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AK5730VQ_17 Datasheet, PDF (34/50 Pages) Asahi Kasei Microsystems – 4-Channel Differential Audio ADC for Line & Mic Inputs | |||
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[AK5730]
â ãã¯ã¼ã¢ãã/ãã¦ã³ ã·ã¼ã±ã³ã¹
AK5730ã®åãããã¯ã¯PDN pinãâLâã«ãããã¨ã§ãã¯ã¼ãã¦ã³ã¢ã¼ãã«ã§ãã¾ãããã®æãåæã«ãã£ã¸
ã¿ã«ãã£ã«ã¿ããªã»ããããã¾ããPDN pin = âLâã«ãããã³ã³ããã¼ã«ã¬ã¸ã¹ã¿ãåæåããã¾ãããã¯ã¼
ãã¦ã³ã¢ã¼ãæã¯SDTO pin㯠âLâ ãåºåãã¾ãããã®ãªã»ããã¯é»æºæå
¥æã«å¿
ãä¸åº¦è¡ã£ã¦ãã ããã
ã¹ã¬ã¼ãã¢ã¼ãåä½æã«ããã¦é»æºONçã®ãªã»ãã解é¤æã¯MCLKIã®å
¥åå¾ã®LRCKã®ç«ã¡ä¸ããã§åä½
ãéå§ãã¾ããAK5730ã¯MCLK, LRCK, BICK ãå
¥åãããã¾ã§ãã¯ã¼ãã¦ã³ç¶æ
ã§ãã
ADCã®ã¢ããã°åæåãµã¤ã¯ã«ã¯ãã¯ã¼ãã¦ã³è§£é¤å¾ã«ã¹ã¿ã¼ããã¾ãããã®ããSDTOã®åºåãã¼ã¿ã¯
1041/fs LRCKãµã¤ã¯ã«å¾ã«æå¹ã«ãªãã¾ããFigure 31 ã«ãã¯ã¼ãã¦ã³åã³ãã¯ã¼ã¢ããæã®ã·ã¼ã±ã³ã¹ä¾ã
示ãã¾ãã
RSTN bit = â0âã®æãå
¨ã¦ã®åè·¯ã¯ãã¯ã¼ãã¦ã³ç¶æ
ã§ãããå
é¨ã¬ã¸ã¹ã¿ã¯åæåããã¾ããã
Power
PDN pin
PLL
CVP1 pin
(1) (2)
(3)
CVP2 pin
(6)
AVDD
Normal Operation
1.67 x AVDD
AVDD
(1.67 x AVDD) x2
AVDD
(9)
AVDD
(9)
VREF pin
MPWR pin
0V
(4)
ADC Internal
State
ADC In
(Analog)
ADC Out
(Digital)
â0âdata (5)
AVDD
(7) 1041/fs
Init Cycle
Normal Operation
0V
Normal Operation
Power-down
(8)
GD
GD
â0âdata
Clock In
Donât care
MCLK,LRCK,BICK
Donât care
Figure 31 ãã¯ã¼ã¢ãã/ãã¦ã³ ã·ã¼ã±ã³ã¹ä¾
MS1577-J-03
- 34 -
2015/11
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