OP42GSZ

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The OP42GSZ is a high performance, low cost, differential, dual-channel amplifier that has become popular for use in a wide range of instrumentation applications. This device is capable of providing linear gain up to and beyond 10,000 Volts/Volt (or 10 V/V) over an extremely wide frequency range. The OP42GSZ is designed with a wide input common-mode range, up to ±5.5 V, and is capable of driving large capacitive loads. Additionally, its excellent common-mode rejection (CMRR) helps it to achieve consistent, high fidelity performance.

The OP42GSZ can be used as a buffer amplifier, an instrumentation amplifier, a linear amplifier, or a wideband unity-gain amplifier depending on the configuration. When used as a buffer, the OP42GSZ takes a single-channel input, amplifies it, and provides a balanced output, making it ideal for applications requiring low distortion and low output noise. As a linear amplifier, the OP42GSZ can provide extremely high gain control, making it ideal for noise cancellation, precision control, and feedback control applications.

The working principle of the OP42GSZ is simple. It consists of two high frequency, low noise amplifiers, each with three inputs, two output stages and two gain and offset controls. The first input, or “signal”, is the input signal from the source. The second, or “reference”, is the reference signal generated by the feedback circuitry. The third, or “offset”, is the voltage generated by the offset amplifier. The two outputs provide the amplified signal and the inverted signal.

The gain is set by adjusting the gain and offset controls. When used as a linear amplifier, the gain is equal to one plus the gain of the offset amplifier divided by the gain of the signal amplifier. In instrumentation applications, the OP42GSZ can be used as an active filter with adjustable gain and phase response. The device can also be used to provide buffering and amplification on single-ended input signals.

The OP42GSZ is a high performance, versatile amplifier for a wide range of instrumentation applications. Its excellent performance characteristics make it ideal for applications requiring high fidelity, low distortion, or high common-mode rejection. Its wide frequency range makes it perfect for both precision linear amplification and buffering applications. Its low cost makes it an excellent choice for applications where budget is a concern.

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