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Calibration issues in AD5422BREZ circuits can stem from a variety of factors, such as power supply issues, reference voltage instability, improper digital input settings, temperature variations, faulty components, or PCB layout problems. By systematically diagnosing each potential cause and following the troubleshooting steps outlined above, you can resolve these calibration issues and restore the accuracy of your circuit.
Remember, consistency and attention to detail in setup and calibration are key to achieving the best performance from your AD5422BREZ DAC.