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AK5730VQ_17 Datasheet, PDF (35/50 Pages) Asahi Kasei Microsystems – 4-Channel Differential Audio ADC for Line & Mic Inputs | |||
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[AK5730]
Notes:
(1) PDN pin = âLâã®ç¶æ
ã§é»æºãæå
¥ãããã¹ã¦ã®é»æº(DVDD, AVDD) ãç«ã¡ä¸ãã£ãå¾ãPDN pinãâHâ
ã«ãã¦ãã ãããAK5730ã確å®ã«ãªã»ããããããã«150ns 以ä¸ã® PDN pin = âLâ æéãå¿
è¦ã§ãã
(2) Mic Bias Voltage (MBS3-0 bit)ãè¨å®ãã¦ããRSTN bitãâ1â ã«ãã¦ä¸ããã
(3) PLLåè·¯ã®ãã¯ã¼ã¢ãã: (PLL mode)
BICKãå
¥åããPLL1-0 bits = â01â ã â10â ã¾ã㯠â11âã«è¨å®ã
1~2ms以å
ã«PLLãããã¯ããã¾ãã
(4) Vrefåè·¯ã®ãã¯ã¼ã¢ãã:
CVP1 pin , CVP2 pinããã£ã¼ã¸ããã¾ãã
ç´20~40ms以å
ã« VREF pin ãAVDDã«ãªãã¾ãã
(5) ãã¯ã¼ãã¦ã³ã¢ã¼ãæã¯â0âãã¼ã¿ãADCããåºåããã¾ãã
(6) ãã£ã¼ã¸ãã³ãåè·¯1, 2 ã®ãã¯ã¼ã¢ãã:
(Normal mode) PDN pin = âLâ â âHâ(ãããã¯PLLããã¯) & MCLKI, BICK, LRCKã¯ããã¯å
¥å
(PLL mode) PLLããã¯
ç´4~8ms以å
ã« CVP1 pin ã 1.67 x AVDD ã«ãªãã¾ãã
ç´4~8ms以å
ã« CVP2 pin ã (1.67 x AVDD) x 2 ã«ãªãã¾ãã
(7) ADCã®ã¢ããã°é¨ã¯ãã¯ã¼ãã¦ã³è§£é¤å¾ãåæåããã¾ãã
(8) ã¢ããã°å
¥åã«å¯¾ãã¦ãã£ã¸ã¿ã«åºåã¯ã群é
延(GD)ãæã¡ã¾ãã
(9) ãã£ã¼ã¸ãã³ãåè·¯ã®ãã¯ã¼ãã¦ã³:
PDN pin = âHâ â âLâ
ãã©ã¤ã³ã°ãã£ãã·ã¿ãå
é¨æµæã«ãããã£ã¦CVP1/2 pin 㯠AVDD ã«ãªãã¾ããå
é¨æµæã®å¤ã¯50kΩ
(typ)ã§ããå¾ã£ã¦ãCVP1/2 pinã«2.2µFã®ãã©ã¤ã³ã°ãã£ãã·ã¿ãæ¥ç¶ããã¦ããå ´åãæå®æ°ã¯110ms
ã«ãªãã¾ãã
MS1577-J-03
- 35 -
2015/11
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