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AK4414EQ Datasheet, PDF (44/51 Pages) Asahi Kasei Microsystems – High Performance 120dB 32-Bit 4ch DAC | |||
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[AK4414]
Addr Register Name
06H L2ch ATT
07H R2ch ATT
Default
D7
ATT7
ATT7
1
D6
ATT6
ATT6
1
D5
ATT5
ATT5
1
D4
ATT4
ATT4
1
D3
ATT3
ATT3
1
D2
ATT2
ATT2
1
D1
ATT1
ATT1
1
D0
ATT0
ATT0
1
ATT7-0: ã¢ããã¼ã·ã§ã³ã¬ãã«
256 levels, 0.5dB step
Data
FFH
FEH
FDH
:
:
02H
01H
00H
Attenuation
0dB
-0.5dB
-1.0dB
:
:
-126.5dB
-127.0dB
MUTE (-â)
è¨å®å¤éã®é·ç§»ã¯ã½ããé·ç§»ã§ãããããã£ã¦ãé·ç§»ä¸ã«ã¹ã¤ããã³ã°ãã¤ãºã¯çºçãã¾ãããATT
è¨ å® é ã® é· ç§» 㯠7425 㬠ã 㫠㧠㽠ã ã é· ç§» ã ã¾ ã ã FFH (0dB) ã ã 00H (MUTE) 㾠㧠㫠㯠7424/fs
(168ms@fs=44.1kHz)ãããã¾ããã¤ãã·ã£ã«ãªã»ããããã¨ã¢ããã¼ã·ã§ã³ã¬ãã«ã¯FFHã«åæåãã
ã¾ããRSTN bit = â0â ã®æãATTå¤ã¯FFHã§ãRSTN bit ã â1âã«æ»ãã¨ãATTå¤ã¯ããããã®è¨å®å¤ã¸
復帰ãã¾ãã ãã®ãã¸ã¿ã«ã¢ããã¼ã·ã§ã³ã¯ã½ãããã¥ã¼ãæ©è½ã¨ã¯ç¬ç«ãã¦ãã¾ãã
Addr Register Name
08H DZF1 Control
09H DZF2 Control
Default
D7
D6
D5
D4
D3
D2
D1
D0
L1
R1
L2
R2
0
0
0
0
L1
R1
L2
R2
0
0
0
0
0
0
0
0
0
0
0
0
L1-2, R1-2: DZF1-2 pins ã¼ãæ¤åºãã©ã°æå¹ããã
0: Disable
1: Enable
Addr Register Name
0AH Control 5
Default
D7
TDM1
0
D6
TDM0
0
D5
SDS1
0
D4
SDS2
0
D3
PW2
1
D2
PW1
1
D1
DEM2
0
D0
DEM1
1
DEM2-1: DAC2 ãã£ã¨ã³ãã¡ã·ã¹ã¬ã¹ãã³ã¹ (Table 20)
åæå¤ã¯â01â (OFF)ã§ãã
PW2-1: ãã¯ã¼ãã¦ã³ããã
PW2: DAC2ã®ãã¯ã¼ãã¦ã³ã³ã³ããã¼ã«
0: DAC2 power OFF
1: DAC2 power ON (default)
PW1: DAC1ã®ãã¯ã¼ãã¦ã³ã³ã³ããã¼ã«
0: DAC1 power OFF
1: DAC1 power ON (default)
SDS1-2:
DAC1, DAC2ã®ãã¼ã¿é¸æ
0: é常åä½
1: å¥ã¹ãããã®ãã¼ã¿ãåºå
詳細ã¯Table 17ããåç
§ãã ããã
TDM0-1: TDM Modeé¸æ
Mode
Normal
TDM256
TDM128
TDM1
0
0
1
TDM0
0
1
1
BICK
32fsâ¼
256fs fixed
128fs fixed
SDTI
1-2
1
1-2
Sampling Speed
Normal, Double, Quad Speed
Normal Speed
Normal, Double, Quad Speed
MS1476-J-00
- 44 -
2013/01
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