AK4440 Datasheet, PDF (8/31 Pages) Asahi Kasei Microsystems – 192kHz 24-Bit 8ch DAC with 2Vrms Output

[AK4440]
SWITCHING CHARACTERISTICS
(Ta = 25°C; VDD=AVDD= +4.5 ∼ +5.5V; C_L = 20pF)
Parameter
Symbol
min
typ
Master Clock Frequency
Duty Cycle
fCLK
dCLK
2.048
40
LRCK Frequency
Normal Mode (TDM0= “0”, TDM1= “0”)
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
Duty Cycle
fsn
8
fsd
60
fsq
120
Duty
45
TDM256 mode (TDM0= “1”, TDM1= “0”)
Normal Speed Mode
High time
Low time
fsn
tLRH
tLRL
8
1/256fs
1/256fs
TDM128 mode (TDM0= “1”, TDM1= “1”)
Normal Speed Mode
Double Speed Mode
High time
Low time
fsn
fsd
tLRH
tLRL
8
60
1/128fs
1/128fs
Audio Interface Timing
BICK Period
BICK Pulse Width Low
Pulse Width High
BICK “↑” to LRCK Edge
LRCK Edge to BICK “↑”
SDTI Hold Time
SDTI Setup Time
(Note 15)
(Note 15)
tBCK
81
tBCKL
30
tBCKH
30
tBLR
20
tLRB
20
tSDH
10
tSDS
10
Control Interface Timing (3-wire Serial control mode):
CCLK Period
tCCK
200
CCLK Pulse Width Low
tCCKL
80
Pulse Width High
tCCKH
80
CDTI Setup Time
tCDS
40
CDTI Hold Time
tCDH
40
CSN High Time
tCSW
150
CSN “↓” to CCLK “↑”
tCSS
50
CCLK “↑” to CSN “↑”
tCSH
50
Control Interface Timing (I²C Bus mode):
SCL Clock Frequency
fSCL
-
Bus Free Time Between Transmissions
tBUF
1.3
Start Condition Hold Time (prior to first clock pulse) tHD:STA 0.6
Clock Low Time
tLOW
1.3
Clock High Time
tHIGH
0.6
Setup Time for Repeated Start Condition
tSU:STA 0.6
SDA Hold Time from SCL Falling (Note 16)
tHD:DAT
0
SDA Setup Time from SCL Rising
tSU:DAT 0.1
Rise Time of Both SDA and SCL Lines
tR
-
Fall Time of Both SDA and SCL Lines
tF
-
Setup Time for Stop Condition
tSU:STO 0.6
Pulse Width of Spike Noise Suppressed by Input Filter
tSP
0
Capacitive load on bus
Cb
-
Note 15. BICK rising edge must not occur at the same time as LRCK edge.
Note 16. Data must be held for sufficient time to bridge the 300 ns transition time of SCL.
Note 17. I²C-bus is a trademark of NXP B.V.
max
36.864
60
Units
MHz
%
48
kHz
96
kHz
192 kHz
55
%
48
kHz
ns
ns
48
kHz
96
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
400 kHz
-
μs
-
μs
-
μs
-
μs
-
μs
-
μs
-
μs
0.3
μs
0.3
μs
-
μs
50
ns
400
pF
MS1088-E-01
-8-
2011/03