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AK4414EQ Datasheet, PDF (36/51 Pages) Asahi Kasei Microsystems – High Performance 120dB 32-Bit 4ch DAC | |||
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[AK4414]
â ãªã»ããæ©è½
(1) RSRN bitã«ãããªã»ãã
RSTN bitãâ0âã«ããã¨DACã¯ãªã»ããããã¾ãããå
é¨ã¬ã¸ã¹ã¿ã¯åæåããã¾ããããã®æãã¢ããã°åº
åã¯VCM1/2é»å§ã«ãªããDZF1/DZF2 pinã¯âHâã«ãªãã¾ããFigure 21ã«RSTN bitã«ãããªã»ããã·ã¼ã±ã³ã¹ã
示ãã¾ãã
RSTN bit
In ternal
RSTN bit
3~4/fs (5)
2~3/fs (5)
In ternal
Stat e
D/A In
(Dig ital )
D/A Out
(Ana log )
DZF
Normal Operation
(1)
GD
D igital Block
P
d
â0 â data
(3) (2)
Normal O peration
GD (1)
(3)
2/ fs(4)
(6)
注:
(1) ãã£ã¸ã¿ã«å
¥åã«å¯¾ãã¦ã¢ããã°åºåã¯ç¾¤é
延(GD)ãæã¡ã¾ãã
(2) RSTN bit = â0âæã¢ããã°åºåã¯VCOMé»å§ã§ãã
(3) å
é¨RSTNä¿¡å·ã®ã¨ãã¸(ââ ââ)ã§ã¯ãªãã¯ãã¤ãºãåºåããã¾ãããã®ãã¤ãºã¯ãã¼ã¿ã â0âã®å ´åã§
ãåºåããã¾ãã
(4) DZF pinã¯RSTN bitã®ç«ã¡ä¸ããã¨ãã¸ã§ âHâã«ãªããLSIå
é¨ã®RSTN bitã®ç«ã¡ä¸ããã¨ãã¸ã®2/fså¾
âLâã«ãªãã¾ãã
(5) RSTN bitãæ¸ãè¾¼ãã§ããLSIå
é¨ã®RSTN bitãå¤åããã¾ã§ã®ç«ã¡ä¸ããæã«3 ~4/fs ãããã¾ããã¾
ããç«ã¡ä¸ããæã«2 ~ 3/fsããã¾ãã
(6) ã¯ãªãã¯ãã¤ãº(3)åã¯Hi-Zåºå(2)ãåé¡ã«ãªãå ´åã¯ã¢ããã°åºåãå¤é¨ã§ãã¥ã¼ããã¦ãã ããã
Figure 21. ãªã»ããã¿ã¤ãã³ã°ä¾ 1
MS1476-J-00
- 36 -
2013/01
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