The recommended power-up sequence is to apply VDD first, followed by VDDIO, and then the clock signal. This ensures proper initialization of the device.
To configure the CS42L42-CNZR for master clock mode, set the MCLK pin as an output and connect it to the external clock source. Then, set the MCLKDIV pin to select the desired clock frequency.
The maximum allowed capacitance for the analog input pins is 10nF. Exceeding this value may affect the device's performance and stability.
To optimize the CS42L42-CNZR for low power consumption, use the power-down modes (PDWN pin) and adjust the clock frequency to the minimum required for the application. Additionally, consider using the device's built-in voltage regulators to reduce power consumption.
The recommended layout and routing for the CS42L42-CNZR involves keeping the analog and digital signals separate, using a solid ground plane, and minimizing the length of the clock signal traces. It's also recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
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CS42L42-CNZR Overview
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