A 4-layer PCB with a dedicated ground plane and careful routing of analog and digital signals is recommended. Cirrus Logic provides a reference design and layout guidelines in their application notes.
The CS5308P-DNR has a programmable DNR algorithm that can be optimized through the use of Cirrus Logic's software development kit (SDK) and evaluation board. Engineers can experiment with different filter coefficients and settings to achieve the best noise reduction for their specific use case.
The maximum input signal level is ±2.5V, but it's recommended to keep the input signal level below ±2V to ensure optimal performance and prevent clipping.
A well-regulated power supply with a low noise floor is essential. Decoupling capacitors should be placed close to the device, and a 10uF capacitor is recommended for the AVDD pin. Additionally, a 1uF capacitor should be used for the DVDD pin.
The CS5308P-DNR has a latency of approximately 1.5ms. This latency should be considered when designing the system, especially in applications where real-time processing is critical. Engineers should ensure that the system can accommodate this latency to avoid audio synchronization issues.
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CS5308P-DNR Overview
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