AK5730VQ_17 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
tBCKH 128
-
-
ns
LRCK Edge to BICK “”
(Note 18)
tLRB
20
-
-
ns
BICK “” to LRCK Edge
(Note 18)
LRCK Edge to SDTO(MSB)(Except I²S mode)
tBLR
20
-
-
ns
tLRS
-
-
20
ns
BICK “” to SDTO
tBSD
-
-
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
16.3
-
-
ns
SDTO Hold time BICK “”
tBSH
16.3
-
-
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
dBCK
-
50
-
%
BICK “” to LRCK
tMBLR 20
-
20
ns
BICK “” to SDTO
tBSD
20
-
20
ns
TDM256 mode (TDM1/0 bit = “01”)
BICK Frequency
fBCK
-
256fs
-
Hz
BICK Duty
dBCK
-
50
-
%
BICK “” to LRCK
tMBLR -20
-
20
ns
SDTO Setup time BICK “”
tBSS
16.3
-
-
ns
SDTO Hold time BICK “”
tBSH
16.3
-
-
ns
TDMI Hold Time
tSDH
10
-
-
ns
TDMI Setup Time
tSDS
10
-
-
ns
Note 18. この規格値はLRCKのエッジとBICKの“”が重ならないように規定しています。
MS1577-J-03
- 12 -
2015/11