AK7601 데이터 시트보기 (PDF) - Asahi Kasei Microdevices
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AK7601 Datasheet PDF : 62 Pages
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[AK7601A]
SWITCHING CHARACTERISTICS
(Ta=-40+85C; AVDD=4.5~5.5V; DVDD=3.05.5V; CL=20pF; unless otherwise specified)
Parameter
Symbol
min
typ
max
Unit
Master Clock Timing
Crystal Resonator
Frequency
fXTAL
-
-
-
22.5792
-
MHz
MCKO Output
Frequency MCKO1-0 bit = “10”
MCKO1-0 bit = “01”
Duty cycle 512fs (Note 17)
256fs (Note 17)
fMCK
fMCK
dMCK
dMCK
-
22.5792
-
MHz
-
11.2896
-
MHz
40
50
60
%
45
50
55
%
External Clock
Frequency
Pulse Width Low
Pulse Width High
fCLK
tCLKL
tCLKH
22.35
18
18
22.5792 22.80
MHz
ns
ns
MCKO Output
Frequency 512fs
Duty cycle (Note 18)
fMCK
dMCK
22.35
40
22.5792
50
22.80
60
MHz
%
Input LRCK (ILRCK1-3)
Frequency
Duty Cycle
FSI
8
96
kHz
Duty
48
50
52
%
Output LRCK (OLRCK)
Frequency
Duty Cycle
FSO
Duty
-
44.1
-
kHz
50
%
Audio Interface Timing
OBICK Frequency
OBICK Duty
OBICK “” to OLRCK
OBICK “” to SDTO1~3
SDTI3-4 Hold Time
SDTI3-4 Setup Time
fBCK
-
64fs
-
Hz
dBCK
-
50
-
%
tMBLR
20
-
20
ns
tBSD
20
-
20
ns
tSDH
30
ns
tSDL
30
ns
Input PORT
IBICK1-3 Period
tBCK
1/64fs
ns
IBICK1-3 Pulse Width Low
tBCKL
65
ns
Pulse Width High
tBCKH
65
ns
ILRCK1-3 Edge to IBICK1-3 “” (Note 19)
tLRB
30
ns
IBICK1-3 “” to ILRCK1-3 Edge (Note 19)
tBLR
30
ns
SDTI1-3 Hold Time from IBICK1-3 “”
tSDH
30
ns
SDTI1-3 Setup Time to IBICK1-3 “”
tSDS
30
ns
Note 17. According to the crystal oscillator values in Table 2.
Note 18. In the case of MCKO1-0bits = “10” (22.5792MHz), these are the values when External Clock Duty is 50%.
Note 19. BICK rising edge must not occur at the same time as LRCK edge.
MS1446-E-01
- 11 -
2015/05
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