2126CS データシートの表示（PDF） - Renesas Electronics
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2126CS Datasheet PDF : 19 Pages
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EL2126
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 Ld SOT-23 and 8 Ld 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.
Pinouts
EL2126
(5 LD SOT-23)
TOP VIEW
OUT 1
5 VS+
VS- 2
IN+ 3
+-
4 IN-
EL2126
(8 LD SOIC)
TOP VIEW
NC 1
8 NC
IN- 2
-
+
IN+ 3
7 VS+
6 OUT
VS- 4
5 NC
DATASHEET
FN7046
Rev 4.00
May 2, 2007
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
• Pb-free plus anneal available (RoHS compliant)
Applications
• Ultrasound input amplifiers
• Wideband instrumentation
• Communication equipment
• AGC and PLL active filters
• Wideband sensors
FN7046 Rev 4.00
May 2, 2007
Page 1 of 19
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