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PDF EL2125 Data sheet ( Hoja de datos )
| Número de pieza | EL2125 | |
| Descripción | Ultra-Low Noise/ Low Power/ Wideband Amplifier | |
| Fabricantes | Intersil | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de EL2125 (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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®
Data Sheet
November 21, 2003
EL2125
FN7045.1
Ultra-Low Noise, Low Power, Wideband
Amplifier
The EL2125 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 SOT-23
package, which further helps systems where many input
channels create both space and power dissipation problems.
The EL2125 is stable for gains of 10 and greater and uses
traditional voltage feedback. This allows the use of reactive
elements in the feedback loop, a common requirement for
many filter topologies. It operates from ±2.5V to ±15V
supplies and is available in the 5-pin SOT-23 and 8-pin SO
packages.
The EL2125 is fabricated using Elantec’s proprietary
complementary bipolar process, and is specified for
operation from -45°C to +85°C.
Pinouts
EL2125
(5-PIN SOT-23)
TOP VIEW
OUT 1
5 VS+
VS- 2
+-
IN+ 3
4 IN-
Features
• Voltage noise of only 0.83nV/√Hz
• Current noise of only 2.4pA/√Hz
• 200µV offset voltage
• 175MHz -3dB BW for AV = 10
• Low supply current - 10mA
• SOT-23 package available
• ±2.5V to ±15V operation
Applications
• Ultrasound input amplifiers
• Wideband instrumentation
• Communication equipment
• AGC & PLL active filters
• Wideband sensors
Ordering Information
PART NUMBER
EL2125CW-T7
EL2125CS
EL2125CS-T7
EL2125CS-T13
PACKAGE
5-Pin SOT-23
8-Pin SO
8-Pin SO
8-Pin SO
TAPE &
REEL
7”
-
7”
13”
PKG. DWG. #
MDP0038
MDP0027
MDP0027
MDP0027
EL2125
(8-PIN SO)
TOP VIEW
NC 1
IN- 2
IN+ 3
VS- 4
-
+
8 NC
7 VS+
6 OUT
5 NC
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.
1 page  
Typical Performance Curves (Continued)
EL2125
5
VS=±5V
RL=500Ω
CL=5pF
RG=20Ω
0
AV=50
AV=10
AV=20
-5
1M
10M
100M 200M
FREQUENCY (Hz)
FIGURE 5. NON-INVERTING FREQUENCY RESPONSE vs GAIN
5
VS=±15V
RL=500Ω
CL=5pF
RF=700Ω
0
AV=50
AV=10
AV=20
-5
1M
10M
100M 200M
FREQUENCY (Hz)
FIGURE 6. NON-INVERTING FREQUENCY RESPONSE FOR
VARIOUS GAIN
6
2 AV=-10
-2
AV=-50
-6
VS=±5V
-10 RL=500Ω
CL=5pF
RG=35Ω
-14
1M
AV=-20
10M
100M
FREQUENCY (Hz)
300M
FIGURE 7. INVERTING FREQUENCY RESPONSE vs GAIN
6
AV=-10
0
AV=-50
AV=-20
VS=±15V
RL=500Ω
CL=5pF
RG=50Ω
-14
1M
10M
FREQUENCY (Hz)
100M
300M
FIGURE 8. INVERTING FREQUENCY RESPONSE vs GAIN
5
VS=±5V
AV=10
RF=180Ω
RL= 500Ω
CL=5pF
0
-5
1M
30mVPP
500mVPP
4VPP
2VPP
1VPP
10M
FREQUENCY (Hz)
100M 200M
FIGURE 9. NON-INVERTING FREQUENCY RESPONSE FOR
VARIOUS OUTPUT SIGNAL LEVELS
6
3mVPP
500mVPP
250mVPP
0
3.3VPP
VS=±5V
AV=-10
RF=350Ω
RL= 500Ω
CL=5pF
-14
1M
2.5VPP
1VPP
10M
FREQUENCY (Hz)
100M
300M
FIGURE 10. INVERTING FREQUENCY RESPONSE FOR
VARIOUS OUTPUT SIGNAL LEVELS
5
5 Page 
Typical Performance Curves (Continued)
EL2125
13.6
13.5
VS=±15V
13.4
-50
0 50 100
DIE TEMPERATURE (°C)
150
FIGURE 41. POSITIVE OUTPUT SWING vs TEMPERATURE
-9.75
-9.8
-9.85
-9.9
-9.95
-50
VS=±5V
0 50 100
DIE TEMPERATURE (°C)
150
FIGURE 42. NEGATIVE OUTPUT SWING vs TEMPERATURE
-13.4
-13.5
-13.6
VS=±15V
-13.7
-50
0 50 100
DIE TEMPERATURE (°C)
150
FIGURE 43. NEGATIVE OUTPUT SWING vs TEMPERATURE
-3.42
-3.44
-3.46
-3.48
-3.5
-3.52
-50
VS=±5V
0 50 100
DIE TEMPERATURE (°C)
150
FIGURE 44. LOADED NEGATIVE OUTPUT SWING vs
TEMPERATURE
-9.6
-9.8
-10
-10.2
-10.4
-10.6
-10.8
-50
VS=±15V
0 50 100
DIE TEMPERATURE (°C)
150
FIGURE 45. NEGATIVE OUTPUT SWING vs TEMPERATURE
3.35
3.3
VS=±5V
3.25
-50
0 50 100
DIE TEMPERATURE (°C)
150
FIGURE 46. LOADED POSITIVE OUTPUT SWING vs
TEMPEARTURE
11
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet EL2125.PDF ] | |
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