The recommended power-up sequence is to apply VCC first, followed by AVCC, and then DVCC. This ensures that the internal voltage regulators are powered up correctly.
To configure the CS8427 for Master Clock mode, set the MCKE pin high and the MCKI pin low. This enables the internal clock generator and allows the CS8427 to generate the master clock signal.
The CS8427 supports clock frequencies up to 192 kHz. However, the actual maximum frequency may be limited by the specific application and system design.
To optimize the CS8427 for low power consumption, ensure that the device is in the correct power-down mode when not in use. Additionally, adjust the clock frequency and voltage supply to the minimum required for the application.
The PDN (Power-Down) pin is an active-low input that allows the CS8427 to be powered down when not in use. When PDN is low, the device enters a low-power state, reducing power consumption.
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CS8427-CSZ Overview
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