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AK4414EQ Datasheet, PDF (30/51 Pages) Asahi Kasei Microsystems – High Performance 120dB 32-Bit 4ch DAC | |||
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[AK4414]
[2] DSD mode
DSDãã¼ã¿å
¥åã®å ´åã¯ãDIF2-0 pinåã³DIF2-0 bitã¯ç¡å¹ã§ããDCLKå¨æ³¢æ°ã¯64fsã«åºå®ã§ããDCLKã®æ¥µ
æ§ã¯DCKB bitã§å転ãããã¨ãå¯è½ã§ãã
DCLK (64fs)
DCKB=1
DCLK (64fs)
DCKB=0
DSDL,DSDR
D0
D1
Normal
D2
D3
DSDL,DSDR
Phase Modulation D0
D1
D1
D2
D2
D3
Figure 16. DSD Mode Timing
â D/Aå¤æã¢ã¼ãåãæ¿ãã¿ã¤ãã³ã°
RSTN bit
D/A Mode
D/A Data
PCM Mode
PCM Data
â¥4/fs
â¥0
DSD Data
DSD Mode
Figure 17. D/A Mode Switching Timing (PCM to DSD)
RSTN bit
D/A Mode
D/A Data
DSD Mode
â¥4/fs
DSD Data
PCM Mode
PCM Data
Figure 18. D/A Mode Switching Timing (DSD to PCM)
Note. DSD modeæã¯25%ãã75%ã®ãã¥ã¼ãã£æ¯ãä¿¡å·ã¬ã³ã¸ã¨ãã¾ããSACDãã©ã¼ãããããã¯(Scarlet
Book) ã§ã¯ãDSDä¿¡å·ã®ãã¼ã¯ã¬ãã«ããã®ãã¥ã¼ãã£ãè¶ãããã¨ã¯æ¨å¥¨ããã¦ãã¾ããã
MS1476-J-00
- 30 -
2013/01
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