OPA2673IRGVT

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OPA2673IRGVT is a single-channel, low-power, single-supply amplifier with a 5 V supply designed to operate within a wide range of input voltages. This amplifier provides excellent gain and dc offset performance, while drawing remarkably modest power consumption. It is capable of delivering high slew rate and fast settling time, making it ideal for a variety of instrumentation and audio applications.

The OPA2673IRGVT general-purpose instrumentation amplifier is one of the most versatile and commonly used devices for signal conditioning and signal amplification. A core component of the amplifier’s architecture is a set of three identical gain stages. Each gain stage is constructed using a two-doped transistor differential amplifier configured as a transimpedance amplifier, which converts a small input signal into a larger amplified output. The amplified output is then buffered by a source follower stage, which provides a stable operating environment and minimizes signal distortion.

The OPA2673IRGVT instrumentation amplifier is ideal for a variety of audio applications, such as signal mixing and signal conditioning, as well as for a range of instrumentation applications, such as power supply and control amplifiers, data acquisition and control circuits, signal processing, thermal measurements, pressure measurements and vibration measurements.

The OPA2673IRGVT amplifier can deliver exceptional performance with a selectable gain range from 1 to 15 and low noise. With its wide gain range and low power operation, the amplifier is a perfect fit for portable applications that are powered by batteries or low voltage supplies. The low noise and linearity features offer excellent performance for high-precision applications such as medical instrumentation.

The main advantage of the OPA2673IRGVT over other instrumentation amplifiers is its low power consumption. The amplifier only requires a single 5 V power supply and is able to operate at low voltages – as low as 2.5 V. At the same time, it is able to deliver high slew rate and fast settling time, making it well suited for applications that require rapid data acquisition.

The OPA2673IRGVT amplifier also offers excellent gain and offset performance. It has an offset voltage of 1 mV, which ensures a small signal (± 0.1%) error across the full gain range. The amplifier also has a large common-mode rejection ratio (CMRR) of 105 dB, making it suitable for applications that must reject a large common-mode signal.

The OPA2673IRGVT also has an adjustable input bias current for a wide range of input conditions. This adjustable input bias allows for the optimization of the amplifier’s CMRR and phase margin for a desired gain and frequency response. The amplifier also has a low input offset voltage for improved accuracy in low-level signal measurements.

In addition to the amplifier’s gain and offset performance, the OPA2673IRGVT also offers an additional feature - an internal voltage clamping diode that prevents unexpected output voltages. This circuit prevents accidental damage to the amplifier during periods of rapid current transients.

The OPA2673IRGVT is a versatile amplifier and is ideal for a variety of applications. Its low power consumption, wide gain range, fast settling time, adjustable input bias and internal voltage clamping circuit make it an excellent choice for a variety of instrumentation and audio applications.

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