EL5261IY

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EL5261IY is a high performance, high-precision, low-power monolithic instrumentation amplifier. It is designed for use in a wide range of application fields, including measurement and control, ECG/EEG, pressure sensing, and high-precision industrial and medical instrumentation.

Application Field

The EL5261IY is a two-channel, unity-gain instrumentation amplifier. It provides extremely accurate measurements and can be used for various low-voltage applications, such as in 5V systems. It has a low offset voltage of 7 μV and a low offset drift of 0.27 μV/°C. It is designed to operate over a wide temperature range, from -40°C to +85°C, and can be powered with a single 3.3V voltage supply.

The EL5261IY can be used in a variety of applications, such as ECG and EEG recording, pressure sensing, and 4-20mA current loops. It is also suitable for use in connection with data acquisition and control systems, providing accurate and reliable measurements. The amplifier has an input range of ±2.5V and an output range of 2.2V to 3.3V.

Working Principle

The EL5261IY operates as a two-channel, unity-gain instrumentation amplifier. It consists of two independent, low-noise operational amplifiers and an external precision resistor network. The two amplifiers provide differential gain and the external resistor network gives the EL5261IY its unity-gain characteristics. The amplifier uses a proprietary temperature compensation technique to maintain its high accuracy over a wide temperature range.

The EL5261IY is designed to provide accurate and reliable measurements, with a typical input noise of 0.5 nV/√Hz. The amplifier also features an offset voltage of 7 μV and an offset drift of 0.27 μV/°C. The offset drift is reduced due to the harmonic distortion cancellation effect of the low-noise internal circuitry. The amplifier also features a wide supply voltage range, operating from 2.7V to 5.5V.

The EL5261IY can be used in various applications, thanks to its low-noise operation and its wide temperature range. It is also suitable for use in 5V systems, providing accurate and reliable measurements with low offset voltages and offset drifts.

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