AK4357VQ Ver la hoja de datos (PDF) - Asahi Kasei Microdevices
Número de pieza
componentes Descripción
Fabricante
AK4357VQ Datasheet PDF : 27 Pages
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ASAHI KASEI
SWITCHING CHARACTERISTICS
(Ta = 25°C; AVDD, DVDD = 4.75 ∼ 5.25V; CL = 20pF)
Parameter
Symbol
min
Typ
Master Clock Frequency
Duty Cycle
fCLK
dCLK
2.048
40
11.2896
LRCK Frequency
Normal Speed Mode
fsn
8
Double Speed Mode
fsd
60
Quad Speed Mode
fsq
120
Duty Cycle
PCM Audio Interface Timing
BICK Period
Normal Speed Mode
Double/Quad Speed Mode
BICK Pulse Width Low
Pulse Width High
BICK “↑” to LRCK Edge
LRCK Edge to BICK “↑”
(Note 13)
(Note 13)
SDTI Hold Time
SDTI Setup Time
DSD Audio Interface Timing
DCLK Period
DCLK Pulse Width Low
Pulse Width High
DCLK Edge to DSDL/R (Note 14)
Control Interface Timing
CCLK Period
CCLK Pulse Width Low
Pulse Width High
CDTI Setup Time
CDTI Hold Time
CSN High Time
CSN “↓” to CCLK “↑”
CCLK “↑” to CSN “↑”
Reset Timing
PDN Pulse Width
(Note 15)
Duty
45
tBCK
tBCK
tBCKL
tBCKH
tBLR
tLRB
tSDH
tSDS
tDCK
tDCKL
tDCKH
tDDD
tCCK
tCCKL
tCCKH
tCDS
tCDH
tCSW
tCSS
tCSH
tPD
1/128fs
1/64fs
30
30
20
20
20
20
1/64fs
160
160
-20
200
80
80
40
40
150
50
50
150
Notes : 13. BICK rising edge must not occur at the same time as LRCK edge.
14. DSD data transmitting device must meet this time.
15. The AK4357 can be reset by bringing PDN= “L”.
[AK4357]
max
36.864
60
48
96
192
55
20
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
MS0088-E-02
- 7-
2002/07
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