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WM8728SEDS/R 数据表(PDF) 25 Page - Wolfson Microelectronics plc |
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WM8728SEDS/R 数据表(HTML) 25 Page - Wolfson Microelectronics plc |
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25 / 28 page ![]() WM8728 Production Data w PD Rev 4.2 April 2004 25 APPLICATIONS INFORMATION RECOMMENDED EXTERNAL COMPONENTS (PCM AUDIO) Figure 25 External Components Diagram RECOMMENDED EXTERNAL COMPONENTS VALUES COMPONENT REFERENCE SUGGESTED VALUE DESCRIPTION C1 and C5 10 µF De-coupling for DVDD and AVDD/VREFP C2 to C4 0.1 µF De-coupling for DVDD and AVDD/VREFP C6 and C7 10 µF Output AC coupling caps to remove midrail DC level from outputs. C8 0.1 µF C9 10 µF Reference de-coupling capacitors for VMID pin. C10 10 µF Filtering for VREFP. Omit if AVDD low noise. R1 10kΩ 10k pull-up to DVDD R2 330 Ω Filtering for VREP. Use 0 Ω if AVDD low noise. Table 23 External Components Description |
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