AK4620BVFP-E2 Datasheet, PDF (12/42 Pages) List of Unclassifed Manufacturers – 24-Bit 192kHz Audio CODEC with IPGA

ASAHI KASEI
[AK4620B]
DIGITAL CHARACTERISTICS
(Ta=25°C; VA=4.75 ∼ 5.25V; VD=3.0 ∼ 3.6V, VT=3.0 ∼ 5.25V)
Parameter
Symbol
min
High-Level Input Voltage
VIH
70%VD
Low-Level Input Voltage
VIL
-
High-Level Output Voltage (Iout=-100µA)
VOH
VD-0.5
Low-Level Output Voltage (Iout=100µA)
VOL
-
Input Leakage Current
Iin
-
typ
max
Units
-
VT
V
-
30%VD
V
-
-
V
-
0.5
V
-
±10
µA
SWITCHING CHARACTERISTICS
(Ta=25°C; VA=4.75 ∼ 5.25V; VD=3.0 ∼ 3.6V, VT=3.0 ∼ 5.25V; C_L=20pF)
Parameter
Symbol
min
typ
Master Clock Timing
Frequency
fCLK
8.192
Pulse Width Low
tCLKL 0.4/fCLK
Pulse Width High
tCLKH 0.4/fCLK
LRCK Frequency
(Note 22)
Normal Speed Mode (DFS0=“0”, DFS1=”0”)
fsn
32
Double Speed Mode (DFS0=“1”, DFS1=”0”)
fsd
54
Quad Speed Mode (DFS0=“0”, DFS1=”1”)
fsq
108
Duty Cycle
45
PCM Audio Interface Timing
BICK Period
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
BICK Pulse Width Low
Pulse Width High
LRCK Edge to BICK “↑”
(Note 23)
BICK “↑” to LRCK Edge
(Note 23)
LRCK to SDTO (MSB) (Except I²S mode)
BICK “↓” to SDTO
SDTI Hold Time
SDTI Setup Time
DSD Audio Interface Timing
DCLK Period
DCLK Pulse Width Low
Pulse Width High
DCLK Edge to DSDL/R
(Note 24)
tBCK
tBCK
tBCK
tBCKL
tBCKH
tLRB
tBLR
tLRS
tBSD
tSDH
tSDS
tDCK
tDCKL
tDCKH
tDDD
1/128fsn
1/64fsd
1/64fsq
33
33
20
20
20
20
1/64fs
160
160
-20
max
55.296
54
108
216
55
Units
MHz
ns
ns
kHz
kHz
kHz
%
ns
ns
ns
ns
ns
ns
ns
20
ns
20
ns
ns
ns
ns
ns
ns
20
ns
Note 22. When the normal/double/quad speed modes are switched, the AK4620B should be reset by PDN pin or RSTN
bit.
Note 23. BICK rising edge must not occur at the same time as LRCK edge.
Note 24. DSD data transmitting device must meet this time.
MS0401-E-00
- 12 -
2005/07