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AK5720VT Datasheet, PDF (19/25 Pages) HuaXinAn Electronics CO.,LTD – ADC | |||
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[AK5720]
(5) ãã£ã¸ã¿ã«é¨ã®åæåçµäºæADCåºåã«ç°é³ãåºåããã¾ããç°é³ãåé¡ã«ãªãå ´åã¯ADCåºåã
åããå´ã§ãã¥ã¼ããã¦ä¸ããã
(6) ã¢ããã°å
¥åã«å¯¾ãããã£ã¸ã¿ã«åºåã¯ç¾¤é
延ããã¡ã¾ãã
(7) ãã¯ã¼ãã¦ã³æADCåºå㯠â0â ãã¼ã¿ã§ãã
â ã·ã¹ãã ãªã»ãã
é»æºæå
¥æãä¸åº¦PDN pinãâLâã«ãã¦ãªã»ãããã¦ä¸ãããã¹ã¬ã¼ãã¢ã¼ãæãPDN pinãâHâã«ãã
ã¨ãªã»ããåã³ãã¯ã¼ãã¦ã³ã¯LRCKã®ç«ã¡ä¸ããã¨ãã¸(åºåãã©ã¼ããããI2S Comptibleã®æã¯ç«
ã¡ä¸ããã¨ãã¸)ã§è§£é¤ããã¾ãããã¹ã¿ã¢ã¼ãæãPDN pinãâHâã«ããã¨ãªã»ããåã³ãã¯ã¼ãã¦ã³
ã¯MCLKã§è§£é¤ããã¾ãã
â TDM ã«ã¹ã±ã¼ãã¢ã¼ã
TDM256 mode
AK5720ã¯TDM256 modeæã«æ大4å°ã¾ã§ã®ã«ã¹ã±ã¼ãæ¥ç¶ã«å¯¾å¿ãã¾ãããã®æãããã¤ã¹#1/#2/#3ã®
SDTO pinã¯ããã¤ã¹#2/#3/#4ã®TDMI pinã«æ¥ç¶ããã¾ã (Figure 13)ãããã¤ã¹#4ã®SDTO pinãã8ãã£
ã³ãã«ã®TDMãã¼ã¿ãåºåã§ãã¾ã (Figure 14)ã
256fs
48kHz
256fs
AK5720 #1
MCLK DIF/TDMI
LRCK
BICK
SDTO
AK5720 #2
MCLK DIF/TDMI
LRCK
BICK
SDTO
AK5720 #3
MCLK DIF/TDMI
LRCK
BICK
SDTO
AK5720 #4
MCLK DIF/TDMI
LRCK
BICK
SDTO
GND
8ch TDM
Figure 13. Cascade TDM Connection Diagram
MS1641-J-00
- 18 -
2014/04
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