INA128UA

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The INA128UA is a linear instrumentation amplifier based on a single op-amp design that offers excellent performance characteristics. The device is a high precision, low cost, differential amplifier with two inputs and one output. The gain is adjustable with a variable resistor and the output is unity gain stable. It is designed to provide low noise, low drift, low power and low distortion for precision applications.

The INA128UA is suitable for use in a variety of signal conditioning applications, including signal conditioning from transducers, multiplexers, signal switching and signal conditioning from field transducers. It is also used in audio power amplifiers, audio signal processing and precision instrumentation applications.

The INA128UA has a low input bias current, high CMRR and low noise. This, coupled with its wide bandwidth and low distortion make it an ideal choice for precision differential signal conditioning, as well as making it suitable for high dynamic range and low distortion applications. The device is also capable of providing accurate gain and offset control, as well as providing consistent performance over a wide range of temperatures.

The INA128UA is a simple one-op-amp design and is based on the classic op-amp differential amplifier topology. It consists of an input differential amplifier, a variable resistor and a current-feedback amplifier. The differential amplifier is composed of a pair of identical transistors, and the variable resistor is used to adjust the level of gain. A output amplifier is connected to the input differential amplifier.

The INA128UA has two inputs and one output, and is capable of providing a wide range of gain from 0.1 to 100. The signal level at the output is directly proportional to the difference between the inputs, and is independent of the signal level at the inputs. The device uses very low operating currents, so it is very power efficient and provides better performance than other instrumentation amplifiers.

The INA128UA is capable of providing excellent linearity and accuracy in precision applications. The device is protected against input over-voltage and can handle voltage signals up to ±18V. It also has very low supply-currents and can operate down to a single supply voltage of 6 volts. Because of its low power consumption, it is suitable for battery operated devices.

The INA128UA is suitable for use in applications such as low power signal conditioning, medical instrumentation, audio systems and motor control applications. It is also suitable for use in high-precision applications, because it is capable of providing low noise, low distortion, high linearity and high dynamic range.

In summary, the INA128UA is a low power, low cost, precision linear instrumentation amplifier based on a single op-amp design. It offers excellent performance characteristics and has a wide range of gain values for its differential inputs. It is also capable of providing very low noise and very low distortion. It is suitable for use in a variety of signal conditioning, multiplexers, audio power amplifier and precision applications.

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