AK4126 Datasheet, PDF (11/27 Pages) Asahi Kasei Microsystems – 6ch 192kHz / 24-Bit Asynchronous SRC

ASAHI KASEI
SWITCHING CHARACTERISTICS
(Ta=25°C; AVDD, DVDD=3.0 ∼ 3.6V; C_L=20pF)
Parameter
Symbol
min
typ
LRCK for Input data (ILRCK)
Frequency
Duty Cycle
fs
8
Duty
48
50
LRCK for Output data (OLRCK)
Frequency
Duty Cycle
fs
8
Duty
48
50
Audio Interface Timing
Input PORT
IBICK Period
tBCK
1/64fs
IBICK Pulse Width Low
tBCKL
27
Pulse Width High
tBCKH
27
ILRCK Edge to IBICK “↑”
(Note 9) tLRB
15
IBICK “↑” to ILRCK Edge
(Note 9) tBLR
15
SDTI Hold Time from IBICK “↑”
tSDH
15
SDTI Setup Time to IBICK “↑”
tSDS
15
Output PORT
OBICK Period
tBCK
1/64fs
OBICK Pulse Width Low
tBCKL
27
Pulse Width High
tBCKH
27
OLRCK Edge to OBICK “↑”
(Note 9) tLRB
20
OBICK “↑” to OLRCK Edge
(Note 9) tBLR
20
OLRCK to SDTO (MSB) (Except I²S mode) tLRS
OBICK “↓” to SDTO
tBSD
Reset Timing
PDN Pulse Width
(Note 10) tPD
150
Note 9. BICK rising edge must not occur at the same time as LRCK edge.
Note 10. The AK4126 can be reset by bringing the PDN pin = “L”.
[AK4126]
max
Units
192
kHz
52
%
192
kHz
52
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
20
ns
20
ns
ns
MS0544-E-00
- 11 -
2006/09