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SAA7824 Datasheet(PDF) 6 Page - NXP Semiconductors |
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SAA7824 Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 89 page 2003 Oct 01 6 Philips Semiconductors Product specification CD audio decoder, digital servo and filterless DAC with integrated pre-amp and laser control SAA7824 6 PINNING SYMBOL PIN I/O DESCRIPTION LFPOWER 1 I laser power supply EXFILTER 2 O 10 nF capacitor for laser start-up control MONITOR 3 I laser monitor diode SENSE 4 I OPU ground reference point for MONITOR measurement VSSA1 5 SUP analog ground 1 IREF 6 O reference current output (24 k Ω resistor connected to analog ground) VDDA1 7 SUP analog supply voltage 1 VREFO 8 I/O servo reference voltage D1 9 I diode voltage/current input (central diode signal input) D2 10 I diode voltage/current input (central diode signal input) D3 11 I diode voltage/current input (central diode signal input) D4 12 I diode voltage/current input (central diode signal input) R1 13 I diode voltage/current input (satellite diode signal input) R2 14 I diode voltage/current input (satellite diode signal input) CSLICE 15 I/O 10 nF capacitor for adaptive HF data slicer VDDA2 16 SUP analog supply voltage 2 VSSA2 17 SUP analog ground 2 OSCOUT 18 O crystal/resonator output OSCIN 19 I crystal/resonator input VSSA3 20 SUP analog ground 3 DACGND 21 I audio DAC ground DACRP 22 O audio DAC right channel differential positive output DACRN 23 O audio DAC right channel differential negative output DACVref 24 I/O audio DAC decoupling point (10 µF or 100 nF to ground DACLN 25 O audio DAC left channel differential negative output DACLP 26 O audio DAC left channel differential positive output DACVpos 27 I audio DAC positive supply voltage BUFVpos 28 I audio buffer positive supply voltage BUFINR 29 I audio buffer right input BUFOUTR 30 O audio buffer right output BUFOUTL 31 O audio buffer left output BUFINL 32 I audio buffer left input BUFGND 33 I audio buffer ground LKILL 34 O KILL output for left channel (configurable as open-drain) RKILL 35 O KILL output for right channel (configurable as open-drain) CDTRDY 36 O CD text output to microcontroller ready flag CDTDATA 37 O CD text output data to microcontroller CDTCLK 38 I CD text microcontroller clock input CFLAG 39 O correction flag output (open-drain) VSSD1 40 SUP digital ground 1 |
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