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AK4436VN Datasheet, PDF (14/63 Pages) Asahi Kasei Microsystems – 108dB 768kHz 32bit 8-Channel Audio DAC | |||
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[AK4438]
11. Switching Characteristics
(Ta=-40 ï¾ 105ï°C; AVDD=3.0 ï¾ 3.6V, TVDD=1.7 ï¾ 3.6V; CL=20pF, unless otherwise specified.)
Parameter
Symbol
Min.
Typ.
Max.
Master Clock Timing
External Clock
256fsn:
Pulse Width Low
fCLK
tCLKL
2.048
32
12.288
Pulse Width High
384fsn:
Pulse Width Low
tCLKH
fCLK
tCLKL
32
3.072
22
18.432
Pulse Width High
tCLKH
22
512fsn, 256fsd, 128fsq, 64fso, 32fsh:
Pulse Width Low
Pulse Width High
fCLK
tCLKL
tCLKH
4.096
16
16
24.576
768fsn, 384fsd, 192fsq, 96fso, 48fsh: fCLK
6.144
36.864
Pulse Width Low
Pulse Width High
tCLKL
11
tCLKH
11
LRCK Timing (Slave mode)
Stereo mode
(TDM1-0 bits = â00â)
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
fsn
8
48
fsd
48
96
fsq
96
192
Oct speed mode
Hex speed mode
Duty Cycle
fso
384
fsh
768
Duty
45
55
TDM128 mode
(TDM1-0 bits = â01â)
LRCK frequency
fsn
8
48
fsd
48
96
âHâ time
âLâ time
fsq
96
192
tLRH
1/128fs
tLRL
1/128fs
TDM256 mode
(TDM1-0 bits = â10â)
LRCK frequency
âHâ time
âLâ time
fsn
8
48
fsd
48
96
tLRH
1/256fs
tLRL
1/256fs
TDM512 mode
(TDM1-0 bits = â11â)
LRCK frequency
fsn
8
48
âHâ time
âLâ time
tLRH
tLRL
1/512fs
1/512fs
Unit
MHz
ns
ns
MHz
ns
ns
MHz
ns
ns
MHz
ns
ns
kHz
kHz
kHz
kHz
kHz
%
kHz
kHz
kHz
ns
ns
kHz
kHz
ns
ns
kHz
ns
ns
016001925-E-00
- 14 -
2016/03
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