ADA4870ARRZ

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The ADA4870ARRZ is an ultra-precise, low noise, true differentiated current conveyor which offers superior power supply rejection and impedance matching over a wide range of frequencies. It delivers wide dynamic range and provides a high level of integration, accuracy, performance, and flexibility. The product is ideal for use in applications such as wide dynamic range analog to digital converters, instrumentation amplifiers, differential voltage probes, precision current sensing, and power amplifiers.

The ADA4870ARRZ is an ideal component for instrumentation applications, thanks to its low noise, low distortion, and high resolution. The device is designed for easy implementation into a wide range of instrumentation solutions, such as current sensing amplifiers, oscilloscopes, spectrum analyzers, data acquisition systems, and medical instrumentation. The high power supply rejection ratio of the ADA4870ARRZ enables it to achieve a wide dynamic range without any crosstalk or interference, making it particularly suitable for high-precision, differential-voltage sensing applications.

The ADA4870ARRZ operates on a single power supply of up to 70V, which enables it to be used in a wide range of applications, including low-voltage, high-current switching power supplies and high-voltage, high-current motor drives. In addition to its wide voltage range, the ADA4870ARRZ also provides support for up to ± 15V of rail-to-rail output voltage range, with accuracy of up to 0.5%, making the device ideal for applications such as voltage and current sensors, current-feedback instrumentation amplifiers and power amplifiers.

The ADA4870ARRZ is based on a current conveyor topology, with its active elements arranged in a differential-input, scalar-output configuration. This configuration provides excellent impedance matching over a wide range of frequencies, enabling the device to be used in high-impedance input environments. The product also offers superior power supply rejection ratio (PSRR): at 1MHz the PSRR is 70dB, while at 10MHz it is 90dB. This enables the device to reject switching noise and other common-mode disturbances when used in applications operating at high frequencies.

The ADA4870ARRZ offers a high level of integration and flexibility, thanks to its on-board precision resistors and elite matching circuitry. Its high level of accuracy (0.5%) and low offset voltage (6μV) enable it to be used in a wide range of precision current sensing applications. In addition, the device provides a low flicker noise of 4.5nV/√Hz, which provides excellent performance when used in high-frequency data acquisition systems.

Overall, the ADA4870ARRZ is an ideal component for a wide range of instrumentation, current sensing, and power amplification applications. Its superior power supply rejection ratio, low noise figures, and wide dynamic range enable it to be used in a variety of high-performance systems. In addition, its high level of integration, accuracy, and flexibility make it an excellent choice for a wide range of applications.

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