AK4126 Datasheet, PDF (16/27 Pages) Asahi Kasei Microsystems – 6ch 192kHz / 24-Bit Asynchronous SRC

ASAHI KASEI
[AK4126]
OLRCK
01234
OBICK(64fs)
13 14 15 16 17 18 19 20 21 22 23 24 31 0 1 2 3 4
13 14 15 16 17 18 19 20 21 22 23 24
31 0 1 2
SDTO(O) ^{15 14 13 12}
SDTO(O) ^{17 16 15 14}
SDTO(O) ^{19 18 17 16}
SDTO(O) ^{23 22 21 20}
210
15:MSB, 0:LSB
43210
17:MSB, 0:LSB
6543210
19:MSB, 0:LSB
10 9 8 7 6 5 4 3 2 1 0
23:MSB, 0:LSB
15 14 13 12
17 16 15 14
19 18 17 16
23 22 21 20
Lch Data
Figure 8. MSB Timing
210
43210
6543210
10 9 8 7 6 5 4 3 2 1 0
Rch Data
15 14
17 16
19 18
23 22
OLRCK
01234
OBICK(64fs)
SDTO(O)
15 14 13 12
SDTO(O)
17 16 15 14
SDTO(O)
19 18 17 16
SDTO(O)
23 22 21 20
14 15 16 17 18 19 20 21 22 23 24
01234
14 15 16 17 18 19 20 21 22 23 24 31 0 1 2
210
15 14 13 12
210
15
15:MSB, 0:LSB
43210
17 16 15 14
43210
17
17:MSB, 0:LSB
6543210
19 18 17 16
6543210
19
19:MSB, 0:LSB
10 9 8 7 6 5 4 3 2 1 0
23 22 21 20
10 9 8 7 6 5 4 3 2 1 0
23
23:MSB, 0:LSB
Lch Data
Figure 9. I²S Compatible Timing
Rch Data
Note: SDTO shows SDTO1, SDTO2 and SDTO3.
„ 4-channel Mode
The AK4126 has 4-channel mode to reduce power supply current when using four channels in six channels. When PM pin
is set to “H”, four channels (SDTI1Æ SDTO1 and SDTI2 Æ SDTO2) in six channels work, and other 2 channels (SDTI3
Æ SDTO3) are powered-down (SDTO3 outputs “L”.).
PM pin
Mode
L
6-channel mode
H
4-channel mode
Table 5. Channel Mode Setting
MS0544-E-00
- 16 -
2006/09