NJU8721
! TIMING CHARACTERISTICS
• Master Clock Input
MCK
tMCKH
tMCKL
PARAMETER
MCK Frequency
MCK Pulse Width (H)
MCK Pulse Width (L)
SYMBOL
fMCKI
tMCKH
tMCKL
(Ta=25°C, VDD=VDDL=VDDR=3.3V, unless otherwise noted)
CONDITIONS
MIN.
TYP.
MAX.
UNIT
256fS
7.28
-
27.648
MHz
12
-
-
ns
12
-
-
ns
Note 7) tMCKI shows the cycle of the MCK signal.
• Reset Input
tRST
RST
PARAMETER
Reset Low Level Width
SYMBOL
tRST
(Ta=25°C, VDD=VDDL=VDDR=3.3V, unless otherwise noted)
CONDITIONS
MIN.
TYP.
MAX.
UNIT
3
-
-
ms
• Digital Audio Signal Interface
BCK
LRCK
tBLR
tLRB
tDS
DIN
tBCLK
tBCKL
tBCKH
tDH
PARAMETER
Audio DAC Sampling Rate
DIN Setup Time
DIN Hold Time
BCK Period
BCK Pulse Width (H)
BCK Pulse Width (L)
LRCK Hold Time
LRCK Setup Time
SYMBOL
fS
tDS
tDH
tBCLK
tBCKH
tBCKL
tBLR
tLRB
(Ta=25°C, VDD=VDDL=VDDR=3.3V, unless otherwise noted)
CONDITIONS
MIN.
TYP.
MAX.
UNIT
28
-
100
KHz
20
-
-
ns
20
-
-
ns
1/(128fS)
-
20
-
-
ns
-
ns
20
-
-
ns
20
-
-
ns
20
-
-
ns
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