EL2126

® EL2126 Data Sheet March 1, 2004 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 EL2126CW-T7 EL2126CW-T7A EL2126CS EL2126CS-T7 EL2126CS-T13 PACKAGE 5-Pin SOT-23 5-Pin SOT-23 8-Pin SO 8-Pin S...