AD5640ARJZ-2500RL7

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The AD5640ARJZ-2500RL7 (AD5640) is a low-power, 10-bit DAC, ideally suited for single-supply, low-voltage audio, process control, and industrial automation applications. The part features a low noise and low distortion voltage output, as well as a low input resistance and high-accuracy voltage reference. In addition, the part features current-sense drive and gain error correction, making it a perfect choice for applications that require accurate current setting and monitoring.

The AD5640ARJZ-2500RL7 is a digital-to-analog converter (DAC) that utilizes a low-voltage, charge-balanced resistor array to provide a voltage output range of 0.2V to 3V. The 10-bit DAC contains an internal voltage reference, allowing for an outstanding noise performance of only 0.05Vpp (at 1MHz). The part is capable of sourcing up to 25mA of current, and is designed for use with single-supply, low-voltage audio, process control, and industrial automation applications operating from 2.7V to 5.5V supply voltage.

The AD5640 operates by creating a digital code representing a specific output voltage determined by its user-defined reference input voltage. The digital code is then decoded into an analog voltage level, which is then outputted by the DAC. The voltage reference is provided by a low-noise, low-distortion, low-input resistance, high-accuracy voltage reference. This reference can be programmed with an external reference voltage (up to 4.5V max) to ensure that the desired output voltage is achieved.

The goal of the DAC is to provide extremely accurate, clean and low-noise voltage references when used in audio, process control, and industrial automation applications. The AD5640ARJZ-2500RL7 implements a number of features to help meet this goal: current-sense drive, enabling the DAC to source up to 25mA of current, and gain error correction, allowing for a high-accuracy voltage reference even under conditions of supply voltage variation.

The current sensing drive circuitry in the AD5640 is designed to help avoid overdriving the output, allowing the user to adjust the operating current depending on the application. Gain error correction is useful in applications where the output must be held to a precise value over varying supply voltages. Finally, stress relief solutions remove parasitic effects caused by electrostatic discharges and enable longer capacitor life.

In summary, the AD5640ARJZ-2500RL7 is a low-power, 10-bit DAC ideally suited for single-supply, low-voltage audio, process control, and industrial automation applications. The part features a low noise and low distortion voltage output, as well as a low input resistance and high-accuracy voltage reference. Additionally, the part features current-sense drive and gain error correction, making it a perfect choice for applications that require accurate current setting and monitoring. The combination of these features makes the AD5640ARJZ-2500RL7 an excellent choice for a wide range of DAC applications.

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