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WM8214SCDS/R 数据表(PDF) 33 Page - Wolfson Microelectronics plc |
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WM8214SCDS/R 数据表(HTML) 33 Page - Wolfson Microelectronics plc |
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33 / 35 page ![]() Product Preview WM8214 w PP Rev 1.6 March 2004 33 APPLICATIONS INFORMATION RECOMMENDED EXTERNAL COMPONENTS 3 10 1 28 27 7 5 6 12 11 9 4 DVDD1 DVDD2 AGND1 RINP GINP BINP MCLK VSMP RSMP SCK SEN SDI OEB 8 26 24 25 23 20 19 18 17 16 15 14 13 OP[0] OP[1] OP[2] OP[3] OP[4] OP[5] OP[6] OP[7]/SDO VRLC/VBIAS VRX VRT VRB AVDD C2 C1 C6 C8 C4 C5 C7 C9 DVDD2 AVDD Video Inputs Timing Signals Interface Controls Output Data Bus DGND AGND AGND AGND 22 DGND 21 C3 AGND AGND2 2 C11 C10 DVDD2 C12 AVDD ++ + DGND AGND DVDD1 WM8214 C1-9 should be fitted as close to WM8214 as possible. NOTES: AGND and DGND should be connected as close to WM8214 as possible. 1. 2. DVDD1 Figure 24 External Components Diagram RECOMMENDED EXTERNAL COMPONENT VALUES COMPONENT REFERENCE SUGGESTED VALUE DESCRIPTION C1 100nF De-coupling for DVDD1. C2 100nF De-coupling for DVDD2. C3 100nF De-coupling for AVDD. C4 10nF High frequency de-coupling between VRT and VRB. C5 1 µF Low frequency de-coupling between VRT and VRB (non-polarised). C6 100nF De-coupling for VRB. C7 100nF De-coupling for VRX. C8 100nF De-coupling for VRT. C9 100nF De-coupling for VRLC. C10 10 µF Reservoir capacitor for DVDD1. C11 10 µF Reservoir capacitor for DVDD2. C12 10 µF Reservoir capacitor for AVDD. Table 7 External Components Descriptions |
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