CMI-8738 データシートの表示（PDF） - C-Media Electronics

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CMI-8738

C3DX PCI-Based HRTF 3D Extension Positional Audio Chip

C-Media Electronics 

Ver. 1.2

CMI-8738/PCI-SX AUDIO Specification

CMI8738 PCI Audio Adapter Layout Notes

1. The wires of analog circuits(chip pin64-80) must be wider than 12mil.

2. The whole PCB grounding should be well-organized(The ground must be placed

as much as possible. Also, the ground of both the component and the solder

sides should be drilled as much as possible.).

3. The grounding under CMI8738 should be well-organized as mentioned above.

4. The regulator(78L05) must be placed near the chip as much as possible.

5. The chip and the circuits need independent power supply regulators to prevent

insufficient currents.

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