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PDF EL2126CS Data sheet ( Hoja de datos )
| Número de pieza | EL2126CS | |
| Descripción | Ultra-low Noise/ Low Power/ Wideband Amplifier | |
| Fabricantes | Elantec | |
| Logotipo |  |
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EL2126C - Preliminary
Ultra-low Noise, Low Power, Wideband Amplifier
Features
• Voltage noise of only 1.3nV/√Hz
• Current noise of only 1.2pA/√Hz
• Low offset voltage ≤200µV
• 90MHz -3dB BW for AV=10
• Very low supply current -4.7mA
• SOT23 package
• ±5V to ±15V operation
Applications
• Ultrasound input amplifiers
• Wideband instrumentation
• Communication equipment
• AGC & PLL active filters
• Wideband sensors
Ordering Information
Part No
EL2126CW
EL2126CS
EL2126CN
Package
5-Pin SOT23
8-Pin SO
8-Pin PDIP
Tape & Reel
Outline #
MDP0038
MDP0027
MDP0031
General Description
The EL2126C is an ultra-low noise, wideband amplifier that runs on
half the supply current of competitive parts. It is intended for use in
systems such as ultrasound imaging where a very small signal needs to
be amplified by a large amount without adding significant noise. Its
low power dissipation enables it to be packaged in the tiny SOT23
package, which further helps systems where many input channels cre-
ate both space and power dissipation problems.
The EL2126C is stable for gains of 10 and greater and uses traditional
voltage feedback. This allows the use of reactive elements in the feed-
back loop, a common requirement for many filter topologies. It
operates from ±5V to ±15V supplies and is available in a 5-pin SOT23
package and 8-pin SO and 8-pin PDIP packages.
The EL2126C is fabricated in Elantec’s proprietary complementary
bipolar process, and is specified for operation over the full -40°C to
+85°C temperature range.
Connection Diagrams
OUT 1
5 VS+
VS- 2
+-
IN+ 3
4 IN-
EL2126C
(5-Pin SOT23)
NC 1
8 NC
IN- 2
IN+ 3
-
+
7 VS+
6 OUT
VS- 4
5 NC
EL2126C
(8-Pin SO and 8-Pin PDIP)
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  
EL2126C - Preliminary
Ultra-low Noise, Low Power, Wideband Amplifier
Typical Performance Curves
Non-Inverting Frequency Response for Various RF
10
VS=±5V
6
AV=10
CL=5pF
RL=500Ω
RF=500Ω
RF=1kΩ
2
-2 RF=180Ω
-6 RF=100Ω
-10
1M
10M
Frequency (Hz)
100M
Inverting Frequency Response for Various RF
8
VS=±5V
4
AV=-10
CL=5pF
RL=500Ω
RF=500Ω
RF=350Ω
RF=1kΩ
0
-4 RF=200Ω
RF=100Ω
-8
-12
1M
10M
Frequency (Hz)
100M
Non-Inverting Frequency Response for Various Gain
10
VS=±5V
6
RG=20Ω
RL=500Ω
CL=5pF
2
AV=10
-2 AV=20
AV=50
-6
-10
1M
10M
Frequency (Hz)
100M
5
Non-Inverting Frequency Response for Various RF
10
VS=±15V
6
AV=10
CL=5pF
RL=500Ω
RF=1kΩ
RF=500Ω
2
-2 RF=180Ω
RF=100Ω
-6
-10
1M
10M
Frequency (Hz)
100M
Inverting Frequency Response for Various RF
8
VS=±15V
4
AV=-10
CL=5pF
RL=500Ω
0
RF=1kΩ
RF=500Ω
RF=350Ω
-4 RF=200Ω
RF=100Ω
-8
-12
1M
10M
Frequency (Hz)
100M
Non-Inverting Frequency Response for Various Gain
10
VS=±15V
6
RG=20Ω
RL=500Ω
CL=5pF
2
AV=10
-2 AV=20
AV=50
-6
-10
1M
10M
Frequency (Hz)
100M
5 Page 
EL2126C - Preliminary
Ultra-low Noise, Low Power, Wideband Amplifier
General Disclaimer
Specifications contained in this data sheet are in effect as of the publication date shown. Elantec, Inc. reserves the right to make changes in the cir-
cuitry or specifications contained herein at any time without notice. Elantec, Inc. assumes no responsibility for the use of any circuits described
herein and makes no representations that they are free from patent infringement.
Elantec Semiconductor, Inc.
675 Trade Zone Blvd.
Milpitas, CA 95035
Telephone: (408) 945-1323
(888) ELANTEC
Fax: (408) 945-9305
European Office: +44-118-977-6020
Japan Technical Center: +81-45-682-5820
WARNING - Life Support Policy
Elantec, Inc. products are not authorized for and should not be used
within Life Support Systems without the specific written consent of
Elantec, Inc. Life Support systems are equipment intended to sup-
port or sustain life and whose failure to perform when properly used
in accordance with instructions provided can be reasonably
expected to result in significant personal injury or death. Users con-
templating application of Elantec, Inc. Products in Life Support
Systems are requested to contact Elantec, Inc. factory headquarters
to establish suitable terms & conditions for these applications. Elan-
tec, Inc.’s warranty is limited to replacement of defective
components and does not cover injury to persons or property or
other consequential damages.
11 Printed in U.S.A.
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet EL2126CS.PDF ] | |
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