參數(shù)資料
型號(hào): AK4640
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16BIT CODEC WITH MIC /HP/SPK-AMPl
中文描述: 16位編解碼器麥克風(fēng)/惠普/胰腎聯(lián)合移植,AMPl
文件頁數(shù): 16/76頁
文件大?。?/td> 634K
代理商: AK4640
ASAHI KASEI
[AK4640]
MS0273-E-00
2004/03
- 16 -
Parameter
Control Interface Timing (4-wire Serial mode):
CCLK Period
CCLK Pulse Width Low
Pulse Width High
CDTI Setup Time
CDTI Hold Time
CSN “H” Time
CSN “
” to CCLK “
CCLK “
” to CSN “
CDTO Delay
CSN “
” to CDTO Hi-Z
Control Interface Timing (I
2
C Bus mode):
SCL Clock Frequency
Bus Free Time Between Transmissions
Start Condition Hold Time (prior to first clock pulse)
Clock Low Time
Clock High Time
Setup Time for Repeated Start Condition
SDA Hold Time from SCL Falling
SDA Setup Time from SCL Rising
Rise Time of Both SDA and SCL Lines
Fall Time of Both SDA and SCL Lines
Setup Time for Stop Condition
Pulse Width of Spike Noise Suppressed by Input Filter
Reset Timing
PDN Pulse Width
PMADC “
” to SDTO valid
Note 27. Data must be held long enough to bridge the 300ns-transition time of SCL.
Note 28. The AK4640 can be reset by the PDN pin = “L”.
Note 29. This is the count of LRCK “
” from the PMADC bit = “1”.
Purchase of Asahi Kasei Microsystems Co., Ltd I
2
C components conveys a license under the Philips
I
2
C patent to use the components in the I
2
C system, provided the system conform to the I
2
C
specifications defined by Philips.
Symbol
tCCK
tCCKL
tCCKH
tCDS
tCDH
tCSW
tCSS
tCSH
tDCD
tCCZ
fSCL
tBUF
tHD:STA
tLOW
tHIGH
tSU:STA
tHD:DAT
tSU:DAT
tR
tF
tSU:STO
tSP
min
200
80
80
40
40
150
50
50
-
-
-
4.7
4.0
4.7
4.0
4.7
0
0.25
-
-
4.0
0
150
-
typ
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2081
max
-
-
-
-
-
-
-
-
50
70
100
-
-
-
-
-
-
-
1.0
0.3
-
50
-
-
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
kHz
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
ns
ns
1/fs
(Note 27)
(Note 28)
(Note 29)
tPD
tPDV
相關(guān)PDF資料
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AK4640VG 16BIT CODEC WITH MIC /HP/SPK-AMPl
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AK4643EN Stereo CODEC with MIC/HP/RCV/SPK-AMP
AK4645EZ Stereo CODEC with MIC/HP-AMP
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