ak4523 AKM Semiconductor, Inc., ak4523 Datasheet - Page 8

• Manufacturer Part Number: ak4523
• Description: 20bit Stereo Ds Adc & Dac
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
(Ta=25°C; VA=4.5 ~ 5.5V; VD=3.0 ~ 5.5V; C
Parameter
Master Clock Timing
LRCK Timing
Serial Interface Timing
Reset Timing
Note 14. SCLK rising edge must not occur at the same time as LRCK edge.
M0021-E-03
256fs:
384fs:
512fs:
Frequency
Duty Cycle
SCLK Period
SCLK Pulse Width Low
LRCK Edge to SCLK “­”
SCLK “­” to LRCK Edge
LRCK to SDTO (MSB)
SCLK “¯” to SDTO
SDTI Hold Time
SDTI Setup Time
PD Pulse Width
PD “­” to SDTO valid
Pulse Width Low
Pulse Width High
Pulse Width Low
Pulse Width High
Pulse Width Low
Pulse Width High
15. The AK4523 can be reset by bringing PD “L”.
16. These cycles are the number of LRCK rising from PD rising.
Pulse Width High
When the state of CMODE change during operation, the AK4523 should be reset by PD .
(Note 16)
(Note 15)
(Note 14)
(Note 14)
SWITCHING CHARACTERISTICS
L
=20pF)
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fs
dfs
tSCK
tSCKL
tSCKH
tLRS
tSLR
tLRM
tSSD
tSDH
tSDS
tPD
tPDV
Symbol
- 8 -
4.096
6.144
8.192
min
320
150
27
27
20
20
15
15
16
45
65
65
45
45
40
25
516
typ
12.288
18.432
24.576
max
48
55
40
70
[AK4523]
1999/12
Units
MHz
MHz
MHz
kHz
1/fs
ns
ns
ns
ns
ns
ns
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns