OPA703PAG4

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OPA703PAG4 is an instrumentation operational amplifier (op amp) with a buffer amp. It is designed to provide input and output signals with very low distortion and noise levels, as well as high voltage gain, allowing it to be used in a range of audio and video applications.

The OPA703PAG4 features a low input bias current and low input offset voltage, allowing it to operate without driving the signal source too hard. The device also features a programmable gain range and a dual power supplies for increased flexibility during design.

The OPA703PAG4 is an ideal solution for applications such as transimpedance amplifiers, output buffers, precision dc/dc converters, instrumentation amplifiers, and as a voltage follower. It can be used as a high-efficiency unity gain buffer and an ultra-low distortion buffer amplifier. Additionally, it is well-suited for use in audio production and studio applications where the certified low noise performance is needed.

The OPA703PAG4 is available in the SO-8 package, allowing it to be easily installed into most any circuit. This small size of package improves signal performance by reducing parasitic capacitances and keeping the output impedance low. Furthermore, its dielectric layer reduces power supply noise and improves input offset voltage.

The OPA703PAG4 features a very high slew rate of 16V/µs. This allows the device to transmit audio or digital signals and images at maximum speed, with minimal distortion or interference. It also provides a very high voltage gain of 80dB, making it an ideal choice for precision analog signal processing.

One of the key features of the OPA703PAG4 is its low noise performance. It is designed to provide very low distortion and noise levels, allowing audio quality to be maintained even at higher sound pressure levels. The device also features a low input bias current, allowing it to operate without driving the signal source too hard.

Due to its design flexibility and secure packaging, the OPA703PAG4 is well suited to many different instrumentation, audio, video, and dc/dc converter applications.

The OPA703PAG4 works on the principle of difference gain. Its structure consists of two pairs of independent amplifiers, a differential pair and a common mode amplifier. The differential pair produces a gain proportional to the difference of the inputs and the common mode amplifier produces a gain proportional to the average of the inputs.

The two amplifiers are coupled with direct feedback and a single supply voltage for improved operation. This arrangement allows signals to be amplified regardless of the polarity or magnitude of the input. The feedback loop helps to maintain the device\'s stability, by automatically adjusting its operating voltage. This ensures that the output remains steady and free from oscillations or vibrations.

The differential pair can be used to amplify voltage, while the common mode amplifier is better suited to amplifying currents. The device also features very low noise, high ISR (Input Short-Circuit Resistance), and a fast slew-rate. This makes it an ideal solution for many instrumentation and audio/video applications.

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