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AK4950 Datasheet(PDF) 17 Page - Asahi Kasei Microsystems

Part # AK4950
Description  24bit Stereo CODEC with MIC/SPK/Cap-less VIDEO-AMP & mini DSP
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Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AK4950 Datasheet(HTML) 17 Page - Asahi Kasei Microsystems

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[AK4950]
MS1320-E-00
2011/10
- 17 -
Parameter
Symbol
min
typ
max
Unit
Digital Audio Interface Timing; CL=100pF
DMCLK Output Timing
Period
tSCK
-
1/(64fs)
-
ns
Rising Time
tSRise
-
-
10
ns
Falling Time
tSFall
-
-
10
ns
Duty Cycle
dSCK
40
50
60
%
Audio Interface Timing
DMDAT Setup Time
tSDS
50
-
-
ns
DMDAT Hold Time
tSDH
0
-
-
ns
Power-down & Reset Timing
PDN Pulse Width
(Note 31)
tPD
150
-
-
ns
PMADL or PMADR “
↑” to SDTO valid (Note 32)
ADRST bit = “0”
tPDV
-
1059
-
1/fs
ADRST bit = “1”
tPDV
-
267
-
1/fs
Note 31. The AK4950 can be reset by the PDN pin = “L”. When restart the AK4950 after powered-down, set the PDN pin
to “L” and change to “H” after a 10ms interval.
Note 32. This is the count of LRCK “↑” from the PMADL or PMADR bit = “1”.


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