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PCM3168APAPRG4 Datasheet(PDF) 57 Page - Texas Instruments |
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PCM3168APAPRG4 Datasheet(HTML) 57 Page - Texas Instruments |
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57 / 66 page ![]() 1 F 10 F +3.3V Top Layer Ground Pour and PowerPad Top Layer Signal Traces Pad to top layer ground pour PCM3168 See Mode Pin in Layout Guidelines for configuration 1 2 3 4 5 6 7 8 9 10 11 12 13 14 21 22 23 24 25 26 27 28 37 38 39 40 41 42 43 44 45 46 47 48 53 54 55 56 57 58 59 60 61 62 63 64 10 F +3.3V 1 F 10 F MODE DGND1 VDD1 MS,ADR0,MD0 MDO,ADR1,MD1 MDI,SDA,DEMP MC,SCL,FMT SCKI DIN4 DIN3 DIN2 DIN1 VCOMAD AGNDAD2 VCCAD2 RST OVF LRCKAD BCKAD DOUT1 DOUT2 DOUT3 DGND2 VDD2 Analog Inputs PCM Audio Output Interface Analog Outputs Serial and Hardware Control Interface PCM Audio Input Interface 15 16 17 18 19 20 29 30 31 32 34 35 36 33 50 51 52 49 ZERO VCCDA1 VCOMDA AGNDDA1 BCKDA LRCKDA VCCDA2 AGNDDA2 1 F 10 F +5V 1 F 10 F +5V 10 F + 10 F + 10 F + + Analog Inputs 1 F 10 F +5V 1 F 10 F +5V Resistors on PCM audio interfaces are for reducing reflections of high frequency signals if needed. These resistors should be between 22 Q v 100 Q It is recommended to place a top layer ground pour for shielding around PCM3168 and connect to lower main PCB ground plane by multiple vias PCM3168A www.ti.com SBAS452A – SEPTEMBER 2008 – REVISED JANUARY 2016 12.2 Layout Example Figure 64. PCM3168A Board Layout Copyright © 2008–2016, Texas Instruments Incorporated Submit Documentation Feedback 57 Product Folder Links: PCM3168A |
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