ak5385a AKM Semiconductor, Inc., ak5385a Datasheet - Page 15

• Manufacturer Part Number: ak5385a
• Description: 24bit 192khz Adc
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
n ƒI•[ƒfƒBƒIƒCƒ“ƒ^ƒtƒF•[ƒXƒtƒH•[ƒ}ƒbƒg
2Ží—ނ̃f•[ƒ^ƒtƒH•[ƒ}ƒbƒg‚ª DIF pin (Table 4)‚Å‘I‘ð‚Å‚«‚Ü‚·•B—¼ƒ‚•[ƒh‚Æ‚àMSBƒtƒ@•[ƒXƒg•A 2’sƒRƒ“ƒvƒŠ
ƒ•ƒ“ƒg‚̃f•[ƒ^ƒtƒH•[ƒ}ƒbƒg‚ÅSDTO‚Í BICK‚Ì—§‚¿‰º‚ª‚è‚Å•o—Í‚³‚ê‚Ü‚·•BƒI•[ƒfƒBƒIƒCƒ“ƒ^ƒtƒF•[ƒX‚̓}
ƒXƒ^ƒ‚•[ƒh‚ƃXƒŒ•[ƒuƒ‚•[ƒh‚ɑΉž‚µ‚Ü‚·•Bƒ}ƒXƒ^ƒ‚•[ƒh‚Å‚Í
‚Å‚Í“ü—Í‚É‚È‚è‚Ü‚·•Bƒ}ƒXƒ^ƒ‚•[ƒhŽž‚ÌLRCKŽü”g•”‚Æ BICKŽü”g•”‚Í‚»‚ꂼ‚ê fs‚Æ 64fs‚Å‚·•B
n ƒ}ƒXƒ^ƒ‚•[ƒh‚ƃXƒŒ•[ƒuƒ‚•[ƒh‚Ì•Ø‚è‘Ö‚¦
ƒ}ƒXƒ^ƒ‚•[ƒh‚ƃXƒŒ•[ƒuƒ‚•[ƒh‚Ì•Ø‚è‘Ö‚¦‚ÍM/S pin‚Å•s‚¢‚Ü‚·•B“H”‚Ń}ƒXƒ^ƒ‚•[ƒh•A “L”‚ŃXƒŒ•[ƒuƒ‚•[ƒh
‚Å‚·•BAK5385A‚ªƒ}ƒXƒ^ƒ‚•[ƒh‚ÌŽž‚É‚Í•AAK5385A‚ÉMCLK‚ð‹Ÿ‹‹‚·‚é‚Æ BICK, LRCK‚ª•o—Í‚³‚ê‚Ü‚·•B
AK5385A‚ªƒXƒŒ•[ƒuƒ‚•[ƒh‚ÌŽž‚É‚Í•A MCLK, BICK, LRCK‚ð‹Ÿ‹‹‚µ‚ĉº‚³‚¢•B
MS0265-J-01
LRCK
BICK(64fs)
SDTO(o)
LRCK
BICK(64fs)
SDTO(o)
Mode
0
0
0
1
23 22
23:MSB, 0:LSB
1 2
1 2
23 22
23:MSB, 0:LSB
DIF pin
3
H
L
M/S pin
4
H
L
20 21
4
Lch Data
3 2 1
21
24bit, I
Table 5. Master mode/Slave mode
24bit, MSB justified
Lch Data
Table 4. Audio Interface Format
3 2 1
22 23
22 23
Figure 1. Mode 0 Timing
Figure 2. Mode 1 Timing
Master Mode
Slave Mode
2
SDTO
S Compatible
0
Mode
24
24
0
25
- 15 -
31 0 1 2
0 1 2
23 22
LRCK = Output
BICK = Output
LRCK = Input
LRCK
BICK, LRCK
BICK = Input
H/L
L/H
LRCK‚Æ BICK‚Í•o—Í‚É‚È‚è•AƒXƒŒ•[ƒuƒ‚•[ƒh
23 22
BICK
4
48fs
48fs
20 21
Rch Data
4
3
21
Rch Data
3
2
22
22
2
Figure 1
Figure 2
1
23
Figure
23
1
0
24
24
0
25
31
[AK5385A]
0
0
23
2003/11
1
1