A 4-layer PCB with a solid ground plane and a separate analog ground plane is recommended. Keep the analog and digital signal traces separate and avoid crossing them. Use a star connection for the power supply and decouple the power pins with 10uF and 100nF capacitors.
Apply power to the VCC pin first, followed by the VDD pin. Ensure the power supply is stable and within the recommended voltage range. After power-up, wait for at least 10ms before sending any commands to allow the internal voltage regulators to stabilize.
The maximum clock frequency for the I2S interface is 50MHz. However, it's recommended to use a clock frequency of 12.288MHz or 24.576MHz for optimal performance and to ensure compatibility with most audio codecs.
The MUSES8820E has a built-in thermal shutdown protection that activates when the junction temperature exceeds 150°C. If this occurs, the device will shut down and reset when the temperature drops below 120°C. Ensure proper heat dissipation and avoid operating the device in high-temperature environments.
Use a TVS (Transient Voltage Suppressor) diode with a voltage rating of 3.3V or 5V, depending on the operating voltage, to protect the MUSES8820E from electrostatic discharge. Place the TVS diode as close to the MUSES8820E as possible.
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MUSES8820E Overview
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