ak5385b AKM Semiconductor, Inc., ak5385b Datasheet - Page 11

• Manufacturer Part Number: ak5385b
• Description: 24bit 192khz ?? Adc
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
(Ta=25°C; AVDD=4.75 ∼ 5.25V; DVDD=3.0 ∼ 5.25V; C
Parameter
Master Clock Timing
LRCK Frequency
Audio Interface Timing
Reset Timing
Note 11. BICK rising edge must not occur at the same time as LRCK edge.
Note 12. The AK5385B can be reset by bringing the PDN pin = “L”.
Note 13. This cycle is the number of LRCK rising edges from the PDN pin = “H”. This value is in master mode
MS0406-E-00
Frequency
PDN Pulse Width
PDN “↑” to SDTO valid
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
Pulse Width Low
Pulse Width High
Duty Cycle
Slave mode
BICK Period
BICK Pulse Width Low
LRCK Edge to BICK “↑”
BICK “↑” to LRCK Edge
LRCK to SDTO (MSB) (Except I
BICK “↓” to SDTO
Master mode
BICK Frequency
BICK Duty
BICK “↓” to LRCK
BICK “↓” to SDTO
This value is longer 1/fs in slave mode than master mode.
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
Pulse Width High
Slave mode
Master mode
SWITCHING CHARACTERISTICS
(Note 11)
(Note 11)
(Note 12)
(Note 13)
2
S mode)
Symbol
tMBLR
tCLKH
tBCKH
tCLKL
tBCKL
dBCK
fBCK
fCLK
tBCK
tBCK
tBCK
tBSD
tBSD
tPDV
tLRB
tBLR
tLRS
tPD
fsn
fsd
fsq
- 11 -
L
=20pF)
1/128fsn
1/64fsd
1/64fsq
2.048
14.5
14.5
min
−20
−20
108
150
54
45
33
33
20
20
8
64fs
516
typ
50
50
27.648
max
108
216
54
55
20
20
20
20
[AK5385B]
Units
2005/08
MHz
kHz
kHz
kHz
1/fs
Hz
ns
ns
%
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
ns
ns
ns