To minimize noise and ensure optimal performance, it's recommended to follow a star-grounding topology, keep the analog and digital grounds separate, and use a solid ground plane. Additionally, route the analog signals away from the digital signals, and use shielded cables for sensitive signals.
To configure the MX7528JCWP for low-power mode, set the SHDN pin low. This reduces the quiescent current to approximately 10μA. However, this mode disables the internal voltage regulator, and the output voltage may droop. Trade-offs include reduced output current capability and increased output voltage noise.
The MX7528JCWP can drive a maximum capacitive load of 10μF. Exceeding this limit can cause instability and oscillations. To ensure stability, add a series resistor (Rs) to the output, and calculate Rs using the formula: Rs ≥ (Vout / (Iout + ΔI)) * (Cload / (2 * π * fosc)), where fosc is the oscillator frequency.
The MX7528JCWP has an output voltage tolerance of ±2%. To compensate, consider using a voltage regulator with a tighter tolerance or adding a voltage trimming circuit. This may impact your system design, as you may need to adjust the voltage rails or add additional components to ensure proper operation.
The MX7528JCWP has a maximum junction temperature of 150°C. To ensure reliable operation, ensure good thermal conduction by using a heat sink, thermal interface material, and a PCB design that allows for adequate airflow. Monitor the device's temperature and adjust the operating conditions accordingly to prevent overheating.
MX7528JCWP datasheet
by Maxim Integrated Products
