AK5397 Datasheet, PDF (20/44 Pages) Asahi Kasei Microsystems – 32-Bit Stereo Premium ADC

[AK5397]
Parameter
Symbol Min.
Typ.
Max.
Unit
Audio Interface Timing (Master mode)
Normal mode (TDM1=“L”, TDM0=“L”)
BICK Frequency (8kHz  fs  192kHz)
fBCK
64fs
Hz
(192kHz < fs  384kHz) fBCK
32fs
Hz
BICK Duty
BICK “” to LRCK
BICK “” to SDTO1/2
dBCK
50
%
tMBLR
12
12
ns
tBSD
20
20
ns
Normal mode (TDM1=“L”, TDM0=“L”)
(384KHz < fs ≦ 768KHz)
Hz
BICK Frequency
fBCK
32fs
Hz
BICK Duty
BICK “” to LRCK
BICK “” to SDTO1/2
dBCK
50
%
tMBLR
6
6
ns
tBSD
10
10
ns
TDM256 mode (TDM1=“L”, TDM0=“H”)
BICK Frequency
fBCK
256fs
Hz
BICK Duty
(Note 18) dBCK
50
%
BICK “” to LRCK
BICK “” to SDTO1/2
tMBLR
12
tBSD
20
12
ns
20
ns
TDMIN1/2 Setup Time
tTDS
10
ns
TDMIN1/2 Hold Time
tTDH
10
ns
TDM128 mode (TDM1=“H”, TDM0=“H”)
(8kHz  fs  96kHz)
BICK Frequency
fBCK
128fs
Hz
BICK Duty
dBCK
50
%
BICK “” to LRCK
BICK “” to SDTO1/2
TDMIN1/2 Setup Time
tMBLR
12
tBSD
20
tTDS
10
12
ns
20
ns
ns
TDMIN1/2 Hold Time
tTDH
10
ns
TDM128 mode (TDM1=“H”, TDM0=“H”)
(96kHz < fs  192kHz)
BICK Frequency
fBCK
128fs
Hz
BICK Duty
BICK “” to LRCK
BICK “” to SDTO1/2
TDMIN1/2 Setup Time
dBCK
50
%
tMBLR
6
6
ns
tBSD
10
10
ns
tTDS
10
ns
TDMIN1/2 Hold Time
tTDH
10
ns
Reset timing
RSTN Pulse width
tRTW
150
ns
Note 17. BICK rising edge must not occur at the same time as LRCK edge.
Note 18. This value is MCLK=512fs. Duty cycle is not guaranteed when MCLK=256fs.
014011535-E-00
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2014/11