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부품번호 | EL2126CS 기능 |
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기능 | Ultra-Low Noise/ Low Power/ Wideband Amplifier | ||
제조업체 | Intersil | ||
로고 | |||
전체 15 페이지수
®
Data Sheet
March 1, 2004
EL2126
FN7046.1
Ultra-Low Noise, Low Power, Wideband
Amplifier
The EL2126 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 EL2126 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 EL2126 is fabricated in Elantec’s proprietary
complementary bipolar process, and is specified for
operation over the full -40°C to +85°C temperature range.
Features
• Voltage noise of only 1.3nV/√Hz
• Current noise of only 1.2pA/√Hz
• 200µV offset voltage
• 100MHz -3dB BW for AV=10
• Very low supply current - 4.7mA
• SOT-23 package
• ±2.5V to ±15V operation
Applications
• Ultrasound input amplifiers
• Wideband instrumentation
• Communication equipment
• AGC & PLL active filters
• Wideband sensors
Ordering Information
PART NUMBER PACKAGE TAPE & REEL PKG. DWG. #
EL2126CW-T7 5-Pin SOT-23 7” (3K pcs)
MDP0038
EL2126CW-T7A 5-Pin SOT-23 7” (250 pcs) MDP0038
EL2126CS
8-Pin SO
- MDP0027
EL2126CS-T7
8-Pin SO
7” MDP0027
EL2126CS-T13 8-Pin SO
13” MDP0027
Pinouts
EL2126
(5-PIN SOT-23)
TOP VIEW
OUT 1
VS- 2
IN+ 3
+-
5 VS+
4 IN-
EL2126
(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. 2004. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc.
All other trademarks mentioned are the property of their respective owners.
EL2126
Electrical Specifications VS+ = +15V, VS- = -15V, TA = 25°C, RF = 180Ω, RG = 20Ω, RL = 500Ω unless otherwise specified. (Continued)
PARAMETER
DESCRIPTION
CONDITIONS
MIN TYP MAX UNIT
IN
HD2
Current Noise Spectral Density
2nd Harmonic Distortion (Note 3)
1.1 pA/√Hz
-72 dBc
HD3
3rd Harmonic Distortion (Note 3)
-73 dBc
NOTES:
1. Measured by moving the supplies from ±13.5V to ±16.5V
2. Pulse test only and using a 10Ω load
3. Frequency = 1MHz, VOUT = 2Vpk-pk, into 500Ω and 5pF load
4
4페이지 Typical Performance Curves (Continued)
EL2126
Non-Inverting Frequency Response for Various CL
10
VS=±5V
RF=150Ω
6 AV=10
RL=500Ω
2
CL=11pF
CL=28pF
CL=16pF
-2 CL=5pF
CL=1pF
-6
-10
1M
10M
Frequency (Hz)
100M
Inverting Frequency Response for Various CL
8
VS=±5V
RF=350Ω
4 RL=500Ω
AV=-10
CL=16pF
CL=28pF
0
CL=11pF
-4 CL=5pF
CL=1.2pF
-8
-12
1M
10M
Frequency (Hz)
100M
Open Loop Gain/Phase
100
Gain
80
60
Phase
40
20
VS=±5V
0
10k 100k
1M 10M
Frequency (Hz)
100M
250
150
50
-50
-150
-250
1G
Non-Inverting Frequency Response for Various CL
10
VS=±15V
RF=180Ω
6 AV=10
RL=500Ω
2
CL=28pF
CL=16pF
CL=11pF
-2 CL=5pF
CL=1.2pF
-6
-10
1M
10M
Frequency (Hz)
100M
Inverting Frequency Response for Various CL
8
VS=±15V
RF=200Ω
4 RL=500Ω
AV=-10
CL=16pF
CL=28pF
0
CLC=L1=11p1Fp
-4 CL=5pF
-8 CL=1.2pF
-12
1M
10M
Frequency (Hz)
Supply Current vs Supply Voltage
100M
0.6/div
0
0 1.5/div
Supply Voltage (V)
7
7페이지 | |||
구 성 | 총 15 페이지수 | ||
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부품번호 | 상세설명 및 기능 | 제조사 |
EL2126C | Ultra-low Noise/ Low Power/ Wideband Amplifier | Elantec |
EL2126CN | Ultra-low Noise/ Low Power/ Wideband Amplifier | Elantec |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |