參數(shù)資料
型號(hào): AK4562VN
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: LOW POWER 20BIT CODEC WITH PGA
中文描述: 低功耗20位編解碼器美巡賽
文件頁數(shù): 9/29頁
文件大小: 167K
代理商: AK4562VN
ASAHI KASEI
[AK4562]
MS0031-E-00
2000/05
- 9 -
SWITCHING CHARACTERISTICS
(Ta=-20
70
°
C; VA, VD=2.2
3.0V, VT=1.8
3.0V; C
L
=20pF)
Parameter
Control Clock Frequency
Master Clock (MCLK)
256fs: Frequency
Pulse Width Low
Pulse Width High
384fs: Frequency
Pulse Width Low
Pulse Width High
Channel Clock (LRCK)
Frequency
Duty Cycle
Audio Interface Timing
BCLK Period
BCLK Pulse Width Low
Pulse Width High
BCLK “
” to LRCK
LRCK Edge to SDTO (MSB)
BCLK “
” to SDTO
SDTI Hold Time
SDTI Setup Time
Control Interface Timing (AKM)
CCLK Period
CCLK Pulse Width Low
Pulse Width High
CDATA Setup Time
CDATA Hold Time
CSN “H” Time
CSN “
” to CCLK “
CCLK “
” to CSN “
Control Interface Timing (SSB)
SCK Period
SCLK Pulse Width Low
Pulse Width High
SSI Setup Time
SSI Hold Time
Reset / Calibration Timing
PDN Pulse Width
PDN “
” to SDTO (Note 14)
Symbol
min
typ
max
Units
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fs
2.048
28
28
3.072
23
23
8
45
11.2896
16.9344
44.1
12.8
19.2
50
55
MHz
ns
ns
MHz
ns
ns
kHz
%
tBLK
tBLKL
tBLKH
tBLR
tDLR
tDSS
tSDH
tSDS
312.5
130
130
-tBLKH+50
50
50
tBLKL-50
80
80
ns
ns
ns
ns
ns
ns
ns
ns
tCCK
tCCKL
tCCKH
tCDS
tCDH
tCSW
tCSS
tCSH
200
80
80
50
50
150
50
50
ns
ns
ns
ns
ns
ns
ns
ns
tSCK
tSCKL
tSCKH
tSIS
tSIH
250
100
100
50
50
ns
ns
ns
ns
ns
tPW
tPWV
150
4128
ns
1/fs
Note : 14. These cycles are the numbers of LRCK rising from PDN pin rising.
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