AK5730 Datasheet, PDF (11/50 Pages) Asahi Kasei Microsystems – 4-Channel Differential Audio ADC for Line & Mic Inputs

[AK5730]
SWITCHING CHARACTERISTICS
(Ta=-40∼+105°C; AVDD=DVDD=3.0∼3.6V; C_L=20pF; unless otherwise specified)
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
fsn
8
“H” time
tLRH
1/256fs
“L” time
tLRL
1/256fs
TDM512 mode
(Note 16)
(TDM1/0 bit = “10”)
LRCK frequency
fsn
8
“H” time
tLRH
1/512fs
“L” time
tLRL
1/512fs
LRCK Timing (Master Mode)
Stereo mode
(TDM1/0 bit = “00”)
Normal Speed Mode
fsn
8
Duty Cycle
Duty
-
TDM256 mode
(Note 16)
(TDM1/0 bit = “01”)
LRCK frequency
fsn
8
“H” time
(Note 17) tLRH
TDM512 mode
(Note 16)
(TDM1/0 bit = “10”)
LRCK frequency
fsn
8
“H” time
(Note 17) tLRH
Note 16. Master clock should be input the 256fs/512fs in Master mode.
Note 17. If the format is I²S, it is “L” time.
50
1/8fs
1/16fs
max
12.288
18.432
24.576
48
55
48
48
48
-
48
48
Unit
MHz
ns
ns
MHz
ns
ns
MHz
ns
ns
kHz
%
kHz
ns
ns
kHz
ns
ns
kHz
%
kHz
ns
kHz
ns
Rev 0.8
- 11 -
2013/06