MAX4381EUB+T

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The MAX4381EUB+T is an instrumentation low-noise operational amplifier commonly used in linear devices such as audio processors and signal conditioning applications. It has a wide gain bandwidth (2.2MHz) and low distortion (0.00004%) for high-performance amplifier design. The device also provides low power consumption and is generally used as a low-noise buffer.

The MAX4381EUB+T is composed of two precision, low noise op-amps with a common-mode input voltage range from ground to Vcc. The device operates from +/-2.7V to +/-20V supplies. It has low noise (10.5nV/√Hz) at 10kHz, and low distortion (0.000004%) at 10kHz, making it ideal for driving low-impedance loads such as headphones, power amplifiers, and line outputs.

In terms of application fields, the MAX4381EUB+T can be used in low distortion, low-noise amplifiers for audio processing and signal conditioning, audio/video line drivers, active filters, ADC buffers, sample and hold amplifiers, and gain stages for professional audio systems. Additionally, its low power characteristics make it suitable for battery operated devices.

The working principle of the MAX4381EUB+T is relatively simple. The dual operational amplifiers in the device are configured to operate together as a differential amplifier, with the output on both halves of the device having the same voltage value. The input is then applied to the differential inputs of the op-amps to achieve an output offset voltage value. The output is then amplified by the op-amps and buffered by an output buffer to achieve the required voltage value.

In summary, the MAX4381EUB+T is a low-noise, precision, dual op-amp designed for use in instrumentation applications. It has a wide gain bandwidth and low distortion, making it ideal for driving low-impedance loads such as headphones or power amplifiers. The device is suitable for use in audio processing and signal conditioning, active filters, and sample and hold amplifiers. The working principle of the device is relatively simple and it achieves an output offset voltage value through the configuration of two differential amplifiers.

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