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AK4591VQ Datasheet, PDF (37/41 Pages) Asahi Kasei Microsystems – 入力セレクタ付24bit 4ch ADC + 24bit 6ch DAC | |||
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[AK4591]
2-3ï¼ã¢ããã°å
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å
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¥åã¬ã³ã¸ã±FS=±(VREFH-VREFL)Ã(2.0/3.3) ï¼VREFH=3.3V,VREFL=0.0Vã®æã±
2.0Vppï¼ã§ãããå¤èª¿å¨ã¸ã®å
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¥åã¬ã³ã¸ãFS=(VREFH-VREFL)Ã(2.0/3.3) ï¼VREFH=3.3V,VREFL=0.0Vã®æã
2.0Vppï¼ã§ãããå¤èª¿å¨ã¸ã®å
¥åé»å§ãAINÃ2.0ã¨ãªãã¾ããåºåã³ã¼ãã®ãã©ã¼ãããã¯2âsã³ã³ããª
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AK4591ã®ã¢ããã°é»æºé»å§ã¯+3.3V(TYP)ã«ãªã£ã¦ãããã¢ããã°å
¥åãã³(AINL1+, AINL1-, AINR1+,
AINR1-, AINL2+, AINL2-, AINR2+, AINR2-, AINL3~L9, AINR3~R9, VREFH, VREFL)ã«ã¯ãAVDD+0.3V以
ä¸ãAVSS-0.3V以ä¸ã®é»å§ã¨Â±10mA以ä¸ã®é»æµãå
¥åãã¦ã¯ããã¾ãããé大é»æµã®æµå
¥ã¯å
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åè·¯ã®ç ´å£ãããã«ã¯ã©ããã¢ãããå¼ãèµ·ãããICã®ç ´å£ã«è³ãã¾ããå¾ã£ã¦ãå¨è¾ºã®ã¢ããã°åè·¯
ã®é»å§ãã±15Vçã®å ´åã¯ã¢ããã°å
¥åãã³ã絶対æ大å®æ ¼ä»¥ä¸ã®ä¿¡å·ããä¿è·ããå¿
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Signal
22μ
+ 10k
10k
+10V
-
+
-10V
10k
10k
-
+
+
NJM5532D
4.7μ
+
Vop = VA+ = 3.3V
4.7μ
2.00Vpp
AIN+
AIN-
2.00Vpp
å³ï¼ï¼å
¥åãããã¡åè·¯ä¾ï¼å·®åå
¥åãã³ï¼
Signal
22μ
+ 10k
10k
+10V
-
+
-10V
10k
10k
-
+
+
NJM5532D 4.7μ
2.00Vpp
AIN
Vop = VA+ = 3.3V
å³ï¼ï¼å
¥åãããã¡åè·¯ä¾ï¼ã·ã³ã°ã«ã¨ã³ãå
¥åãã³ï¼
AK4591ã®ã¢ããã°ã»ã¬ã¯ã¿ã¸ã®å
¥åãã³ï¼AINL1+,AINL1-,AINR1+,AINR1-,AINL2+,AINL2-,AINR2+,AI
NR2-,AINL3~L9,AINR3~R9ï¼ã¯ãã¤ãã·ã£ã«ãªã»ãã解é¤å¾ã«,AVDD/2ã®å
é¨åä½ç¹ãã¤ããã¾ãã
å¾ã£ã¦ãä¸è¨åè·¯ä¾ã®ããã«ãDCæåãé¤å»ãã¦å
¥åããå ´åãã¤ãã·ã£ã«ãªã»ããä¸ã«ACæåãå
¥å
ããªãããã«ãã¦ä¸ããã
[MS0295-J-01]
- 37 -
2012/12
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