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AK5388_09 Datasheet, PDF (12/31 Pages) Asahi Kasei Microsystems – 120dB 24-bit 192kHz 4-Channel ADC | |||
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[AK5388]
Parameter
Symbol
min
typ
max
Units
Audio Interface Timing (Master mode)
Normal mode (TDM1=âLâ, TDM0=âLâ)
BICK Frequency
fBCK
64fs
Hz
BICK Duty
dBCK
50
%
BICK âââ to LRCK
tMBLR
â20
20
ns
BICK âââ to SDTO1/2
tBSD
â20
20
ns
TDM256 mode (TDM1=âLâ, TDM0=âHâ)
BICK Frequency
fBCK
256fs
Hz
BICK Duty
(Note 16) dBCK
50
%
BICK âââ to LRCK
tMBLR
â12
12
ns
BICK âââ to SDTO1
(Note 15) tBSD
â20
20
ns
TDM128 mode (TDM1=âHâ, TDM0=âHâ)
(8KHz ⤠fs < 108KHz)
BICK Frequency
fBCK
128fs
Hz
BICK Duty
dBCK
50
%
BICK âââ to LRCK
tMBLR
â12
12
ns
BICK âââ to SDTO1
(Note 15) tBSD
â20
20
ns
TDM128 mode (TDM1=âHâ, TDM0=âHâ)
(108KHz < fs ⤠216KHz)
BICK Frequency
fBCK
128fs
Hz
BICK Duty
dBCK
50
%
BICK âââ to LRCK
tMBLR
â6
6
ns
BICK âââ to SDTO1
tBSD
â10
10
ns
Power-Down & Reset Timing
PDN Pulse Width
(Note 17) tPD
150
ns
PDN âââ to SDTO1/2 valid
(Note 18) tPDV
516
1/fs
Note 14. BICK rising edge must not occur at the same time as LRCK edge.
Note 15. SDTO2 output is fixed to âLâ.
Note 16. This value is MCLK=512fs. Duty cycle is not guaranteed when MCLK=256fs/384fs.
Note 17. The AK5388 can be reset by bringing the PDN pin = âLâ.
Note 18. This cycle is the number of LRCK rising edges from the PDN pin = âHâ. The value is when the AK5388 is in
master mode. In case of in slave mode, the value will be 1LRCK clock cycle (1/fs) longer.
MS1096-E-01
- 12 -
2009/08
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