AK5730 Datasheet, PDF (12/50 Pages) Asahi Kasei Microsystems – 4-Channel Differential Audio ADC for Line & Mic Inputs

[AK5730]
Parameter
Symbol min
typ
max
Unit
Audio Interface Timing (Slave mode)
Stereo mode (TDM1/0 bit = “00”)
BICK Period
tBCK
320
ns
BICK Pulse Width Low
tBCKL 128
ns
Pulse Width High
LRCK Edge to BICK “↑”
(Note 18)
BICK “↑” to LRCK Edge
(Note 18)
LRCK Edge to SDTO(MSB)(Except I²S mode)
BICK “↓” to SDTO
tBCKH 128
tLRB
20
tBLR
20
tLRS
tBSD
ns
ns
ns
20
ns
20
ns
TDM256 mode (TDM1/0 bit = “01”)
BICK Period
tBCK
80
ns
BICK Pulse Width Low
tBCKL
32
ns
Pulse Width High
tBCKH 32
ns
LRCK Edge to BICK “↑”
(Note 18)
tLRB
20
ns
BICK “↑” to LRCK Edge
(Note 18)
tBLR
20
ns
SDTO Setup time BICK “↑”
tBSS
12
ns
SDTO Hold time BICK “↑”
tBSH
10
ns
TDMI Hold Time
tSDH
20
ns
TDMI Setup Time
tSDS
20
ns
TDM512 mode (TDM1/0 bit = “10”)
BICK Period
tBCK
40
ns
BICK Pulse Width Low
tBCKL
16
ns
Pulse Width High
tBCKH 16
ns
LRCK Edge to BICK “↑”
(Note 18)
tLRB
10
ns
BICK “↑” to LRCK Edge
(Note 18)
tBLR
10
ns
SDTO Setup time BICK “↑”
tBSS
6
ns
SDTO Hold time BICK “↑”
tBSH
5
ns
TDMI Hold Time
tSDH
10
ns
TDMI Setup Time
tSDS
10
ns
Audio Interface Timing (Master mode)
Stereo mode (TDM1/0 bit = “00”)
BICK Frequency
fBCK
-
64fs
-
Hz
BICK Duty
BICK “↓” to LRCK
BICK “↓” to SDTO
dBCK
-
50
-
%
tMBLR −20
-
20
ns
tBSD
−20
-
20
ns
TDM256 mode (TDM1/0 bit = “01”)
BICK Frequency
fBCK
-
256fs
-
Hz
BICK Duty
BICK “↓” to LRCK
SDTO Setup time BICK “↑”
dBCK
-
50
-
%
tMBLR -20
20
ns
tBSS
12
-
20
ns
SDTO Hold time BICK “↑”
tBSH
10
-
-
ns
TDMI Hold Time
tSDH
20
-
-
ns
TDMI Setup Time
tSDS
20
-
-
ns
TDM512 mode (TDM1/0 bit = “10”)
BICK Frequency
BICK Duty
BICK “↓” to LRCK
SDTO Setup time BICK “↑”
SDTO Hold time BICK “↑”
TDMI Hold Time
TDMI Setup Time
fBCK
-
dBCK
-
tMBLR -10
512fs
50
-
-
10
tBSS
6
tBSH
5
tSDH
10
tSDS
10
-
-
-
-
-
-
-
Hz
%
ns
ns
ns
ns
Note 18. BICK rising edge must not occur at the same time as LRCK edge.
Rev 0.8
- 12 -
2013/06