INA2126EA/250G4

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INA2126EA/250G4 is a low noise, high accuracy, high gain amplifier device manufactured by Texas Instruments. It is suitable for a wide range of uses, particularly in instrumentation applications such as medical electronics, industrial process control, and data acquisition. The device is designed for single supply operation and offers a high gain bandwidth product of over 25MHz.

Applications

The INA2126EA/250G4 is a low noise instrumentation amplifier that is ideal for applications in medical electronics, industrial process control, and data acquisition. The device can be used for sensing small signals in wide dynamic range systems, and offers excellent accuracy and precision as well as low noise performance. It can be used to amplify signals from transducers such as pressure sensors, microphones, biopotential electrodes and ultrasonic transducers. The device is also suitable for use in low power transmitting and receiving systems such as RFID, Bluetooth and Wi-Fi, where low noise is an essential requirement.

Working Principle

The INA2126EA/250G4 is a low noise instrumentation amplifier that utilizes a three-module architecture to boost low-level signals with minimal noise. The device consists of two high gain, wide bandwidth amplifiers and a low noise, low power differential amplifier. The high gain amplifiers serve to amplify the small input signal while the differential amplifier provides the low noise, low power operation required for accurate signal measurement. The amplifiers are connected in series to provide gain bandwidth product of over 25MHz.

The two high gain amplifiers provide the gain for the input signal and the differential amplifier acts as a buffer to reduce noise. The differential amplifier modifies the input signal by removing any offsets created by the two other amplifiers and then feeds the modified signal to the low noise amplifier. The low noise amplifier then amplifies the signal to the required level. This arrangement provides high accuracy in the presence of noise and offsets, allowing the device to be used in a wide range of applications.

Conclusion

The INA2126EA/250G4 is a low noise, high accuracy, high gain amplifier device suitable for a wide range applications, particularly in instrumentation applications such as medical electronics, industrial process control and data acquisition. The device utilizes a three-module architecture to boost low-level signals with minimal noise. It offers excellent accuracy and precision as well as low noise performance and high gain bandwidth product of over 25MHz. With its wide range of features, the INA2126EA/250G4 is an ideal choice for a variety of applications requiring low noise, high accuracy and high gain amplifiers.

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