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AK4495SEQ Datasheet, PDF (25/58 Pages) Asahi Kasei Microsystems – Quality-oriented Premium 32-Bit 2ch DAC | |||
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[AK4495S]
LRCK
Fs
32.0kHz
44.1kHz
48.0kHz
88.2kHz
96.0kHz
176.4kHz
192.0kHz
384kHz
768kHz
32fs
N/A
N/A
N/A
N/A
N/A
N/A
N/A
12.288
24.576
MCLK(MHz)
48fs 64fs 96fs 128fs 192fs 256fs 384fs 512fs 768fs
N/A
N/A
N/A
N/A
N/A 8.1920 12.2880 16.3840 24.5760
N/A
N/A
N/A
N/A
N/A 11.2896 16.9344 22.5792 33.8688
N/A
N/A
N/A
N/A
N/A 12.2880 18.4320 24.5760 36.8640
N/A
N/A
N/A
N/A
N/A 22.5792 33.8688 N/A
N/A
N/A
N/A
N/A
N/A
N/A 24.5760 36.8640 N/A
N/A
N/A
N/A
N/A 22.5792 33.8688 45.1584 N/A
N/A
N/A
N/A
N/A
N/A 24.5760 36.8640 49.152 N/A
N/A
N/A
18.432 24.576 36.864 49.152 N/A
N/A
N/A
N/A
N/A
36.864 49.152 N/A
N/A
N/A
N/A
N/A
N/A
N/A
Table 10. System Clock Example (Manual Setting Mode @Serial Mode)
1152fs
36.8640
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Sampling
Speed
Normal
Double
Quad
Oct
Hexa
2. Auto Setting Mode (ACKS bit = â1â)
MCLKå¨æ³¢æ°ã¨ãµã³ããªã³ã°ã¹ãã¼ãã¯èªåæ¤åº(Table 11)ããããããDFS2-0 bitã®è¨å®ã¯ä¸è¦ã§ãã
åã¹ãã¼ãã§ã®MCLKå¨æ³¢æ°ã¯Table 12ã§ç¤ºãããå¨æ³¢æ°ãå¤é¨ããä¾çµ¦ãã¦ä¸ããã
MCLK
Sampling Speed
1152fs
Normal (fsï£32kHz)
512fs/256fs 768fs/384fs
Normal
256fs
384fs
Double
128fs
192fs
Quad
Table 11. Sampling Speed (Auto Setting Mode @Serial Mode)
LRCK
Fs
32.0kHz
44.1kHz
48.0kHz
88.2kHz
96.0kHz
176.4kHz
192.0kHz
384kHz
768kHz
32fs
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
24.576
MCLK(MHz)
48fs 64fs 96fs 128fs 192fs 256fs 384fs 512fs 768fs
N/A
N/A
N/A
N/A
N/A 8.1920 12.2880 16.3840 24.5760
N/A
N/A
N/A
N/A
N/A 11.2896 16.9344 22.5792 33.8688
N/A
N/A
N/A
N/A
N/A 12.2880 18.4320 24.5760 36.8640
N/A
N/A
N/A
N/A
N/A 22.5792 33.8688 N/A
N/A
N/A
N/A
N/A
N/A
N/A 24.5760 36.8640 N/A
N/A
N/A
N/A
N/A 22.5792 33.8688 N/A
N/A
N/A
N/A
N/A
N/A
N/A 24.5760 36.8640 N/A
N/A
N/A
N/A
N/A 24.576 36.864 N/A
N/A
N/A
N/A
N/A
N/A
36.864 N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Table 12. System Clock Example (Auto Setting Mode @Serial Mode)
1152fs
36.8640
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Sampling
Speed
Normal
Double
Quad
Oct
Hexa
MCLK= 256fs/384fsã®ã¨ããAuto Setting Modeã¯32kHz~96kHzã®ãµã³ããªã³ã°ã¬ã¼ãã¾ã§å¯¾å¿ãã¾ã
(Table 13)ãä½ãã32kHz~48kHzã®ãµã³ããªã³ã°ã¬ã¼ãã§ã¯ãMCLK= 256fs/384fsã§ã®DR, S/Nã¯ãMCLK=
512fs/768fsã®æã«æ¯ã¹ã¦3dBç¨åº¦å£åãã¾ãã
ACKS bit
MCLK
DR,S/N
0
256fs/384fs/512fs/768fs
120dB
1
256fs/384fs
117dB
1
512fs/768fs
120dB
Table 13. MCLKå¨æ³¢æ°ã¨DR, S/Nã®é¢ä¿(fs = 44.1kHz)
MS1560-J-01
- 25 -
2013/11
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