AK4392 Datasheet, PDF (12/41 Pages) Asahi Kasei Microsystems – High Performance 120dB Premium 32-Bit DAC

SWITCHING CHARACTERISTICS
(Ta=25°C; AVDD=VDDL/R=4.75 ∼ 5.25V, DVDD=4.75 ∼ 5.25V)
Parameter
Symbol
min
typ
Master Clock Timing
Frequency
fCLK
7.7
Duty Cycle
dCLK
40
LRCK Frequency
1152fs, 512fs or 768fs
256fs or 384fs
128fs or 192fs
Duty Cycle
(Note 15)
fsn
30
fsd
54
fsq
108
Duty
45
PCM Audio Interface Timing
BICK Period
1152fs, 512fs or 768fs
tBCK 1/128fsn
256fs or 384fs
tBCK
1/64fsd
128fs or 192fs
tBCK
1/64fsq
BICK Pulse Width Low
tBCKL
30
BICK Pulse Width High
tBCKH
30
BICK “↑” to LRCK Edge
(Note 16) tBLR
20
LRCK Edge to BICK “↑”
(Note 16) tLRB
20
SDATA Hold Time
tSDH
20
SDATA Setup Time
tSDS
20
External Digital Filter Mode
BICK Period
BCK Pulse Width Low
BCK Pulse Width High
BCK “↑” to WCK Edge
WCK Edge to BCK “↑”
WCK Pulse Width Low
WCK Pulse Width High
DATA Hold Time
DATA Setup Time
tB
27
tBL
10
tBH
10
tBW
5
tWB
5
tWCK
54
tWCH
54
tDH
5
tDS
5
DSD Audio Interface Timing
DCLK Period
tDCK
1/64fs
DCLK Pulse Width Low
tDCKL
160
DCLK Pulse Width High
tDCKH
160
DCLK Edge to DSDL/R
(Note 17) tDDD
−20
Control Interface Timing
CCLK Period
tCCK
200
CCLK Pulse Width Low
tCCKL
80
Pulse Width High
tCCKH
80
CDTI Setup Time
tCDS
50
CDTI Hold Time
tCDH
50
CSN High Time
CSN “↓” to CCLK “↑”
CCLK “↑” to CSN “↑”
tCSW
150
tCSS
50
tCSH
50
Reset Timing
PDN Pulse Width
(Note 18) tPD
150
[AK4392]
max
41.472
60
54
108
216
55
Units
MHz
%
kHz
kHz
kHz
%
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
ns
ns
ns
ns
ns
ns
MS1045-E-02
- 12 -
2009/04