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AK4591VQ Datasheet, PDF (5/41 Pages) Asahi Kasei Microsystems – 入力セレクタ付24bit 4ch ADC + 24bit 6ch DAC | |||
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[AK4591]
ï¾ï¾ï¾NO.
36
37
38
39
40
ãã³å称
DVSS
DVDD
LRCLK
BITCLK
MCLK
I/O
æ©è½
- ãã£ã¸ã¿ã«é¨ã°ã©ã³ããã³ 0V
- ãã£ã¸ã¿ã«é¨é»æºãã³ 3.3Vï¼ï½ï½ï½ï¼
I
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I 64fsã®ï½¸ï¾ï½¯ï½¸ãå
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I ãã¹ã¿ã¼ã¯ããã¯å
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41
CS
I CS =âHâã«ããã¨ãSIãã³ã®ãã¼ã¿ã¯åãè¾¼ã¾ãããSOã¯Hi-Zã«ãªã
ã¾ãã CS æ©è½ã使ç¨ããªãå ´åã¯DVSSã«æ¥ç¶ãã¦ãã ããã
42
S_RESET I ã·ã¹ãã ãªã»ãããã³
ï¾ï½¾ï½¯ï¾
ã¤ãã·ã£ã«ãªã»ãããã³ï¼åæåç¨ï¼
43 INIT_RESET I AK4591ãåæåããã®ã«ä½¿ç¨ãã¾ãã
ã½ãããã¥ã¼ããã³ ï¼ãã«ãã¦ã³ä»ï¼
コï¾ï¾ï¾ï½°ï¾
44
SMUTE
I DACé¨ã®ãã¸ã¿ã«ã½ãããã¥ã¼ããè¡ãã¾ããâHâã®ã¨ãã½ãããã¥ã¼ã
éå§ãâLâã§è§£é¤ã§ããï¼ï½ºï¾ï¾ï¾ï½°ï¾ï¾ï½¼ï¾ï½½ï¾ã§ã®è¨å®ãå¯è½ã§ããï¼
45
SDATI1
I
DAC1 ã·ãªã¢ã«ãã¼ã¿å
¥åãã³ ï¼ãã«ãã¦ã³ä»ï¼
åè©°ããI2Sãã©ã¼ãããåã¯å¾è©°ã24bit,16bitã§å
¥åå¯è½ã
オーï¾ï¾ï½¨ï½µï½²ï¾ï¾ï½°ï¾ï½ªï½°ï½½
DAC2 ã·ãªã¢ã«ãã¼ã¿å
¥åãã³ ï¼ãã«ãã¦ã³ä»ï¼
46
SDATI2
I åè©°ããI2Sãã©ã¼ãããåã¯å¾è©°ã24bit,16bitã§å
¥åå¯è½ã
DAC3 ã·ãªã¢ã«ãã¼ã¿å
¥åãã³ ï¼ãã«ãã¦ã³ä»ï¼
47
SDATI3
I åè©°ããI2Sãã©ã¼ãããåã¯å¾è©°ã24bit,16bitã§å
¥åå¯è½ã
ãã¹ããã³ ï¼ãã«ãã¦ã³ä»ï¼
48
TESTI
I DVSSã«æ¥ç¶ãã¦ãã ããã
コï¾ï¾ï¾ï½°ï¾
49 AOUTR3- O DAC3 Rch ã¢ããã°å転åºåãã³
ï½±ï¾
ï¾ï½¸ï¾åºå
50 AOUTR3+ O DAC3 Rch ã¢ããã°éå転åºåãã³
51
AOUTL3- O DAC3 Lch ã¢ããã°å転åºåãã³
52 AOUTL3+ O DAC3 Lch ã¢ããã°éå転åºåãã³
ã¢ããã°é¨åºæºé»å§å
¥åãã³
ï½±ï¾
ï¾ï½¸ï¾å
¥å
53
VREFH
I é常AVDD(54pin)ã¨æ¥ç¶ãã0.1μFã¨10μFã®ã³ã³ãã³ãµããAVSSã¨
ã®éã«æ¥ç¶ãã¾ãã
54
AVDD
- ã¢ããã°é¨é»æºãã³ 3.3Vï¼typï¼
ï½±ï¾
ï¾ï½¸ï¾é»æº
55
AVSS
- ã¢ããã°é¨ã°ã©ã³ããã³ 0V(ã·ãªã³ã³åºæ¿é»ä½)
ã¢ããã°é¨åºæºé»å§å
¥åãã³
56
VREFL
I é常AVSS(55pin)ã¨æ¥ç¶ãã¾ãã
ï½±ï¾
ï¾ï½¸ï¾å
¥å
57 AOUTR2- O DAC2 Rch ã¢ããã°å転åºåãã³
ï½±ï¾
ï¾ï½¸ï¾åºå
58 AOUTR2+ O DAC2 Rch ã¢ããã°éå転åºåãã³
59
AOUTL2- O DAC2 Lch ã¢ããã°å転åºåãã³
60 AOUTL2+ O DAC2 Lch ã¢ããã°éå転åºåãã³
61 AOUTR1- O DAC1 Rch ã¢ããã°å転åºåãã³
62 AOUTR1+ O DAC1 Rch ã¢ããã°éå転åºåãã³
63
AOUTL1- O DAC1 Lch ã¢ããã°å転åºåãã³
64 AOUTL1+ O DAC1 Lch ã¢ããã°éå転åºåãã³
注ï¼ï¾ï¾ï½¼ï¾ï¾ï¾å
¥åï¾ï¾ï¾(29,30,31,35,38~48pin)ã¯ãオーï¾ï¾ï¾ã«ããªãã§ä¸ããããã ããï¾ï¾ï¾ï¾ï¾ï½³ï¾ï¾ï¾ï¾(ï¾ï¾ï¾ï¾ï¾ï½³ï¾ä»ã¨è¡¨ç¤º)ã
é¤ãã¾ãã(ï¾ï¾ï¾ï¾ï¾ï½³ï¾ï¾ï¾ï¾ã¯ä½¿ç¨ããªãå ´åãオーï¾ï¾ï¾ãããã¯DVSSã«æ¥ç¶ãã¦ãã ãããTESTIï¾ï¾ï¾ã¯DVSSã«æ¥
ç¶ãããã¨ãæ¨å¥¨ãã¾ãã)
[MS0295-J-01]
-5-
2012/12
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