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WM8595 датащи(PDF) 78 Page - Wolfson Microelectronics plc |
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WM8595 датащи(HTML) 78 Page - Wolfson Microelectronics plc |
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78 / 82 page ![]() WM8595 Production Data w PD, Rev 4.2, January 2011 78 APPLICATIONS INFORMATION RECOMMENDED EXTERNAL COMPONENTS AVDD1 AVDD2 DVDD SHUTDOWN MUTE RESET CIFMODE CS SCLK SDA SDOUT GPIO1 GPIO2 MCLK1 LRCLK1 BCLK1 DACDAT1 MCLK2 LRCLK2 BCLK2 DACDAT2 ADCDAT IN1L IN1R IN2L IN2R IN3L IN3R IN4L IN4R IN5L IN5R IN6L IN6R AGND1 AGND2 DGND Control Interface Digital Audio Interface AC-Coupled Inputs Analogue +3.3V C1 4.7µF C2 4.7µF C3 4.7µF VREF1C C4 4.7µF VREF1GND VMID1C C5 4.7µF VREF2VDD C6 4.7µF VREF2GND VMID2C C7 4.7µF Analogue +9V Digital +3.3V Analogue +3.3V GND GND GND GND LINEOUT1L LINEOUT1R LINEOUT2L LINEOUT2R AC-Coupled Outputs 42 18 11 15 16 17 44 46 47 48 45 1 2 4 5 6 7 8 9 10 13 14 24 25 26 27 28 29 30 31 32 33 34 35 43 19 12 36 38 37 39 41 40 23 22 21 20 Notes: 1. AGND and DGND should ideally share a continuous ground plane. Where this is not possible, it is recommended that AGND and DGND are connected as close to the WM8595 as possible. 2. Decoupling capacitors shown are very low-ESR, multilayer ceramic capacitors and should be placed as near to the WM8595 as possible. Equally good audio performance may be obtained using 0.1μF ceramic capacitors near to the WM8595, with a 10μF electrolytic capacitor nearby. Note that power up time is a function of the VMID2C resistor string setting and the decoupling capacitor C7. 3. The exposed paddle on the bottom of the QFN package should be connected to AGND |
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