OP291GSZ

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The OP291GSZ is a high-performance monolithic op amp from Burr-Brown Corporation.

The OP291GSZ is a low-noise, low-distortion device, ideal for use in instrumentation, buffer, linear and other applications where performance and low power are important. It features a rail-to-rail I/O and a wide gain bandwidth of 250MHz making it an ideal choice for high-speed systems.

Application Field

The wide gain bandwidth and low noise make it suitable for many applications, such as instrumentation, audio, communications, data acquisition, and data converters. It is also suitable for noise-sensitive applications such as ultrasound imaging and medical instrumentation. It can also be used in automotive applications and as a buffer in precision amplifier applications.

Working Principle

The OP291GSZ works by using an open-loop architecture and feedback control. This architecture amplifies the input signal and passes it to the output with the gains and bandwidth dictated by the feedback controls. This architecture also helps to reduce noise, distortion, and offset voltage across channels.

The device is powered by a single voltage supply and has an adjustable output offset voltage that can be set using an external voltage reference. The OP291GSZ also has a low quiescent current of 3mA and a maximum output current of 25mA. The device also features excellent shut-down and thermal shut-down protection.

The OP291GSZ is designed to operate over a wide range of temperatures and is available in die, SOIC, and SOT-23 packaging.

Conclusion

The OP291GSZ is a low-noise, low-distortion monolithic op amp ideal for use in instrumentation, buffer, linear and other high-performance applications. It features a rail-to-rail I/O, wide gain bandwidth of 250 MHz, adjustable output offset voltage, and a low quiescent current of 3mA. The device is available in die, SOIC and SOT-23 packages and is designed to operate over a wide range of temperatures.

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