meet or exceed
the Pb-free requirements of IPC/JEDEC J Std-020B.
Features
• Dual topologies
• 1mA supply current (per amplifier)
• 70MHz -3dB bandwidth
• Low cost
• Single- and dual-supply operation down to ±1.5V
• 0.15%/0.15° diff. gain/diff. phase into 150Ω
• 800V/µs slew rate
• Large output drive current - 55mA
• Also available with disable in single (EL2176) & dual
(EL2276)
• Higher speed EL2180/EL2186 family available
(3mA/250MHz) in single, dual, and quad
• Pb-free available
Applications
• Low power/battery applications
• HDSL amplifiers
• Video amplifiers
• Cable drivers
• RGB amplifiers
• Test equipment amplifiers
• Current to voltage converters
Pinout
EL2270
(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 © 2002 Elantec Semiconductor, Inc. 2002-2004 Intersil Americas Inc. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc.
All other trademarks mentioned are the property of their respective owners.
1 page  
Typical Performance Curves (Continued)
EL2270
Voltage and Current
Noise vs Frequency
2nd and 3rd Harmonic
Distortion vs Frequency
FOutput Voltage
vs Frequency
-3dB Bandwidth and Peaking
vs Supply Voltage for
Various Non-Inverting Gains
-3dB Bandwidth and Peaking
vs Supply Voltage for
Various Inverting Gains
Output Voltage Swing
vs Supply Voltage
Supply Current vs
Supply Voltage
Common-Mode Input Range
vs Supply Voltage
Slew Rate vs
Supply Voltage
5
5 Page 
EL2270 Macromodel
* Revision A, March 1995
* AC characteristics used Rf=Rg=1KΩ,RL=150Ω
* Connections: +input
* | -input
* | | +Vsupply
* | | | -Vsupply
* | | | | output
* | ||||
.subckt EL2170/el 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 11 165
l1 11 12 25nH*
iinp 3 0 0.5uA
iinm 2 0 4uA*
r12 3 0 4Meg
*
* 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 0.5uH
c5 17 0 0.69pF
r5 17 0 300
*
* Transimpedance Stage
*
g1 0 18 17 0 1.0
rol 18 0 400K
cdp 18 0 1.9pF
*
* 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 4
r8 22 6 4
ios1 7 19 0.4mA
ios2 20 4 0.4mA
* Supply Current
ips 7 4 1nA
*
* Error Terms
*
ivos 0 23 2mA
vxx 23 0 0V
e4 24 0 3 0 1.0
11
EL2270
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet EL2270.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| EL2270 | 70MHz/1mA Current Mode Feedback Amplifiers | Intersil Corporation |
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| EL2270CS | 70 MHz/1 mA Current Mode Feedback Amplifiers | Elantec Semiconductor |
| EL2270CS | 70MHz/1mA Current Mode Feedback Amplifiers | Intersil Corporation |
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