EL2126CW-T7

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Linear amplifiers are used to amplify the strength of the input signal supplied to them. They are used in a variety of applications, including in the automotive sector, medical industry, audio and video systems, and many others. The EL2126CW-T7 is a low-voltage, single-channel instrumentation OP amp or operational amplifier that is commonly used as a buffer amplifier and for feedback control. In this article, we\'ll explore its application field and working principle.

Application Field

The EL2126CW-T7 is a linear amplifier that can be used in many different industries and applications. The most common applications it is used for include:

• Audio and Video Systems – This linear amplifier is designed to offer a high voltage gain and high temperature stability, making it ideal for audio and video systems.
• Automotive Electronics – Due to its small size and high-performance characteristics, the EL2126CW-T7 can be used as a buffer amplifier in automotive electronics.
• Medical Electronics – It is also used in medical electronics, due to its high EMI resistance and medical-grade certification.
• Instrumentation Applications – The EL2126CW-T7 can be used as a buffer amplifier in instrumentation applications, such as temperature or pressure measurement.

The EL2126CW-T7 linear amplifier is a versatile device that can be used in a variety of applications. It is important to understand its features and applications in order to use it effectively.

Working Principle

The EL2126CW-T7 linear amplifier is a single-channel instrumentation amplifier with low-voltage operation. The circuit uses classic three-op-amp gain topology, which includes two voltage-feedback amplifiers and one unity-gain amplifier as the output stage. The first two op amps serve as buffer amplifiers, while the last one provides the output voltage.

To operate the EL2126CW-T7 linear amplifier, the user needs to provide an input voltage of up to ±10V. The input amplifiers amplify the input voltage and the entire gain is determined by the ratio of two resistor inputs RD, RF, and RI. This ratio is typically between 10 and 100, while the gain accuracy depends on the resistor values. The output voltage can range from 0V to the supply voltage.

The EL2126CW-T7 linear amplifier features low power consumption, high input impedance, and high temperature stability. It also features EMI and RFI protection and is RoHS-compliant and has a medical-grade certification.

Conclusion

The EL2126CW-T7 linear amplifier is a versatile and reliable device, designed for a wide range of applications. It is an ideal choice for automotive electronics, audio and video systems, and instrumentation applications. Its working principle involves a classic three-op-amp gain topology and the output voltage can range from 0V to the supply voltage. Its features include EMI and RFI protection, high temperature stability, RoHS-compliant, and medical-grade certification.

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