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AK4634 Datasheet, PDF (14/77 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP | |||
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[AK4634]
Parameter
Symbol
min
Control Interface Timing (3-wire Serial mode)
CCLK Period
CCLK Pulse Width Low
Pulse Width High
CDTI Setup Time
CDTI Hold Time
CSN âHâ Time
CSN âââ to CCLK âââ
CCLK âââ to CSN âââ
CCLK âââ to CDTI (at Read Command)
CSN âââ to CDTI (Hi-Z) (at Read Command)
Control Interface Timing (I2C Bus mode):
tCCK
200
tCCKL
80
tCCKH
80
tCDS
40
tCDH
40
tCSW
150
tCSS
50
tCSH
50
tDCD
-
tCCZ
-
SCL Clock Frequency
Bus Free Time Between Transmissions
fSCL
-
tBUF
1.3
Start Condition Hold Time (prior to first clock pulse) tHD:STA
0.6
Clock Low Time
tLOW
1.3
Clock High Time
tHIGH
0.6
Setup Time for Repeated Start Condition
tSU:STA
0.6
SDA Hold Time from SCL Falling (Note 26)
tHD:DAT
0
SDA Setup Time from SCL Rising
tSU:DAT
0.1
Rise Time of Both SDA and SCL Lines
tR
-
Fall Time of Both SDA and SCL Lines
tF
-
Setup Time for Stop Condition
tSU:STO
0.6
Capacitive Load on Bus
Cb
-
Pulse Width of Spike Noise Suppressed by Input Filter tSP
0
Reset Timing
PDN Pulse Width
(Note 25, Note 26, Note 27) tPD
150
PMADC âââ to SDTO valid (Note 28)
ADRST bit = â0â
tPDV
-
ADRST bit = â1â
tPDV
-
Note 25. I2C is a registered trademark of Philips Semiconductors.
Note 26. RL = 1kâ¦/10% change ( Pull-up to DVDD)
Note 27. The AK4634 can be reset by the PDN pin = âLâ
Note 28. This is the count of FCK âââ from the PMADC = â1â.
typ
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1059
291
max Units
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
70
ns
70
ns
400
kHz
-
μs
-
μs
-
μs
-
μs
-
μs
-
μs
-
μs
0.3
μs
0.3
μs
-
μs
400
pF
50
ns
-
ns
-
1/fs
-
1/fs
Rev. 0.5
- 14 -
2007/10
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