AK4618 Datasheet, PDF (14/60 Pages) Asahi Kasei Microsystems – 192kHz 24-bit 6ch/12ch Audio CODEC with Microphone Interface

[AK4618]
SWITCHING CHARACTERISTICS
(Ta=-40+105C; AVDD1, AVDD2= TVDD=3.0 3.6V; C_L=20pF; unless otherwise specified)
Parameter
Symbol
Min.
Typ.
Max.
Master Clock Timing
External Clock
256fsn:
Pulse Width Low
Pulse Width High
384fsn:
Pulse Width Low
Pulse Width High
512fsn:
Pulse Width Low
Pulse Width High
256fsd, 128fsq:
Pulse Width Low
Pulse Width High
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
2.048
32
32
3.072
22
22
4.096
16
16
16.384
16
16
12.288
18.432
24.576
24.576
LRCK Timing (Slave mode)
Stereo mode
(TDM1-0 bits = “00”)
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
Duty Cycle
fsn
8
48
fsd
64
96
fsq
128
192
Duty
45
55
TDM512 mode
(Note 12)
(TDM1-0 bits = “01”)
LRCK frequency
fsn
8
48
“H” time
tLRH
1/512fs
“L” time
tLRL
1/512fs
TDM256 mode
(Note 13)
(TDM1-0 bits = “10”)
LRCK frequency
fsn
8
48
fsd
64
96
“H” time
tLRH
1/256fs
“L” time
tLRL
1/256fs
TDM128 mode
(Note 14)
(TDM1-0 bits = “11”)
LRCK frequency
fsq
128
192
“H” time
tLRH
1/128fs
“L” time
tLRL
1/128fs
LRCK Timing (Master Mode)
Stereo mode
(TDM1-0 bits = “00”)
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
Duty Cycle
TDM512 mode
(TDM1-0 bits = “01”)
LRCK frequency
“H” time
TDM256 mode
(TDM1-0 bits = “10”)
LRCK frequency
“H” time
(Note 12)
(Note 15)
(Note 13)
(Note 15)
fsn
fsd
fsq
Duty
fsn
tLRH
fsn
fsd
tLRH
8
48
64
96
128
192
-
50
-
8
48
1/16fs
8
48
64
96
1/8fs
Unit
MHz
ns
ns
MHz
ns
ns
MHz
ns
ns
MHz
ns
ns
kHz
kHz
kHz
%
kHz
ns
ns
kHz
kHz
ns
ns
kHz
ns
ns
kHz
kHz
kHz
%
kHz
ns
kHz
kHz
ns
015000617-E-00
- 14 -
2015/01