AK4452VN Datasheet, PDF (22/91 Pages) Asahi Kasei Microsystems – 115dB 768kHz 32-bit 2ch Premium DAC

■ Switching Characteristics
(Ta=-40  105C; AVDD=3.0  5.5V, TVDD=1.7  3.6V)
Parameter
Symbol min
typ
Master Clock Timing
Frequency
Duty Cycle
fCLK
dCLK
2.048
45
LRCK Frequency
(Note 26)
Normal Mode (TDM1-0 bits = “00”)
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
Oct speed mode
Hex speed mode
Duty Cycle
fsn
8
fsd
54
fsq
108
fso
384
fsh
768
Duty
45
TDM128 mode (TDM1-0 bits = “01”)
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
High time
Low time
fsn
fsd
fsq
tLRH
tLRL
8
54
108
1/128fs
1/128fs
TDM256 mode (TDM1-0 bits = “10”)
Normal Speed Mode High time
Double Speed Mode
High time
Low time
fsn
fsd
tLRH
tLRL
8
54
1/256fs
1/256fs
TDM512 mode (TDM1-0 bits = “11”)
Normal Speed Mode
High time
Low time
fsn
tLRH
tLRL
8
1/512fs
1/512fs
PCM Audio Interface Timing
Normal Mode (TDM1-0 bits = “00”)
BICK Period
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
Oct speed mode
Hex speed mode
BICK Pulse Width Low
BICK Pulse Width High
BICK “” to LRCK Edge (Note 27)
LRCK Edge to BICK “” (Note 27)
SDTI1/2/3/4 Hold Time
SDTI1/2/3/4 Setup Time
tBCK
tBCK
tBCK
tBCK
tBCK
tBCKL
tBCKH
tBLR
tLRB
tSDH
tSDS
1/256fsn
1/128fsd
1/64fsq
1/64fso
1/64fsh
9
9
5
5
5
5
[AK4452]
max
49.152
55
Unit
MHz
%
54
kHz
108
kHz
216
kHz
kHz
kHz
55
%
54
kHz
108
kHz
216
kHz
nsec
ns
54
kHz
108
kHz
nsec
nsec
54
kHz
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
Rev. 0.1
- 22 -
2014/04