AK5730VQ_17 Datasheet, PDF (11/50 Pages) Asahi Kasei Microsystems – 4-Channel Differential Audio ADC for Line & Mic Inputs

[AK5730]
スイッチング特性
(Ta=-40+105C; AVDD=DVDD=3.03.6V; VSS1=VSS2 =0V; C_L=20pF)
Parameter
Symbol
min
typ
Master Clock Timing
External Clock
256fs:
fCLK
2.048
-
Pulse Width Low
tCLKL
32
-
Pulse Width High
tCLKH
32
-
384fs:
fCLK
3.072
-
Pulse Width Low
tCLKL
22
-
Pulse Width High
tCLKH
22
-
512fs:
fCLK
4.096
-
Pulse Width Low
tCLKL
16
-
Pulse Width High
tCLKH
16
-
LRCK Timing (Slave mode)
Stereo mode
(TDM1/0 bit = “00”)
frequency
fs
8
-
Duty Cycle
Duty
45
-
TDM256 mode
(Note 16)
(TDM1/0 bit = “01”)
LRCK frequency
fs
8
-
“H” time
tLRH
1/256fs
-
“L” time
tLRL
1/256fs
-
LRCK Timing (Master Mode)
Stereo mode
(TDM1/0 bit = “00”)
Normal Speed Mode
fs
8
-
Duty Cycle
Duty
-
50
TDM256 mode
(Note 16)
(TDM1/0 bit = “01”)
LRCK frequency
fs
8
-
“H” time
(Note 17) tLRH
-
1/8fs
Note 16. マスタモード時は256fs/512fsのマスタクロックを入力してください。
Note 17. I²Sフォーマット時は“L” timeです。
max
Unit
12.288
-
-
18.432
-
-
24.576
-
-
MHz
ns
ns
MHz
ns
ns
MHz
ns
ns
48
kHz
55
%
48
kHz
-
ns
-
ns
48
kHz
-
%
48
kHz
-
ns
MS1577-J-03
- 11 -
2015/11