參數(shù)資料
型號(hào): AK4140
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: Digital BTSC Decoder
中文描述: 數(shù)字BTSC解碼器
文件頁(yè)數(shù): 6/43頁(yè)
文件大?。?/td> 538K
代理商: AK4140
ASAHI KASEI
[AK4140]
SWITCHING CHARACTERISTICS
(Ta=-20
85
°
C; AVDD=DVDD=2.7~3.6V; C
L
=20pF)
Parameter
Master Clock Timing
Master Clock 256fs:
Pulse Width Low
Pulse Width High
384fs:
Pulse Width Low
Pulse Width High
512fs:
Pulse Width Low
Pulse Width High
768fs:
Pulse Width Low
Pulse Width High
LRCK Timing (Slave Mode)
Normal mode (TDM1=“L”, TDM0=“L”)
LRCK Frequency
Duty Cycle
TDM256 MODE (TDM1=“L”, TDM0=“H”)
LRCK Frequency
“H” time
“L” time
TDM128 MODE (TDM1=“H”, TDM0=“H”)
LRCK Frequency
“H” time
“L” time
LRCK Timing (Master Mode)
Normal mode (TDM1=“L”, TDM0=“L”)
LRCK Frequency
Duty Cycle
TDM256 MODE (TDM1=“L”, TDM0=“H”)
LRCK Frequency
“H” time (Note 5)
TDM128 MODE (TDM1=“H”, TDM0=“H”)
LRCK Frequency
“H” time (Note 5)
Note 5. “L” time at I
2
S format.
Symbol
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fs
Duty
fs
tLRH
tLRL
fs
tLRH
tLRL
fs
Duty
fs
tLRH
fs
tLRH
min
8.192
27
27
12.288
20
20
16.384
16
16
24.576
11
11
32
45
32
1/256fs
1/256fs
32
1/128fs
1/128fs
32
32
32
typ
max
12.288
18.432
24.576
36.864
48
55
48
48
48
48
48
Units
MHz
ns
ns
MHz
ns
ns
MHz
ns
ns
MHz
ns
ns
kHz
%
kHz
ns
ns
kHz
ns
ns
kHz
%
kHz
ns
kHz
ns
50
1/8fs
1/4fs
MS0547-E-01
2007/03
- 6 -
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