AK4682 Datasheet, PDF (9/43 Pages) Asahi Kasei Microsystems – Multi-channel CODEC with 2Vrms Stereo Selector

[AK4682]
DC CHARACTERISTICS
(Ta=-20°C ~+85°C; TVDD=2.7 ~ 5.25V; DVDD1, DVDD2, AVDD1, AVDD2=4.75 ~ 5.25V; PVDD=8.5∼12.6V)
Parameter
Symbol
min
typ
max
Units
High-Level Input Voltage
VIH
2.2
-
-
V
Low-Level Input Voltage
VIL
-
-
0.8
V
High-Level Output Voltage ( Iout=-400μA)
Low-Level Output Voltage
(Iout= -400μA(except SDA pin), 3mA(SDA pin))
Input Leakage Current
VOH
TVDD-0.4
-
VOL
-
Iin
-
-
-
V
0.4
V
±10
μA
SWITCHING CHARACTERISTICS
(Ta=-20°C ~+85°C; TVDD=2.7 ~ 5.25V; DVDD1, DVDD2, AVDD1, AVDD2=4.75 ~ 5.25V; PVDD=8.5∼12.6V; C_L=
20pF (except for SDA pin), Cb=400pF(SDA pin))
Parameter
Symbol
min
typ
max
Units
Master Clock Timing
Frequency
fECLK
8.192
36.864 MHz
Duty
dECLK
40
50
60
%
Master Clock (Note: 10)
256fsn, 128fsd:
fCLK
8.192
12.288 MHz
Pulse Width Low
tCLKL
27
ns
Pulse Width High
tCLKH
27
ns
384fsn, 192fsd:
fCLK
12.288
18.432 MHz
Pulse Width Low
tCLKL
20
ns
Pulse Width High
tCLKH
20
ns
512fsn, 256fsd, 128fsq:
fCLK
16.384
24.576 MHz
Pulse Width Low
tCLKL
15
ns
Pulse Width High
tCLKH
15
ns
768fsn, 384fsd, 192fsq:
fCLK
24.576
36.864 MHz
Pulse Width Low
tCLKL
10
ns
Pulse Width High
tCLKH
10
ns
LRCKA (LRCKB) Timing (Slave Mode)
Normal mode
Normal Speed Mode
fsn
32
48
kHz
Double Speed Mode
fsd
64
96
kHz
Quad Speed Mode
fsq
120
192
kHz
Duty Cycle
Duty
45
55
%
TDM 128 mode
LRCKA frequency
fs
32
96
kHz
“H” time
tLRH
1/128fs
ns
“L” time
tLRL
1/128fs
ns
LRCKB Timing (Master Mode)
Normal mode
LRCKB frequency
fs
32
48
kHz
Duty Cycle
Duty
50
%
Power-down & Reset Timing
PDN Pulse Width
(Note: 11)
tPD
150
ns
PDN “↑” to SDTOB valid (Note: 12)
tPDV
522
1/fs
Note: 10 MCLKB supports only the normal mode (256fsn, 384fsn, 512fsn, 768fsn).
Note: 11 The AK4682 can be reset by bringing the PDN pin = “L”.
Note: 12 These cycles are the number of LRCKB rising from PDN rising.
MS0610-E-01
-9-
2007/07