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AK4421A Datasheet, PDF (7/19 Pages) Asahi Kasei Microsystems – 192kHz 24-Bit Stereo ΔΣ DAC with 2Vrms Output
[AK4421A]
SWITCHING CHARACTERISTICS
(Ta = 25°C; VDD=CVDD = +3.0 ∼ +3.6V)
Parameter
Symbol
min
typ
Master Clock Frequency
Duty Cycle
fCLK
dCLK
4.096
40
LRCK Frequency
Normal Speed Mode
fsn
8
Double Speed Mode
fsd
32
Quad Speed Mode
fsq
120
Duty Cycle
Duty
45
Audio Interface Timing
BICK Period
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
BICK Pulse Width Low
Pulse Width High
BICK “↑” to LRCK Edge (Note 15)
LRCK Edge to BICK “↑” (Note 15)
SDTI Hold Time
SDTI Setup Time
tBCK
tBCK
tBCK
tBCKL
tBCKH
tBLR
tLRB
tSDH
tSDS
1/128fsn
1/64fsd
1/64fsq
30
30
20
20
20
20
Note 15. BICK rising edge must not occur at the same time as LRCK edge.
max
36.864
60
48
96
192
55
Units
MHz
%
kHz
kHz
kHz
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
MS1086-E-01
-7-
2009/09