AK4495EQ Datasheet, PDF (20/63 Pages) Asahi Kasei Microsystems – Quality-oriented Premium 32-Bit 2ch DAC

[AK4495S/95]
■ Switching Characteristics
(Ta=25C; AVDD=DVDD=3.0  3.6V, VREFHL/R= 4.75  7.2V)
Parameter
Symbol
Master Clock Timing
Frequency
fCLK
Duty Cycle
dCLK
LRCK Frequency
(Note 17)
1152fs, 512fs or 768fs
256fs or 384fs
128fs or 192fs
64fs
64fs
Duty Cycle
fsn
fsd
fsq
fsoc
fssd
Duty
PCM Audio Interface Timing
BICK Period
1152fs, 512fs or 768fs
tBCK
256fs or 384fs
tBCK
128fs or 192fs
tBCK
64fs
tBCK
64fs
tBCK
BICK Pulse Width Low
tBCKL
BICK Pulse Width High
tBCKH
BICK “” to LRCK Edge (Note 18)
tBLR
LRCK Edge to BICK “” (Note 18)
tLRB
SDATA Hold Time
tSDH
SDATA Setup Time
tSDS
External Digital Filter Mode
BICK Period
tB
BCK Pulse Width Low
tBL
BCK Pulse Width High
tBH
BCK “” to WCK Edge
tBW
WCK Edge to BCK “”
tWB
WCK Pulse Width Low
tWCK
WCK Pulse Width High
tWCH
DATA Hold Time
tDH
DATA Setup Time
tDS
DSD Audio Interface Timing (64 mode, fs=44.1kHz)
DCLK Period
tDCK
DCLK Pulse Width Low
tDCKL
DCLK Pulse Width High
tDCKH
DCLK Edge to DSDL/R (Note 19)
tDDD
DSD Audio Interface Timing (128 mode, fs=44.1kHz)
DCLK Period
tDCK
DCLK Pulse Width Low
tDCKL
DCLK Pulse Width High
tDCKH
DCLK Edge to DSDL/R (Note 19)
tDDD
min
7.7
40
30
54
108
45
1/128fsn
1/64fsd
1/64fsq
1/64fso
1/64fsh
10
10
5
5
5
5
27
10
10
5
5
54
54
5
5
160
160
20
80
80
10
typ
384
768
1/64fs
1/128fs
max Unit
49.152 MHz
60 %
54 kHz
108 kHz
216 kHz
kHz
kHz
55 %
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
20 ns
ns
ns
ns
10 ns
MS1560-E-02
- 20 -
2014/04