AK4458 Datasheet, PDF (18/84 Pages) Asahi Kasei Microsystems – 115dB 768kHz 32-bit 8ch Premium DAC

[AK4458]
■ Switching Characteristics
(Ta=-40  105C; AVDD=3.0  5.5V, TVDD=1.7  3.6V, C_L=20pF)
Parameter
Symbol Min.
Typ.
Master Clock Timing
Frequency
Duty Cycle
Minimum Pulse Width
fCLK
dCLK
tCLKH
tCLKL
2.048
40
9.155
9.155
LRCK Frequency
(Note 24)
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 25)
LRCK Edge to BICK “” (Note 25)
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
Max.
49.152
60
54
108
216
55
54
108
216
54
108
54
Unit
MHz
%
ns
ns
kHz
kHz
kHz
kHz
kHz
%
kHz
kHz
kHz
nsec
ns
kHz
kHz
nsec
nsec
kHz
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
014011794-E-01
- 18 -
2015/08