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EL5166IWZ-T7 application field and working principle

The EL5166IWZ-T7 is a low-noise precision operational amplifier from the Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps family.

This op-amp offers low-input bias current, low offset voltage, good common-mode rejection ratio, high gain accuracy and high slew rate. It has low a power consumption. The device is unity-gain stable and is available in the SOT-23-5 package. The EL5166IWZ-T7 can operate from various power supply sources, single +5V to ±5V.

Application fields

The EL5166IWZ-T7 op-amp is suitable for a wide range of applications, used in portable equipments and instrumentations. Typical applications are measurement and control, data gathering, sensor input amplification and conditioning applications. Its wide supply range make it suitable for applications such as power supply line regulation, current sensing and floating amplifiers. It is also used in medical instrumentations. Additionally, it shows high performance in integrated analog filters and audio amplifiers. This chip is usually implemented in filtered continuous-time filters where a high speed amplifier is needed.

Working principle

The EL5166IWZ-T7 is a high-performance amplifier, based on a conventional design concept. It combines an ultra-low-power CMOS input buffer stage to provide a high impedance for the input voltage nodes, with a portion of the amplifier loop. Also, the device can keep constant gain and non-inverting output polarity over a wide temperature range. Additionally, it has an excellent common-mode rejection ratio and input bias current over a wide temperature.

The working principle is based on a voltage differential amplifier configuration. It features two high-impedance input ranges to sense the input voltage, which are selected by an internal gain switch. The voltage output of the amplifier is obtained by amplifying the differential voltage between the two voltage nodes. The open-loop gains of the EL5166IWZ-T7 op-amp are only slightly proportional to supply voltage, thus providing a wide dynamic range.

The EL5166IWZ-T7 amplifier also offers several operating configurations, including single-ended and differential input/output orientations(s). Its supply voltage and output voltage ranges can be adjusted by the user to get best results for the application.

Overall, the EL5166IWZ-T7 is a high-performance low-noise precision op-amp with numerous benefits.

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