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AK4137EQ Datasheet, PDF (22/65 Pages) Asahi Kasei Microsystems – 32bit SRC with PCM/DSD conversion | |||
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[AK4137]
Parameter
Symbol Min. Typ. Max. Unit
Control Interface Timing
CCLK Period
CCLK Pulse Width High
CCLK Pulse Width Low
CDTI Setup Time
CDTI Hold Time
CSN High Time
CSN âââ to CCLK âââ
CCLK âââ to CSN âââ
tCCK
200
tCCKH
80
tCCKL
80
tCDS
50
tCDH
50
tCSW
150
tCSS
50
tCSH
50
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
CCLK âââ to CDTO
CSN âââ to CDTO âHi-Zâ
Control Interface Timing (I2C Bus):
tDCD
tCCZ
45
ns
70
ns
SCL Clock Frequency
fSCL
-
400 kHz
Bus Free Time Between Transmissions
tBUF
1.3
-
ïs
Start Condition Hold Time
(prior to first clock pulse)
tHD:STA
0.6
-
ïs
Clock Low Time
Clock High Time
Setup Time for Repeated Start Condition
tLOW
1.3
tHIGH
0.6
tSU:STA
0.6
-
ïs
-
ïs
-
ïs
SDA Hold Time from SCL Falling (Note 19)
SDA Setup Time from SCL Rising
Rise Time of Both SDA and SCL Lines
tHD:DAT
0
tSU:DAT
0.1
tR
-
-
ïs
-
ïs
0.3 ïs
Fall Time of Both SDA and SCL Lines
Setup Time for Stop Condition
tF
-
tSU:STO
0.6
0.3 ïs
-
ïs
Pulse Width of Spike Noise
tSP
0
50
ns
Suppressed by Input Filter
Capacitive load on bus
Cb
-
400 pF
Note 19. Data must be held for sufficient time to bridge the 300 ns transition time of SCL.
Rev. 0.2
- 22 -
2014/06
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