ACPL-7900-000E

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ACPL-7900-000E Application Field and Working Principle

The ACPL-7900-000E is a linear amplifier and instrumentation opamp specifically designed for precision data acquisition systems. It features a low offset voltage of just 0.2mV and low noise of only 20nV/√Hz at 10kHz.

This opamp is suitable for a variety of applications, most notably in data acquisition instrumentation. It can be used in data loggers, lab equipment, and other types of test and measurement equipment. In order to meet the high accuracy requirement of the target application, this opamp features low offset voltage, low noise, and high slew rate values.

Working Principle

The ACPL-7900-000E operates using a voltage buffer amplifier circuit employing a negative-feedback loop. When an input signal is applied to the opamp, the amplifier begins to amplify the signal, and the output voltage of the amplifier is fed back to the input. This feedback voltage is compared with the original input voltage, and any error is reduced by the negative feedback loop, ensuring that the output is a faithful, amplified version of the original signal.

The ACPL-7900-000E also features a slew rate control system, which helps to reduce distortion of the output signal. The slew rate is the speed at which the opamp’s output voltage can transition from one voltage level to another. In this opamp, the slew rate is controlled by actively monitoring the output slew rate and adjusting the gain of the opamp to keep the output signal within the desired range.

Features

The ACPL-7900-000E is a precision opamp that comes with a variety of features that make it an ideal choice for data acquisition and other instrumentation applications. These features include:

• Low offset voltage of 0.2mV
• Low noise of only 20nV/√Hz at 10kHz
• High slew rate of up to 20V/μs
• Wideband gain of up to 55 dB
• Wide common-mode input range of ±8V
• Operating temperature range of -40°C to +85°C

Conclusion

The ACPL-7900-000E is a linear amplifier and instrumentation op-amp that has been specifically designed for precision data acquisition systems. This opamp comes with a number of features that make it an ideal choice for applications such as data loggers, lab equipment, and other types of test and measurement equipment. It has a low offset voltage of 0.2mV and a low noise of only 20nV/√Hz at 10kHz, as well as a high slew rate of up to 20V/μs and a wideband gain of up to 55dB.

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